OPENINGS: ECO CODES as used by ARENA chess software.

[This file can be found in the Arena downloaded zip file]

 

 

*Version=0.76

*Author=Paul Onstad and Ed Seid, e-mail: chinesebrother7@yahoo.com

{A00   Anderssen's opening}a2a3

{A00   Ware (Meadow Hay) opening}a2a4

{A00   Polish (Sokolsky/Orang-utan) opening}b2b4

{A00   Polish: Outflank variation}b2b4 c7c6

{A00/02   Polish: Outflank, wing defence}b2b4 c7c6 c1b2 a7a5 a2a3 a5b4 a3b4 a8a1 b2a1 d8b6 c2c3

{A00   Sokolsky: 1...d5}b2b4 d7d5 c1b2 c8f5

{A00   Sokolsky: ...e5 ...f6}b2b4 e7e5 c1b2 f7f6 e2e4 f8b4 f1c4 g8e7 d1h5+ g7g6 h5h4

{A00   Sokolsky: ...e5 ...Bxb4}b2b4 e7e5 c1b2 f8b4 b2e5 g8f6 c2c4 e8g8 e2e3

{A00   Sokolsky: ...Nf6 ...d5}b2b4 g8f6 c1b2 d7d5 e2e3 e7e6 b4b5 c7c5 g1f3 f8d6 c2c4 b8d7 f1e2 e8g8 e1g1

{A00   Sokolsky: ...Nf6 ...e6}b2b4 g8f6 c1b2 e7e6 b4b5 d7d5 e2e3

{A00   Saragossa opening}c2c3

{A00   Mieses opening}d2d3

{A00   Van't Kruijs opening}e2e3

{A00   Gedult's opening}f2f3

{A00   Benko's opening}g2g3

{A00   Trident opening}g2g3 c7c5

{A00   Benko's opening}g2g3 d7d5 f1g2 g8f6 b2b3

{A00   Benko (plus Reti, English)}g2g3 e7e5

{A00   Reti (KIA plus English)}g2g3 e7e5 f1g2

{A00   Reti: King's Indian attack (...e5)}g2g3 e7e5 f1g2 d7d5 d2d3 g8f6 g1f3 f8d6 e1g1 e8g8 b1c3 c7c6

{A00   Benko's opening: reversed Alekhine}g2g3 e7e5 g1f3

{A00   Symmetrical opening}g2g3 g7g6 f1g2 f8g7

{A00   Lasker simul special}g2g3 h7h5

{A00   Benko's opening}g2g3 g8f6

{A00   Grob's attack}g2g4

{A00   Grob: spike attack}g2g4 d7d5 f1g2 c7c6 g4g5

{A00   Clemenz (Mead's-Basman's-de Klerk's) opening}h2h3

{A00   Kadas (Desprez) opening}h2h4

{A00   Durkin's attack}b1a3

{A00   Dunst (Sleipner-Heinrichsen) opening}b1c3

{A00   Novosibirsk opening}b1c3 c7c5 d2d4 c5d4 d1d4 b8c6 d4h4

{A00   Dunst (Sleipner-Heinrichsen) opening}b1c3 e7e5

{A00   Amar (Paris) opening}g1h3

{A01   Nimzovich-Larsen attack}b2b3

{A01   Nimzovich-Larsen attack: English variation}b2b3 c7c5

{A01   Nimzovich-Larsen attack: classical variation}b2b3 d7d5

{A01   Nimzovich-Larsen attack: modern variation}b2b3 e7e5

{A01   Nimzovich-Larsen attack, 1...e5 main line}b2b3 e7e5 c1b2 b8c6 e2e3 g8f6 f1b5 d7d6

{A01/23   Nimzovich-Larsen attack, correspondence line}b2b3 e7e5 c1b2 b8c6 e2e3 d7d5 f1b5 f8d6 f2f4 f7f6

{A01   Nimzovich-Larsen attack: Dutch variation}b2b3 f7f5

{A01   Nimzovich-Larsen attack: Indian variation}b2b3 g8f6

{A01   Nimzovich-Larsen attack: Indian variation}b2b3 g8f6 c1b2 g7g6 e2e4 d7d6 g2g3 f8g7 f1g2

{A02   Bird's opening}f2f4

{A02   Bird's opening}f2f4 c7c5

{A02/02   Bird's opening (1...c5)}f2f4 c7c5 g1f3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d5 e1g1 g8f6

{A02   Bird's: From gambit, Lasker variation}f2f4 e7e5 f4e5 d7d6 e5d6 f8d6 g1f3 g7g5

{A02   Bird's opening: Swiss gambit}f2f4 f7f5 e2e4 f5e4 b1c3 g8f6 g2g4

{A02/03   Mortar attack (...c5)}f2f4 g7g6 g1f3 f8g7 g2g3 g8f6 f1g2 e8g8 e1g1 c7c5

{A02   Mortar attack}f2f4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2

{A03   Bird's opening}f2f4 d7d5

{A03   Bird's opening: 2...g6}f2f4 d7d5 g1f3 g7g6 g2g3 f8g7 f1g2 g8f6 e1g1 e8g8 d2d3 c7c5

{A03   Bird's opening: Lasker variation}f2f4 d7d5 g1f3 g8f6 e2e3 c7c5

{A03   Bird's opening: 3...e6}f2f4 d7d5 g1f3 g8f6 e2e3 e7e6 b2b3 c7c5 c1b2 f8e7

{A03/04   Bird's opening: 3...g6}f2f4 d7d5 g1f3 g8f6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8

{A04   Reti opening}g1f3

{A04   Reti (plus English symmetrical, KIA, KID, QGD, closed Sicilian) openings}g1f3 c7c5 g2g3

{A04   Reti (plus English, KIA, and closed Sicilians)}g1f3 c7c5 g2g3 g7g6

{A04   Reti (plus English symmetrical)}g1f3 c7c5 g2g3 b8c6

{A04/11   Reti: King's Indian attack, Neo-closed Sicilian}g1f3 c7c5 g2g3 b8c6 f1g2 g7g6 e1g1 f8g7 d2d3 d7d6 e2e4 e7e5 c2c3 g8e7 a2a3 e8g8 b2b4 b7b6 c1b2 h7h6 b1d2

{A04   Reti opening}g1f3 d7d6

{A04   Reti: Wade defence}g1f3 d7d6 e2e4 c8g4

{A04/16   Reti: King's Indian attack, Neo-closed Sicilian}g1f3 d7d6 e2e4 g8f6 d2d3 c7c5 g2g3 b8c6 f1g2 g7g6 e1g1 f8g7 c2c3 e8g8 b1d2 a8b8

{A04   Reti (plus English, Dutch, Queen's Indian, & Sicilian) openings}g1f3 e7e6

{A04   Reti (plus KIA, English, Dutch)}g1f3 e7e6 g2g3

{A04   Reti-Dutch}g1f3 f7f5

{A04   Reti: Lisitsin gambit deferred}g1f3 f7f5 d2d3 g8f6 e2e4

{A04   Reti: Pirc-Lisitsin gambit}g1f3 f7f5 e2e4

{A04   Reti-KID}g1f3 g7g6 c2c4 f8g7 b1c3 g8f6

{A04   Reti: King's Indian attack}g1f3 g7g6 g2g3 f8g7 f1g2 e7e5 e1g1 b8c6 e2e4 d7d6

{A04   Reti (plus English, Giuoco, Scotch, Ruy Lopez) openings}g1f3 b8c6

{A04/11   Neo-closed Sicilian: King's Indian attack}e2e4 c7c5 g1f3 d7d6 d2d3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1 e7e5 c2c3 g8e7

{A04/16   Reti: King's Indian attack, Neo-closed Sicilian}e2e4 c7c5 g1f3 d7d6 g2g3 g8f6 d2d3 g7g6 f1g2 f8g7 e1g1 b8c6 c2c3 e8g8 f1e1 c8d7 b1d2

{A04/11   Neo-closed Sicilian: King's Indian attack}e2e4 c7c5 g1f3 e7e6 d2d3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1 g8e7 c2c3 e8g8 d3d4 c5d4 c3d4 d7d5 e4e5

{A04/11   Neo-closed Sicilian: King's Indian attack}e2e4 c7c5 g1f3 b8c6 d2d3 e7e6 g2g3 g7g6 f1g2 f8g7 e1g1 g8e7

{A04   Neo-closed Sicilian: King's Indian attack}e2e4 c7c5 g1f3 b8c6 d2d3 g7g6 g2g3 f8g7 f1g2 d7d6 e1g1 g8f6

{A05   Reti opening}g1f3 g8f6

{A05   Reti: Nimzovich-Larsen attack}g1f3 g8f6 b2b3

{A05   Reti: King's Indian attack, Spassky's variation}g1f3 g8f6 g2g3 b7b5

{A05/03   Reti: King's Indian attack, Eliskases variation (2...b6)}g1f3 g8f6 g2g3 b7b6 f1g2 c8b7 e1g1 e7e6 d2d3 f8e7 b1d2 d7d5 e2e4 c7c5 f1e1 b8c6 c2c3 e8g8 d1e2

{A05   Reti: English symmetrical, three knights system}g1f3 g8f6 g2g3 c7c5 f1g2 b8c6 c2c4

{A05   Reti: King's Indian attack}g1f3 g8f6 g2g3 g7g6

{A05   Reti: King's Indian attack, Reti-Smyslov variation}g1f3 g8f6 g2g3 g7g6 b2b4

{A05   Reti: King's Indian attack, Reti-Smyslov variation}g1f3 g8f6 g2g3 g7g6 b2b4 f8g7 c1b2 e8g8 f1g2

{A05/07   Reti: King's Indian attack, Neo-closed Sicilian}g1f3 g8f6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8 d2d3 c7c5 e2e4 d7d6 b1d2

{A05/07   Reti: King's Indian attack, Neo-closed Sicilian}g1f3 g8f6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8 d2d3 d7d6 e2e4 c7c5

{A06   Reti opening}g1f3 d7d5

{A06/02   Reti: Nimzovich-Larsen attack (...Bg4)}g1f3 d7d5 b2b3 c8g4 c1b2 b8d7 e2e3 e7e5

{A06/15   Reti: Nimzovich-Larsen attack (...Bg4)}g1f3 d7d5 b2b3 c8g4 c1b2 g8f6 e2e3 b8d7 f1e2 e7e6 e1g1 f8d6

{A06/11   Reti: Nimzovich-Larsen attack}g1f3 d7d5 b2b3 g8f6 c1b2 e7e6 c2c4 c7c5 e2e3 b8c6

{A06/13   Reti: Nimzovich-Larsen attack}g1f3 d7d5 b2b3 g8f6 c1b2 e7e6 e2e3 f8d6 f1e2 b8d7 d2d4 e8g8 e1g1

{A06   Santasiere's folly}g1f3 d7d5 b2b4

{A06   Reti: old Indian attack}g1f3 d7d5 d2d3

{A06/06   Reti: Nimzovich-Larsen attack (...Bd7)}g1f3 c7c5 b2b3 g8f6 c1b2 d7d5 e2e3 b8c6 f1b5 c8d7 e1g1

{A06/06   Nimzovich-Larsen attack}b2b3 d7d5 c1b2 c7c5 e2e3 b8c6 g1f3 g8f6

{A06/02   Nimzovich-Larsen attack (...Bg4)}b2b3 d7d5 c1b2 c8g4 g1f3 b8d7 e2e3 g8f6

{A06   Nimzovich-Larsen attack}b2b3 d7d5 c1b2 g8f6 e2e3 c7c5 g1f3

{A07   Reti: King's Indian attack (Barcza system)}g1f3 d7d5 g2g3

{A07/14   Reti: King's Indian attack, Yugoslav variation}g1f3 d7d5 g2g3 c7c6 b2b3 c8g4 f1g2 b8d7 c1b2 g8f6 e1g1 e7e6 d2d3 f8d6 b1d2 e8g8 c2c4 f8e8 d1c2

{A07/09   Reti: King's Indian attack, Yugoslav variation}g1f3 d7d5 g2g3 c7c6 f1g2 c8g4 e1g1 b8d7

{A07   Reti: King's Indian attack, Yugoslav variation}g1f3 d7d5 g2g3 c7c6 f1g2 c8g4 e1g1 b8d7 d2d3 g8f6 b1d2 e7e5

{A07   Reti: King's Indian attack, Pachman system}g1f3 d7d5 g2g3 g7g6 f1g2 f8g7 e1g1 e7e5 d2d3 g8e7

{A07   Reti: King's Indian attack, Keres variation}g1f3 d7d5 g2g3 c8g4 f1g2 b8d7

{A07   Reti: King's Indian attack (...Nc6)}g1f3 d7d5 g2g3 b8c6 f1g2 e7e5 d2d3 g8f6

{A07   Reti: King's Indian attack}g1f3 d7d5 g2g3 g8f6 f1g2

{A07   Reti: King's Indian attack, herringbone variation}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 b2b3 c8f5 c1b2 e7e6

{A07   Reti: King's Indian attack, Yugoslav variation}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 e1g1 c8g4

{A07   Reti: King's Indian attack, Yugoslav variation, main line}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 e1g1 c8g4 d2d3 b8d7

{A07/34   Reti: King's Indian attack, Yugoslav variation, main line}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 e1g1 c8g4 d2d3 b8d7 b1d2 e7e5 e2e4

{A07/05   Reti: King's Indian attack (...Bf5)}g1f3 d7d5 g2g3 g8f6 f1g2 c8f5

{A07/13   Reti: King's Indian & Nimzovich-Larsen attack}g1f3 d7d5 g2g3 g8f6 f1g2 c8f5 e1g1 e7e6 d2d3 h7h6 b1d2 f8e7 b2b3 e8g8 c1b2 c7c5 c2c4 b8c6

{A07/13   Reti: Nimzovich-Larsen attack (...Bf5)}g1f3 d7d5 b2b3 g8f6 c1b2 c8f5 g2g3 e7e6 f1g2 h7h6 e1g1 f8e7 d2d3 e8g8 b1d2 f5h7

{A07/07   Reti: KIA, Neo-Gruenfeld}g1f3 g8f6 g2g3 d7d5 f1g2 g7g6

{A07/04   Reti: King's Indian attack, Yugoslav variation}g2g3 d7d5 f1g2 c7c6 g1f3 c8g4 d2d3 b8d7 b1d2 e7e6 e1g1 f8d6 b2b3

{A07   Reti: King's Indian attack, Yugoslav variation}g2g3 d7d5 f1g2 g8f6 g1f3 c7c6 d2d3 c8g4

{A07   Reti: King's Indian attack, Petrosian variation}g2g3 d7d5 f1g2 g8f6 g1f3 c7c6 e1g1 c8f5 d2d3 e7e6 b1d2

{A07/34   Reti: King's Indian attack, Yugoslav variation, main line}g2g3 d7d5 g1f3 c7c6 f1g2 g8f6 e1g1 c8g4 d2d3 b8d7 b1d2 e7e5 e2e4

{A07/02   Reti: King's Indian attack (...e5)}g2g3 e7e5 f1g2 d7d5 d2d3 b8c6 g1f3 c8g4

{A07   Reti: King's Indian attack (...Nc6)}g2g3 e7e5 f1g2 d7d5 d2d3 g8f6 g1f3 b8c6 e1g1 f8e7

{A08   Reti: King's Indian attack (with...c5)}g1f3 d7d5 g2g3 c7c5

{A08   Reti: King's Indian attack}g1f3 d7d5 g2g3 c7c5 f1g2

{A08/02   Reti: King's Indian attack}g1f3 d7d5 g2g3 c7c5 f1g2 g7g6 e1g1 f8g7 d2d3 b8c6 b1d2 g8f6 e2e4 e8g8 c2c3 d5e4 d3e4

{A08/04   Reti: King's Indian attack}g1f3 d7d5 g2g3 c7c5 f1g2 g7g6 e1g1 f8g7 d2d3 b8c6 b1d2 g8f6 e2e4 e8g8 f1e1 e7e5 e4d5 f6d5

{A08/03   Reti: King's Indian attack}g1f3 d7d5 g2g3 c7c5 f1g2 g7g6 e1g1 f8g7 d2d3 b8c6 b1d2 g8f6 e2e4 e8g8 f1e1 d8c7 c2c3 d5e4 d3e4 f8d8 d1c2 f6g4

{A08/01   Reti: King's Indian attack (5...Nf6)}g1f3 d7d5 g2g3 c7c5 f1g2 g7g6 e1g1 f8g7 d2d3 g8f6 b1c3 b8c6 a2a3 e8g8 a1b1

{A08   Reti: KIA (plus Queen's pawn, Catalan, QGD, English)}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6

{A08/06   Reti: King's Indian attack (4...e5)}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 e7e5 d2d3 g8f6 c1g5 f8e7 f3d2 c8e6

{A08/07   Reti: King's Indian attack (4...e5)}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 e7e5 d2d3 g8f6 b1d2 f8e7 e2e4 e8g8 c2c3 d5d4 d2c4 d8c7 c3d4 c5d4 d1c2 f6e8

{A08/05   Reti: King's Indian attack (4...e6)}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 e7e6 d2d3 f8d6

{A08/05   Reti: King's Indian attack}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 e7e6 d2d3 g8f6 b1d2 f8e7

{A08/05   Reti: King's Indian attack (...Nf6)}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 g8f6 d2d3 c8g4 b1d2 e7e6

{A08/05   Reti: King's Indian attack (...Nf6)}g1f3 d7d5 g2g3 c7c5 f1g2 g8f6 e1g1 b8c6 d2d3

{A08/04   Reti: King's Indian attack}g1f3 d7d5 g2g3 g8f6 f1g2 g7g6 e1g1 f8g7 d2d3 e8g8 b1d2 c7c5 e2e4 b8c6 c2c3 e7e5 e4d5 f6d5 f1e1

{A08/05   Neo-Sicilian: King's Indian attack, phantom line}e2e4 c7c5 g1f3 e7e6 d2d3 d7d5 b1d2 b8c6 d1e2 c6b4 e2d1 b4c6 g2g3 g7g6 f1g2 f8g7 e1g1 g8e7 f1e1 b7b6

{A08   Neo-Sicilian: King's Indian attack}e2e4 c7c5 g1f3 e7e6 d2d3 b8c6 g2g3 d7d5 b1d2 f8d6 f1g2 g8e7 e1g1 e8g8 f1e1 d8c7 c2c3 c8d7 d1e2 f7f6

{A08/05   Neo-Sicilian: King's Indian attack, French variation}e2e4 c7c5 g1f3 e7e6 d2d3 b8c6 g2g3 d7d5 b1d2 g8f6 f1g2 f8e7 e1g1 e8g8 f1e1 b7b5 e4e5

{A08/05   French: King's Indian attack}e2e4 e7e6 d2d3 d7d5 b1d2 c7c5 g1f3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1 g8e7 f1e1 b7b6

{A08/05   French: King's Indian attack, reciprocated}e2e4 e7e6 d2d3 d7d5 b1d2 g8f6 g1f3 c7c5 g2g3 b8c6 f1g2 f8e7 e1g1 e8g8 f1e1 b7b5 e4e5 f6d7 d2f1 a7a5 h2h4 b5b4 c1f4 c8a6

{A08/04   Reti: King's Indian attack}g2g3 d7d5 f1g2 g8f6 g1f3 g7g6 e1g1 f8g7 d2d3 e8g8 b1c3 c7c5

{A09   Reti opening}g1f3 d7d5 c2c4

{A09   Reti: advance variation}g1f3 d7d5 c2c4 d5d4

{A09   Reti accepted}g1f3 d7d5 c2c4 d5c4

{A09   Reti accepted: Keres variation}g1f3 d7d5 c2c4 d5c4 e2e3 c8e6

{A10   English opening}c2c4

{A10   English opening: 3.e4}c2c4 b7b6 b1c3 e7e6 e2e4 c8b7 g2g3 f7f5 f1g2 g8f6

{A10   English: ...b6}c2c4 b7b6 b1c3 c8b7 e2e4 e7e6 g1f3 f8b4 f1d3 g8e7 e1g1 e8g8 d3c2 f7f5

{A10/11   English: Anglo-Dutch defence}c2c4 f7f5 g2g3 e7e6 g1f3 g8f6 f1g2 f8e7 e1g1 e8g8

{A10   English: Anglo-Dutch defence}c2c4 f7f5 g2g3 e7e6 g1f3 g8f6 f1g2 f8e7 e1g1 e8g8 b1c3 d7d5

{A10   English: Anglo-Dutch defence}c2c4 f7f5 g2g3 g8f6 f1g2 g7g6 b1c3

{A10/08   English: Anglo-Dutch defence}c2c4 f7f5 b1c3 g8f6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 e2e4 b8c6 g1e2

{A10   English: Anglo-Dutch defence}c2c4 f7f5 g1f3 g8f6 g2g3 e7e6

{A10   English: Anglo-Dutch defence}c2c4 f7f5 g1f3 g8f6 b1c3 e7e6 g2g3 f8e7 f1g2 e8g8 e1g1 d7d5

{A10   English opening}c2c4 g7g6

{A10   English: Adorjan defence}c2c4 g7g6 e2e4 e7e5

{A10   English opening}c2c4 g7g6 b1c3 f8g7 g2g3

{A10   English: Anglo-Dutch defence}g1f3 f7f5 g2g3 g8f6 f1g2 e7e6 e1g1 f8e7 c2c4 e8g8

{A11   English: Caro-Kann defensive system}c2c4 c7c6

{A11   English: Caro-Kann defensive system}c2c4 c7c6 g1f3 d7d5 e2e3

{A11   English (plus Gruenfeld, QGD, Slav)}c2c4 c7c6 g1f3 d7d5 e2e3 g8f6

{A11   English (plus Gruenfeld & QGD)}c2c4 c7c6 g1f3 d7d5 e2e3 g8f6 b1c3

{A11/05   English: Caro-Kann/KIA Yugoslav}c2c4 c7c6 g1f3 d7d5 g2g3 c8g4 f1g2 e7e6 c4d5 e6d5 e1g1 b8d7

{A11   English: Caro-Kann defensive system}c2c4 c7c6 g1f3 d7d5 d1c2

{A11   English: Caro-Kann defensive system}c2c4 g8f6 g1f3 g7g6 b2b3 f8g7 c1b2 e8g8 g2g3 c7c6 f1g2 d7d5

{A11/05   English: Caro-Kann/KIA Yugoslav}g1f3 d7d5 g2g3 c7c6 f1g2 c8g4 c2c4 e7e6 c4d5 e6d5 e1g1 b8d7 d2d3 g8f6

{A11/05   English: Caro-Kann/KIA Yugoslav}g1f3 d7d5 g2g3 c8g4 f1g2 b8d7 c2c4 e7e6 c4d5 e6d5 e1g1 c7c6

{A11   English: Caro-Kann defensive system}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 c2c4

{A11/14   Reti: King's Indian attack (4.c4 Bf5)}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 c2c4 c8f5 c4d5 c6d5 d1b3 d8b6 b3b6 a7b6 b1c3

{A11   Reti: King's Indian attack, Yugoslav variation}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 e1g1 c8g4 c2c4

{A11   Reti: King's Indian attack, Yugoslav variation (c4)}g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 e1g1 c8g4 d2d3 b8d7 c2c4

{A11   Reti: King's Indian attack (3...Bg4 4.c4)}g1f3 d7d5 g2g3 g8f6 f1g2 c8g4 c2c4 c7c6

{A12   English: Caro-Kann defensive system}c2c4 c7c6 g1f3 d7d5 b2b3

{A12   English: Caro-Kann defensive system, Bogolyubov variation}c2c4 c7c6 g1f3 d7d5 b2b3 c8g4

{A12/03   English: Caro-Kann defensive system}c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 g2g3 g7g6

{A12   English: London defensive system}c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 g2g3 c8f5

{A12/18   English: Caro-Kann defensive system ...Bg4}c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 g2g3 c8g4 f1g2 e7e6 c1b2 b8d7 e1g1 f8d6 d2d3 e8g8 b1d2 d8e7 a2a3 a7a5 d1c2 e6e5 e2e4

{A12   English: Caro-Kann defensive system}c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2

{A12   English: New York (London) defensive system}c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 c8f5

{A12   English: Capablanca's variation}c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 c8g4

{A12   English: New York (London) defensive system}c2c4 g8f6 g2g3 c7c6 g1f3 d7d5 f1g2 c8f5 b2b3 e7e6 c1b2 f8e7 e1g1 e8g8 d2d3 h7h6 d1c2 a7a5

{A13   English opening}c2c4 e7e6

{A13   English: Kurajica exchange}c2c4 e7e6 g2g3 d7d5 f1g2 c7c6 d1c2 d5c4

{A13   English: Neo-Catalan open}c2c4 e7e6 g2g3 d7d5 f1g2 g8f6 g1f3 d5c4 d1a4+ b8d7 a4c4 c7c5

{A13   English (plus QGD)}c2c4 e7e6 b1c3

{A13   English opening: Agincourt variation}c2c4 e7e6 g1f3 d7d5

{A13/09   English: Nimzovich-Larsen attack}c2c4 e7e6 g1f3 d7d5 b2b3 c7c5 c1b2 b8c6 e2e3 d5d4 e3d4 c5d4 g2g3 e6e5 f1g2 g8f6

{A13   English: Wimpey system}c2c4 e7e6 g1f3 d7d5 b2b3 g8f6 c1b2 c7c5 e2e3

{A13/11   English: Nimzovich-Larsen attack}c2c4 e7e6 g1f3 d7d5 b2b3 g8f6 c1b2 c7c5 e2e3 b8c6 c4d5 e6d5 f1e2 f8d6 e1g1 e8g8 d2d3

{A13   English opening: Agincourt variation}c2c4 e7e6 g1f3 d7d5 g2g3

{A13   English: Kurajica defence}c2c4 e7e6 g1f3 d7d5 g2g3 c7c6

{A13   English: Neo-Catalan}c2c4 e7e6 g1f3 d7d5 g2g3 g8f6

{A13/17   English: Neo-Catalan}c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 b2b3

{A13   English: Neo-Catalan open}c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 d5c4 d1a4+ b8d7

{A13   English: (incl. Catalan, QGD, & Queen's Indian)}c2c4 e7e6 g1f3 g8f6 g2g3

{A13   English: Romanishin gambit}c2c4 e7e6 g1f3 g8f6 g2g3 a7a6 f1g2 b7b5

{A13   English: Neo-Tarrasch}c2c4 g8f6 g1f3 e7e6 g2g3 c7c5 f1g2 d7d5 e1g1 b8c6

{A13/11   Reti: Nimzovich-Larsen attack}g1f3 d7d5 b2b3 c7c5 e2e3 g8f6 c1b2 e7e6 c2c4 b8c6 c4d5 e6d5 f1b5

{A13   Reti: Queen's Indian formation}g1f3 g8f6 c2c4 e7e6 g2g3 b7b6 f1g2 c8b7 e1g1 f8e7

{A14   English: Neo-Catalan declined}c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 f8e7 e1g1

{A14   English: symmetrical, Keres defence}c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 f8e7 e1g1 c7c5 c4d5 f6d5 b1c3 b8c6

{A14   English: Neo-Catalan, with b3}c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 b2b3 f8e7 f1g2 e8g8 e1g1 c7c5 c1b2 b8c6 e2e3 d5d4 e3d4 c5d4 f1e1 f6e8 d2d3 f7f6 b2a3 e6e5

{A14   English: symmetrical, hedgehog (g3...e6, b3)}c2c4 e7e6 g1f3 d7d5 b2b3 g8f6 g2g3 c7c5 f1g2 f8e7 e1g1 e8g8 c1b2 b7b6 e2e3 c8b7 b1c3

{A14/01   Reti: Neo-Catalan declined}g1f3 e7e6 g2g3 d7d5 f1g2 g8f6 e1g1 f8e7 c2c4

{A14/11   English: symmetrical, hedgehog}g1f3 g8f6 c2c4 c7c5 g2g3 b7b6 f1g2 c8b7 b2b3 e7e6 e1g1 f8e7 c1b2 e8g8 b1c3 d7d5 e2e3

{A15   English: 1...Nf6 (Anglo-Indian defence)}c2c4 g8f6

{A15/01   English: Neo-Catalan}c2c4 g8f6 g2g3 e7e6 f1g2 d7d5

{A15   English opening}c2c4 g8f6 g1f3

{A15   English opening}c2c4 g8f6 g1f3 g7g6 b2b3 f8g7 c1b2 e8g8 g2g3

{A15   Reti: Old Indian}g1f3 g8f6 c2c4 d7d6

{A15   Reti: Bremen}g1f3 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2

{A15/02   Reti: Bremen variation}g1f3 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 d7d6 b1c3

{A16   English opening}c2c4 g8f6 b1c3

{A16   English: Anglo-Gruenfeld, Czech defence}c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 g7g6 f1g2 d5b6

{A16   English: Anglo-Gruenfeld, Smyslov defence}c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 g7g6 f1g2 d5c3

{A16/17   English: Anglo-Gruenfeld, Smyslov defence main line}c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 g7g6 f1g2 d5c3 b2c3 f8g7 a1b1 b8d7 g1f3 e8g8

{A16   English: Anglo-Gruenfeld defence}c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g1f3 g7g6 e2e3

{A16   English: Anglo-Gruenfeld defence, Korchnoi variation}c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g1f3 g7g6 g2g3 f8g7 f1g2 e7e5

{A16/24   English: Anglo-Gruenfeld defence}c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 b8c6 d1a4 d5b6

{A16   English (plus Caro-Kann, Nimzo-Indian)}c2c4 g8f6 b1c3 c7c6 e2e4

{A16   English (plus King's Indian, Benoni)}c2c4 g8f6 b1c3 g7g6 e2e4 d7d6 d2d4

{A16   English opening}c2c4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 d2d3 d7d6

{A16/13   English: Anglo-Gruenfeld defence}c2c4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 g1f3 d7d5 c4d5 f6d5 e1g1

{A16/13   English: Anglo-Gruenfeld defence}c2c4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 g1f3 d7d5 c4d5 f6d5 e1g1 d5b6 d2d3 b8c6

{A16/07   English: (Gruenfeld, King's Indian)}c2c4 g8f6 g1f3 g7g6 b1c3

{A16   English: Anglo-Gruenfeld defence, 3...d5}c2c4 g8f6 g1f3 g7g6 b1c3 d7d5 c4d5 f6d5 d1a4+ c8d7 a4h4 d5c3 d2c3 b8c6 e2e4 e7e5 c1g5 f8e7 f1c4 h7h6 g5e7

{A16   English opening}c2c4 g7g6 g2g3 f8g7 f1g2 g8f6 b1c3 e8g8 e2e4 d7d6 g1e2

{A16/24   English: Anglo-Gruenfeld defence}c2c4 g7g6 g1f3 f8g7 g2g3 g8f6 f1g2 e8g8 b1c3 d7d5 c4d5 f6d5 e1g1

{A16/02   English: Bremen variation}g1f3 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 d7d6 b1c3

{A17   English opening}c2c4 g8f6 b1c3 e7e6

{A17   English: Queens Indian formation}c2c4 g8f6 b1c3 e7e6 g1f3 b7b6

{A17   English: Queens Indian, Romanishin variation}c2c4 g8f6 b1c3 e7e6 g1f3 b7b6 e2e4 c8b7 f1d3

{A17/02   English: Queens Indian formation (postponed d4)}c2c4 g8f6 b1c3 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 f1e1

{A17   English: Nimzo-English opening}c2c4 g8f6 b1c3 e7e6 g1f3 f8b4

{A18   English: Mikenas-Carls variation}c2c4 g8f6 b1c3 e7e6 e2e4

{A18   English: Mikenas-Carls, Flohr variation}c2c4 g8f6 b1c3 e7e6 e2e4 d7d5 e4e5

{A19   English: Mikenas-Carls, Sicilian variation}c2c4 g8f6 b1c3 e7e6 e2e4 c7c5

{A20   English opening}c2c4 e7e5 g2g3

{A20   English : kingside fianchetto}c2c4 e7e5 g2g3 g8f6 f1g2

{A20   English: modern Nimzovich}c2c4 e7e5 g2g3 g8f6 f1g2 d7d5 c4d5 f6d5 g1f3 b8c6 e1g1

{A20   English: Nimzovich, Flohr variation}c2c4 e7e5 g1f3 e5e4

{A20/04   English (reversed Sicilian)}c2c4 e7e5 g2g3 g8f6 f1g2 c7c6 d2d4

{A20/01   Amsterdam attack}e2e3 e7e5 c2c4

{A21   English opening}c2c4 e7e5 b1c3

{A21   English: Keres variation}c2c4 e7e5 b1c3 d7d6 g2g3 c7c6

{A21   English opening}c2c4 e7e5 b1c3 d7d6 g1f3

{A21   English closed (with ...f5)}c2c4 e7e5 b1c3 f7f5 g2g3 g8f6 f1g2 d7d6

{A21   English: Kramnik-Shirov counter-attack}c2c4 e7e5 b1c3 f8b4

{A21/20   English opening}c2c4 g7g6 b1c3 f8g7 g2g3 e7e5 f1g2 d7d6 d2d3 f7f5 g1f3 g8f6 e1g1

{A21   English: closed, Old Indian formation}d2d4 d7d6 c2c4 e7e5 g1f3 e5e4 f3g5 f7f5 b1c3 c7c6

{A21/21   English: closed, Old Indian formation}d2d4 d7d6 c2c4 e7e5 g1f3 e5e4 f3g5 f7f5 b1c3 c7c6 g5h3 f8e7 g2g3

{A22   English opening}c2c4 e7e5 b1c3 g8f6

{A22   English opening (e4)}c2c4 e7e5 b1c3 g8f6 e2e4

{A22   English: Carls' Bremen system}c2c4 e7e5 b1c3 g8f6 g2g3

{A22/04   English: Bremen, reverse dragon}c2c4 e7e5 b1c3 g8f6 g2g3 d7d5 c4d5 f6d5 f1g2 d5b6

{A22   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 g8f6 g2g3 f8b4

{A22   English: Bremen, Smyslov system, 4...Bxc3}c2c4 e7e5 b1c3 g8f6 g2g3 f8b4 f1g2 b4c3 b2c3 e8g8 e2e4 d7d6

{A22   English: Bremen, Smyslov system, main line}c2c4 e7e5 b1c3 g8f6 g2g3 f8b4 f1g2 e8g8 e2e4 b4c3 d2c3 d7d6 d1c2

{A22   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 g8f6 g2g3 f8b4 f1g2 e8g8 g1f3 f8e8 e1g1 e5e4 f3d4 b8c6 d4c2 b4c3

{A22   English: Bellon gambit}c2c4 e7e5 b1c3 g8f6 g1f3 e5e4 f3g5 b7b5

{A23   English: Bremen system, Keres variation}c2c4 e7e5 b1c3 g8f6 g2g3 c7c6

{A24   English: Bremen system (with...g6)}c2c4 e7e5 b1c3 g8f6 g2g3 g7g6

{A24/08   English: modern Bremen}g1f3 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 d7d6 b1c3 e7e5 d2d3 c7c6 a1b1 a7a5

{A25   English: Sicilian reversed}c2c4 e7e5 b1c3 b8c6

{A25   English: closed system}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7

{A25   English: closed, Hort variation}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 d7d6 g1e2 c8e6

{A25   English: closed, Taimanov variation}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 d7d6 g1e2 g8h6

{A25   English: closed (5.Rb1)}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 a1b1

{A25/08   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 g8f6 g2g3 f8b4 f1g2 b8c6 c3d5 b4c5 e2e3 e8g8 g1e2 d7d6

{A25/02   English: Troeger defence}c2c4 e7e5 b1c3 d7d6 g2g3 c8e6 f1g2 b8c6

{A25   English: closed system (with...f5)}c2c4 e7e5 b1c3 f7f5 g2g3 g8f6 f1g2 b8c6 e2e3 g7g6 g1e2 f8g7 d2d3 e8g8

{A25   English: closed system, modern line}g2g3 e7e5 c2c4 g8f6 f1g2 b8c6 b1c3 f8c5 e2e3 e8g8 g1e2 d7d6 e1g1

{A26   English: closed system (without...d6)}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3

{A26   English: closed system}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6

{A26   English: Botvinnik system}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 e2e4

{A26/09   English: closed system, main line}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 g1f3 g8f6 e1g1 e8g8 a1b1

{A26/11   English: closed system, main line}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 g1f3 g8f6 e1g1 e8g8 a1b1 a7a5 a2a3 c6d4 b2b4 a5b4 a3b4

{A26/07   English: closed system (with...f5)}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 d7d6 d2d3 f7f5 a1b1 a7a5 a2a3 g8f6 e1g1 e8g8 b2b4 a5b4 a3b4 h7h6

{A26/07   English: closed system (with...f5)}c2c4 e7e5 b1c3 b8c6 g1f3 g7g6 g2g3 f8g7 f1g2 d7d6 d2d3 f7f5 e1g1 g8f6 a1b1 e8g8 b2b4 h7h6

{A26   English: closed system}c2c4 e7e5 b1c3 d7d6 g2g3 g7g6 f1g2 f8g7 d2d3 b8c6

{A26   English: closed system, modern line}c2c4 e7e5 b1c3 g8f6 g1f3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8 d2d3 d7d6

{A26   English: closed system (with...f5)}c2c4 e7e5 g2g3 b8c6 f1g2 g7g6 b1c3 f8g7 d2d3 f7f5

{A26   English: closed system}c2c4 g7g6 g2g3 f8g7 f1g2 d7d6 b1c3 e7e5 d2d3 b8c6

{A26   English: Botvinnik system}c2c4 g7g6 g2g3 f8g7 f1g2 g8f6 b1c3 e8g8 e2e4 d7d6 g1e2 b8c6 d2d3 e7e5 e1g1

{A26   English: closed system}c2c4 g7g6 g1f3 f8g7 g2g3 d7d6 f1g2 e7e5 b1c3 b8c6 d2d3

{A26/11   English: closed system, main line}c2c4 g8f6 b1c3 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 d7d6 e1g1 e7e5 d2d3 b8c6 a1b1 a7a5 a2a3 h7h6 b2b4 a5b4 a3b4

{A26/11   English: closed system, modern line}c2c4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 b1c3 d7d6 e1g1 e7e5 d2d3 b8c6 a1b1 a7a5

{A27   English: three knights system}c2c4 e7e5 b1c3 b8c6 g1f3

{A28   English: four knights, Marini variation}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 a2a3

{A28   English: four knights, Capablanca variation}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d3

{A28   English: Bradley Beach variation}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d4 e5e4

{A28   English: Nenarokov variation}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d4 e5d4 f3d4 f8b4 c1g5 h7h6 g5h4 b4c3+ b2c3 c6e5

{A28   English: four knights, 4.e3}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3

{A28   English: four knights, Romanishin variation}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3 f8b4 d1c2 b4c3

{A28   English: four knights, Stean variation}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3 f8b4 d1c2 e8g8 c3d5 f8e8 c2f5

{A28   English: four knights, Nimzovich variation}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e4

{A28   English: four knights, transposed}e2e3 e7e5 c2c4 g8f6 b1c3 b8c6 g1f3

{A29   English: Bremen}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 g2g3

{A29   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 g2g3 f8b4

{A29   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 g2g3 f8b4 f1g2 e8g8 e1g1

{A29   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 g2g3 f8b4 f1g2 e8g8 e1g1 e5e4

{A29/52   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 g2g3 f8b4 f1g2 e8g8 e1g1 e5e4 f3e1 b4c3 d2c3 h7h6

{A29   English: Bremen 3...Bb4}c2c4 e7e5 b1c3 g8f6 g2g3 f8b4 f1g2 e8g8 e2e4 b4c3

{A29   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 g8f6 g2g3 f8b4 f1g2 e8g8 g1f3 f8e8 e1g1 e5e4 f3d4 b8c6 d4c2 b4c3 d2c3

{A29/06   English: Bremen, reverse dragon}c2c4 e7e5 b1c3 g8f6 g2g3 d7d5 c4d5 f6d5 f1g2 d5b6 g1f3 b8c6 e1g1 f8e7 a1b1

{A29/19   English: Bremen, Smyslov system}c2c4 e7e5 b1c3 g8f6 g1f3 b8c6 g2g3 f8b4 f1g2 e8g8 e1g1 e5e4 f3e1 b4c3 d2c3 h7h6 e1c2 f8e8 c2e3 d7d6

{A30   English: symmetrical variation}c2c4 c7c5

{A30   English: symmetrical (plus QGD, Gruenfeld, KID, & acc. fianchetto Sicilians)}c2c4 c7c5 g1f3

{A30   English: symmetrical}c2c4 c7c5 g1f3 b8c6

{A30   English: symmetrical, hedgehog system}c2c4 c7c5 g1f3 g8f6 g2g3 b7b6 f1g2 c8b7 e1g1 e7e6 b1c3 f8e7

{A30   English: symmetrical, hedgehog, flexible formation}c2c4 c7c5 g1f3 g8f6 g2g3 b7b6 f1g2 c8b7 e1g1 e7e6 b1c3 f8e7 d2d4 c5d4 d1d4 d7d6 f1d1 a7a6 b2b3 b8d7

{A30   English: symmetrical (2.g3)}c2c4 c7c5 g2g3 b8c6

{A30   English: symmetrical, hedgehog}c2c4 c7c5 b1c3 g8f6 g2g3 e7e6 g1f3 b7b6 f1g2 c8b7

{A30   English: symmetrical, hedgehog, flexible formation}c2c4 g8f6 g1f3 c7c5 b1c3 e7e6 g2g3 b7b6 f1g2 c8b7 e1g1 f8e7

{A30   English: symmetrical, hedgehog}g1f3 c7c5 g2g3 b7b6 f1g2 c8b7 c2c4 g7g6 b1c3 f8g7 e1g1 g8f6

{A30   English: symmetrical, hedgehog system}g1f3 c7c5 g2g3 b7b6 f1g2 c8b7 c2c4 g8f6 e1g1

{A30   English: symmetrical, hedgehog system}g1f3 c7c5 g2g3 b7b6 f1g2 c8b7 e1g1 g8f6 c2c4 e7e6

{A30   English: symmetrical, hedgehog (Kramnik)}g1f3 g8f6 c2c4 b7b6 g2g3 c7c5 f1g2 c8b7 e1g1 g7g6 b1c3 f8g7 d2d4 c5d4 d1d4 d7d6 f1d1 b8d7 b2b3 e8g8 c1b2 a8c8

{A30   English: symmetrical, hedgehog, natural line}g1f3 g8f6 c2c4 c7c5 g2g3 b7b6 f1g2 c8b7 b2b3 e7e6 e1g1 f8e7 c1b2 e8g8 b1c3 d7d6

{A30   English: symmetrical, hedgehog system, 7.Re1 main line}g1f3 g8f6 c2c4 c7c5 b1c3 e7e6 g2g3 b7b6 f1g2 c8b7 e1g1 f8e7 f1e1 d7d6 e2e4 a7a6 d2d4 c5d4 f3d4 d8c7 c1e3 e8g8 a1c1 b8d7 f2f4 f8e8

{A31   English: symmetrical variation}c2c4 c7c5 g1f3 g8f6 d2d4

{A31   English: symmetrical variation}c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4

{A32   English: symmetrical variation}c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6

{A32/19   English: Nimzo-Indian}c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6 b1c3 f8b4

{A32   English: symmetrical, modern line}d2d4 e7e6 g1f3 c7c5 c2c4 c5d4 f3d4 g8f6 b1c3 f8b4

{A32   English: symmetrical, modern line}d2d4 g8f6 c2c4 e7e6 g2g3 c7c5 g1f3 c5d4 f3d4 d8c7 b1c3 a7a6

{A33   English: symmetrical variation}c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6 b1c3 b8c6

{A33   English: symmetrical, Geller variation}c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6 b1c3 b8c6 g2g3 d8b6

{A33/17   English: symmetrical variation}c2c4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g3 d8b6 d4b3

{A33   English: Nimzo-Indian}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g2g3 c7c5 g1f3 e8g8 f1g2 c5d4 f3d4 b8c6

{A33   English: Nimzo-Indian}g1f3 c7c5 c2c4 g8f6 b1c3 b8c6 d2d4 c5d4 f3d4 e7e6 g2g3 f8b4 f1g2 e8g8

{A34   English: symmetrical variation}c2c4 c7c5 b1c3

{A34   English: symmetrical variation}c2c4 c7c5 b1c3 g8f6 g2g3

{A34   English: symmetrical, Rubinstein system}c2c4 c7c5 b1c3 g8f6 g2g3 d7d5 c4d5 f6d5 f1g2 d5c7

{A34   English: symmetrical (3.g3 e6)}c2c4 c7c5 b1c3 g8f6 g2g3 e7e6 g1f3 d7d5 c4d5

{A34   English: symmetrical, three knights system}c2c4 c7c5 b1c3 g8f6 g1f3 d7d5 c4d5 f6d5

{A34/27   English: symmetrical, four knights}c2c4 c7c5 b1c3 g8f6 g1f3 b8c6 g2g3 d7d5 c4d5 f6d5 f1g2 d5c7 e1g1 e7e5 d2d3 f8e7

{A34   English: symmetrical, three knights}c2c4 c7c5 g1f3 g8f6 b1c3

{A34   English: symmetrical, three knights (3...b6)}c2c4 c7c5 g1f3 g8f6 b1c3 b7b6 g2g3 c8b7

{A34   English: symmetrical (3.Nc3)}c2c4 c7c5 g1f3 g8f6 b1c3 g7g6 d2d4

{A34/27   English: symmetrical, four knights}c2c4 c7c5 g1f3 g8f6 b1c3 b8c6 e2e4 e7e6

{A34   English: symmetrical, four knights}e2e4 c7c5 g1f3 e7e6 c2c4 b8c6 b1c3 g8f6 f1e2 d8c7 e1g1 a7a6 d2d4 c5d4 f3d4

{A34/27   Reti: English symmetrical, four knights}g1f3 g8f6 g2g3 c7c5 f1g2 b8c6 c2c4 d7d5 c4d5 f6d5 e1g1 e7e5 b1c3 d5c7

{A35   English: symmetrical variation}c2c4 c7c5 b1c3 b8c6

{A35   English: symmetrical, three knights}c2c4 c7c5 b1c3 b8c6 g1f3 g7g6 d2d4 f8g7 e2e3 d7d6

{A35   English: symmetrical, four knights system}c2c4 c7c5 b1c3 b8c6 g1f3 g8f6

{A35   English: advanced symmetrical}c2c4 g7g6 d2d4 f8g7 b1c3 c7c5 g1f3 c5d4 f3d4 b8c6 e2e3 g8f6 f1e2 e8g8 e1g1 d7d6 b2b3 c6d4 e3d4 d6d5 c1e3

{A36   English: symmetrical variation}c2c4 c7c5 b1c3 b8c6 g2g3

{A36   English: ultra-symmetrical variation}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7

{A36   English: symmetrical, Botvinnik system reversed}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 e7e5

{A36   English: symmetrical, Botvinnik system}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e4

{A36   English: symmetrical, Botvinnik system}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e4 d7d6 d2d3 e7e6 g1e2 g8e7 e1g1 e8g8

{A36/30   English: symmetrical, modern Botvinnik system}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e4 g8f6 g1e2 e8g8 e1g1 d7d6 d2d3 a7a6

{A36/28   English: symmetrical, modern Botvinnik system}c2c4 c7c5 b1c3 g8f6 g2g3 g7g6 f1g2 f8g7 e2e4 b8c6 g1e2 d7d6 e1g1 e8g8

{A36   English: ultra-symmetrical (6.Nge2)}c2c4 c7c5 g2g3 g7g6 f1g2 f8g7 b1c3 b8c6 e2e3 e7e6 g1e2 g8e7

{A36   English: ultra-symmetrical variation}c2c4 c7c5 g2g3 b8c6 f1g2 g7g6 b1c3 f8g7

{A36/18   English: symmetrical, modern Botvinnik system}c2c4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 e2e4 c7c5 g1e2 b8c6 e1g1 d7d6 d2d3 a8b8 a1b1 b7b6 a2a3

{A36   English: symmetrical, modern Botvinnik system}c2c4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 e2e4 d7d6 g1e2 c7c5 d2d3 b8c6 e1g1

{A36/28   English: symmetrical, modern Botvinnik system}c2c4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 e2e4 d7d6 g1e2 c7c5 e1g1 b8c6

{A37   English: symmetrical variation}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3

{A37   English: symmetrical, Botvinnik system reversed}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 e7e5

{A37/27   English: symmetrical variation (5.a3)}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 a2a3 a7a5 a1b1 d7d6 g1f3 e7e5 d2d3 g8e7 e1g1 e8g8

{A37/27   English: symmetrical variation}c2c4 c7c5 g1f3 b8c6 g2g3 g7g6 f1g2 f8g7 b1c3 e7e5 e1g1 g8e7 d2d3 d7d6 a2a3 e8g8 a1b1 a7a5 f3e1 c8e6 c3d5

{A37   English: symmetrical variation}c2c4 g7g6 g1f3 f8g7 g2g3 c7c5 f1g2 b8c6 b1c3

{A37/27   Reti/English: symmetrical variation}g1f3 c7c5 c2c4 b8c6 g2g3 g7g6 f1g2 f8g7 b1c3 d7d6 e1g1 e7e5 d2d3 g8e7 a2a3 a7a5 a1b1 e8g8 f3e1 c8e6

{A37   Reti/English: symmetrical variation}g1f3 c7c5 g2g3 g7g6 c2c4 f8g7 f1g2 b8c6 b1c3 e7e6 e1g1 g8e7 d2d3 e8g8 c1d2 d7d5 a2a3 b7b6 a1b1 c8b7 b2b4 c5b4 a3b4 d5c4 d3c4

{A38   English: ultra symmetrical variation}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6

{A38   English: ultra symmetrical variation (6...O-O)}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8

{A38   English: ultra symmetrical, main line (with b3)}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 b2b3

{A38   English: ultra symmetrical, main line (with d3)}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 d2d3

{A38   English: ultra symmetrical variation}c2c4 c7c5 b1c3 g8f6 g2g3 b8c6 f1g2 g7g6 g1f3 f8g7

{A38/12   English: ultra symmetrical, main line}c2c4 c7c5 g1f3 g8f6 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8 d2d3 d7d6

{A38   Reti: English, ultra symmetrical, main line}g1f3 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 c7c5 b1c3 b8c6

{A38   English: ultra symmetrical variation (6...O-O)}g1f3 g8f6 g2g3 c7c5 f1g2 b8c6 e1g1 g7g6 c2c4 f8g7 b1c3 e8g8

{A39   English: ultra symmetrical, main line (with d4)}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 d2d4

{A39/10   English: symmetrical, main line knight exchange}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 d2d4 c5d4 f3d4 c6d4 d1d4 d7d6 d4d3

{A39/02   English: symmetrical, main line (with d4)}c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 d2d4 c5d4 f3d4 d8b6 d4c2 d7d6

{A39   English: ultra symmetrical, main line (with d4)}c2c4 c7c5 b1c3 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 b8c6 d2d4

{A39/10   English: symmetrical, modern line (4...g6)}c2c4 c7c5 b1c3 g8f6 g1f3 b8c6 g2g3 g7g6 d2d4 c5d4 f3d4 f8g7 f1g2 c6d4 d1d4 e8g8 e1g1 d7d6 d4d3 a7a6 c1d2 c8f5 e2e4 f5e6 b2b3 f6d7 a1c1

{A39/10   English: symmetrical, modern line (7...O-O)}c2c4 c7c5 b1c3 g8f6 g1f3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d4 c5d4 f3d4 e8g8 e1g1 c6d4 d1d4 d7d6 d4d3 a7a6 c1d2 a8b8

{A39/10   Reti: English symmetrical, modern line}g1f3 c7c5 g2g3 b8c6 f1g2 g7g6 e1g1 f8g7 c2c4 d7d6 b1c3 g8f6 d2d4 c5d4 f3d4 c6d4 d1d4 e8g8 d4d3 a8b8

{A39   Reti: English symmetrical, main line knight exchange}g1f3 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 c7c5 d2d4 c5d4 f3d4 b8c6 b1c3

{A40   Queen's pawn game}d2d4

{A40   Polish defence}d2d4 b7b5

{A40   Queen's pawn: English defence}d2d4 b7b6

{A40   Queen's pawn: English defence}d2d4 b7b6 c2c4 c8b7 b1c3

{A40   Queen's pawn: Charlick (Englund) gambit}d2d4 e7e5

{A40   Queen's pawn: Englund gambit}d2d4 e7e5 d4e5 b8c6 g1f3 d8e7 d1d5 f7f6 e5f6 g8f6

{A40   Queen's pawn game}d2d4 e7e6

{A40   Queen's pawn: Keres defence}d2d4 e7e6 c2c4 b7b6

{A40   Queen's pawn: Keres defence (3.e4 Bb7)}d2d4 e7e6 c2c4 b7b6 e2e4 c8b7 f1d3 f7f5 e4f5 f8b4+ e1f1 g8f6

{A40   Queen's pawn: Franco-Indian (Keres) defence}d2d4 e7e6 c2c4 f8b4+

{A40   Queen's pawn game}d2d4 e7e6 g1f3 b7b6

{A40   Modern defence}d2d4 g7g6

{A40   Modern defence (including KID, English, Gruenfeld)}d2d4 g7g6 c2c4

{A40   Modern (plus Benoni & KID)}d2d4 g7g6 c2c4 f8g7 e2e4 c7c5 d4d5

{A40   Modern: three pawns attack}d2d4 g7g6 c2c4 f8g7 e2e4 b8c6 g1f3 e7e5 c1e3

{A40   Modern defence (including King's Indian, English)}d2d4 g7g6 c2c4 f8g7 b1c3

{A40   Beefeater defence}d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 g7c3+ b2c3 f7f5

{A40/21   Modern defence}d2d4 g7g6 g1f3 f8g7 g2g3 c7c5 f1g2 c5d4 f3d4 b8c6 d4b3 g8f6 e1g1 d7d6 b1c3 e8g8 h2h3

{A40   Queen's pawn: Lundin (Kevitz-Mikenas) defence}d2d4 b8c6

{A40   Queen's pawn-King's pawn game}d2d4 b8c6 e2e4 e7e5 d4d5 c6e7 c2c4 e7g6 c1e3 g8f6 b1c3 f8b4 f2f3 e8g8 f1d3

{A40   English-Queen's pawn}c2c4 b7b6 b1c3 c8b7 d2d4 e7e6 e2e4 f8b4 f2f3 f7f5

{A40/11   English: three pawns}g1f3 c7c5 c2c4 g7g6 d2d4 f8g7 e2e4 d8a5+ b1c3 b8c6

{A40/21   Reti (plus KID, Pirc, Dutch) openings}g1f3 g7g6 d2d4 f8g7

{A40/25   Queen's pawn-KID}g1f3 g7g6 c2c4 f8g7 d2d4

{A41   Queen's pawn game}d2d4 d7d6

{A41   Old Indian defence}d2d4 d7d6 c2c4

{A41   Old Indian: exchange}d2d4 d7d6 c2c4 e7e5 d4e5 d6e5 d1d8+

{A41   Old Indian: 4.Ng5}d2d4 d7d6 c2c4 e7e5 g1f3 e5e4 f3g5 f7f5 g2g3

{A41   Modern defence}d2d4 d7d6 c2c4 g7g6 b1c3 f8g7

{A41   Modern defence (4...Bg4)}d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 g1f3 c8g4

{A41/13   Modern defence (4...Bg4)}d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 g1f3 c8g4 e2e3 b8c6 f1e2 e7e5

{A41/03   Queen's pawn (plus KID fianchetto)}d2d4 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2

{A41   Old Indian: Tartakower (Wade) variation}d2d4 d7d6 g1f3 c8g4

{A41/10   Old Indian: Tartakower, 3.c4 main line}d2d4 d7d6 g1f3 c8g4 c2c4 b8d7 b1c3 e7e5 g2g3 g4f3 e2f3

{A41/07   Modern defence: 4.g3}d2d4 g7g6 c2c4 f8g7 g1f3 d7d6 g2g3

{A41   Robatsch defence: Rossolimo variation}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c4 c8g4

{A42   Modern defence: Averbakh system}d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4

{A42   Pterodactyl defence}d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 c7c5 g1f3 d8a5

{A42   Modern defence: Averbakh system, Randspringer variation}d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 f7f5

{A42   Modern defence: Averbakh system, Kotov variation}d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 b8c6

{A42   Modern defence: transposed Averbakh, Kotov variation}d2d4 g7g6 c2c4 f8g7 e2e4 d7d6 b1c3 e7e5 c1e3 b8c6

{A42   Modern defence: Averbakh system (...e5 Nf3/Nge2)}d2d4 g7g6 c2c4 f8g7 e2e4 d7d6 b1c3 e7e5 g1e2 e5d4 e2d4 b8c6 c1e3 g8e7

{A42   Modern defence (plus King's Indian)}d2d4 g7g6 e2e4 f8g7 c2c4 d7d6 b1c3

{A42   Modern defence: transposed Averbakh, Kotov variation}d2d4 g7g6 e2e4 f8g7 c2c4 d7d6 b1c3 b8c6 c1e3 e7e5 d4d5 c6e7 c4c5

{A43   Old Benoni defence}d2d4 c7c5

{A43   Old Benoni defence}d2d4 c7c5 d4d5 d7d6

{A43   Old Benoni: Franco-Benoni defence}d2d4 c7c5 d4d5 e7e6 e2e4

{A43   Old Benoni: Mujannah formation}d2d4 c7c5 d4d5 f7f5

{A43   Old Benoni defence}d2d4 c7c5 d4d5 g8f6

{A43   Woozle defence}d2d4 c7c5 d4d5 g8f6 b1c3 d8a5

{A43   Old Benoni defence}d2d4 c7c5 d4d5 g8f6 g1f3

{A43/01   Rodney Dangerfield defence}d2d4 c7c5 d4c5 e7e6 b1c3 f8c5 c3e4 g8f6 e4c5 d8a5+

{A43   Benoni-Torre}d2d4 c7c5 g1f3 g8f6 d4d5 b7b5 c1g5 f6e4 g5f4

{A43   Queen's pawn game}d2d4 e7e6 c2c4 c7c5 d4d5 e6d5 c4d5 d7d6 b1c3 g7g6 e2e4 f8g7 f1d3

{A43   Robatsch: Old Benoni}e2e4 g7g6 d2d4 f8g7 g1f3 c7c5 d4d5 d7d6 b1c3 g8f6

{A44   Old Benoni defence}d2d4 c7c5 d4d5 e7e5

{A44   Semi-Benoni ('blockade variation')}d2d4 c7c5 d4d5 e7e5 e2e4 d7d6

{A45   Queen's pawn game}d2d4 g8f6

{A45   Trompovsky attack (Ruth, Opovcensky opening)}d2d4 g8f6 c1g5

{A45/08   Trompovsky attack: ...c5}d2d4 g8f6 c1g5 c7c5 g5f6 g7f6 d4d5 d8b6 d1c1 f6f5

{A45/04   Trompovsky attack: ...e6}d2d4 g8f6 c1g5 e7e6 e2e4 h7h6 g5f6 d8f6

{A45/03   Trompovsky attack: ...g6}d2d4 g8f6 c1g5 g7g6 g5f6 e7f6 e2e3 f8g7

{A45/09   Trompovsky attack, Hodgson variation}d2d4 g8f6 c1g5 f6e4 h2h4 c7c5 d4d5 g7g6 d1d3

{A45/11   Trompovsky attack: 3.Bf4}d2d4 g8f6 c1g5 f6e4 g5f4 c7c5 f2f3 d8a5+ c2c3 e4f6 d4d5

{A45/17   Trompovsky attack: 3.Bf4}d2d4 g8f6 c1g5 f6e4 g5f4 d7d5 e2e3

{A45/09   Trompovsky attack: 3.Bh4}d2d4 g8f6 c1g5 f6e4 g5h4 c7c5 f2f3 g7g5 f3e4 g5h4 e2e3 f8h6 e1f2 c5d4 e3d4

{A45   Queen's pawn (c3)}d2d4 g8f6 c2c3 g7g6 b1d2 d7d5 g1f3

{A45/01   Stonewall attack system}d2d4 g8f6 e2e3 c7c5 f2f4 e7e6 f1d3

{A45/01   Stonewall attack system}d2d4 g8f6 e2e3 d7d5 f2f4 e7e6 f1d3

{A45/01   Stonewall attack system}d2d4 g8f6 e2e3 e7e6 f1d3 d7d5 f2f4 c7c5 c2c3 f8d6 g1f3 e8g8 e1g1 b8c6 b1d2 c5d4 c3d4

{A45/01   Stonewall attack system}d2d4 g8f6 e2e3 g7g6 f2f4 f8g7 g1f3 e8g8 f1d3 d7d6 b1d2

{A45/01   Stonewall attack system}d2d4 g8f6 e2e3 g7g6 f1d3 f8g7

{A45/01   Stonewall attack system}d2d4 g8f6 e2e3 g7g6 f1d3 f8g7 f2f4 d7d5 g1f3 e8g8 b1d2

{A45   Paleface attack}d2d4 g8f6 f2f3

{A45   Canard opening}d2d4 g8f6 f2f4

{A45/02   Queen's pawn game}d2d4 g8f6 g2g3 c7c5 d4d5 b7b5 f1g2 c8b7

{A45/02   Queen's pawn game}d2d4 g8f6 g2g3 d7d5 f1g2 c8f5 g1f3 e7e6 e1g1

{A45/03   Queen's pawn game}d2d4 g8f6 g2g3 g7g6 f1g2 f8g7 e2e4

{A45/02   Queen's pawn game}d2d4 g8f6 g2g3 g7g6 f1g2 f8g7 b1c3

{A46   Queen's pawn game}d2d4 g8f6 g1f3

{A46   Queen's pawn (plus Colle, Benoni, Benko gambit)}d2d4 g8f6 g1f3 c7c5

{A46   Queen's pawn (...c5 c3)}d2d4 g8f6 g1f3 c7c5 c2c3 e7e6

{A46/10   Queen's pawn : Torre attack (with ...c5)}d2d4 g8f6 g1f3 c7c5 c2c3 e7e6 c1g5

{A46   Queen's pawn (plus KID, Old Indian, Philidor, KP Nimzovich)}d2d4 g8f6 g1f3 d7d6

{A46   Queen's pawn game}d2d4 g8f6 g1f3 e7e6

{A46   Queen's pawn: Yusupov-Rubinstein system}d2d4 g8f6 g1f3 e7e6 e2e3

{A46   Queen's pawn: fianchetto (Lasker)}d2d4 g8f6 g1f3 e7e6 g2g3

{A46   Queen's pawn: fianchetto 3...b5}d2d4 g8f6 g1f3 e7e6 g2g3 b7b5 f1g2 c8b7 e1g1 c7c5 c2c3

{A46   Queen's pawn: Andersson system}d2d4 g8f6 g1f3 e7e6 g2g3 c7c5 f1g2 c5d4 f3d4 a7a6 e1g1 d8c7 d4b3

{A46   Queen's pawn: London system}d2d4 g8f6 g1f3 e7e6 c1f4 c7c5 e2e3 d8b6 b1c3 a7a6 a2a3 d7d6

{A46   Queen's pawn: Torre attack}d2d4 g8f6 g1f3 e7e6 c1g5

{A46/10   Queen's pawn: Torre attack (with ...c5) main line}d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 c2c3 d8b6 d1b3 b6b3 a2b3 b8c6

{A46/23   Queen's pawn: Torre attack ...h6 main line}d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e3 h7h6

{A46/23   Queen's pawn: Torre attack ...h6 main line}d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e3 h7h6 g5h4 b7b6

{A46/24   Queen's pawn: Torre attack ...Be7 main line}d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e3 f8e7 b1d2 b7b6 f1d3

{A46/25   Queen's pawn: Torre attack ...Qb6 main line}d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e3 d8b6 b1d2 b6b2 f1d3 d7d5

{A46   Queen's pawn: Torre attack, Wagner gambit}d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e4

{A46/19   Queen's pawn: Torre attack ...h6}d2d4 g8f6 g1f3 e7e6 c1g5 h7h6 g5h4

{A46/20   Queen's pawn: Torre attack}d2d4 g8f6 g1f3 e7e6 c1g5 h7h6 g5f6 d8f6 e2e4 d7d6 b1c3 b8d7 d1d2

{A46/20   Trompovsky/Torre attack: ...e6}d2d4 g8f6 c1g5 e7e6 e2e4 h7h6 g5f6 d8f6 g1f3 d7d6 b1c3 b8d7 d1d2

{A47   Queen's Indian defence}d2d4 g8f6 g1f3 b7b6

{A47   Queen's pawn: Yusupov-Rubinstein system}d2d4 g8f6 g1f3 b7b6 e2e3 e7e6 f1d3 c8b7 b1d2 c7c5 e1g1 f8e7 b2b3 e8g8 c1b2 b8c6 d4c5

{A47   Queen's Indian: Marienbad system}d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5

{A47   Queen's Indian: Bf4}d2d4 g8f6 g1f3 b7b6 c1f4 e7e6 e2e3 c8b7 b1d2 f8e7 h2h3 c7c5

{A47   Queen's pawn: Yusupov-Rubinstein system}d2d4 e7e6 g1f3 c7c5 e2e3 g8f6 f1d3 b7b6 e1g1 c8b7 b1d2 f8e7 b2b3 e8g8 c1b2 d7d6 f1e1

{A48   King's Indian: East Indian defence}d2d4 g8f6 g1f3 g7g6

{A48   King's Indian: London system}d2d4 g8f6 g1f3 g7g6 c1f4

{A48   King's Indian: Torre attack}d2d4 g8f6 g1f3 g7g6 c1g5

{A48   King's Indian: Torre attack (4.e3 O-O)}d2d4 g8f6 g1f3 g7g6 c1g5 f8g7 e2e3 e8g8 f1d3 d7d5

{A48   King's Indian: Torre attack (4.e3 O-O)}d2d4 g8f6 g1f3 g7g6 c1g5 f8g7 e2e3 e8g8 b1d2 d7d6

{A48/10   King's Indian: Torre attack}d2d4 g8f6 g1f3 g7g6 c1g5 f8g7 b1d2 d7d5 g5f6

{A48   King's Indian: Torre attack (...O-O e3)}d2d4 g8f6 g1f3 g7g6 c1g5 f8g7 b1d2 e8g8 e2e3 d7d6

{A48   King's Indian: Torre attack (...O-O e4)}d2d4 g8f6 g1f3 g7g6 c1g5 f8g7 b1d2 e8g8 e2e4 d7d6 c2c3 c7c5 d4c5 d6c5 f1c4 b8c6 e1g1 d8c7

{A48   King's Indian: Colle system}d2d4 g8f6 g1f3 c7c5 e2e3 g7g6 f1d3 f8g7 e1g1 b7b6 b1d2 c8b7 c2c3 e8g8 d1e2 d7d5

{A48   King's Indian: London system}d2d4 g7g6 g1f3 g8f6 c1f4 f8g7 e2e3 e8g8 h2h3 d7d6 f1e2 b8d7 e1g1 d8e8 c2c4 e7e5 f4h2 e8e7 b1c3

{A48   Stonewall attack system}d2d4 g8f6 e2e3 g7g6 g1f3 f8g7 f1d3 e8g8 e1g1 d7d5 b1d2

{A49   King's Indian: fianchetto (without c4)}d2d4 g8f6 g1f3 g7g6 g2g3

{A49   King's Indian: fianchetto (without c4)}d2d4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 d7d6 e1g1 e8g8

{A49   King's Indian: fianchetto (without c4)}d2d4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1

{A49/07   King's Indian: fianchetto (without c4)}d2d4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 d7d6 b1c3 b8d7

{A49/10   King's Indian: Nimzovich-Larsen attack}g1f3 g8f6 b2b3 d7d6 d2d4 g7g6 c1b2 f8g7 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5

{A49   King's Indian: fianchetto (without c4)}d2d4 g8f6 g1f3 d7d6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8

{A49/10   King's Indian: Nimzovich-Larsen attack}g1f3 g8f6 b2b3 g7g6 c1b2 f8g7 g2g3 e8g8 f1g2 d7d6 d2d4 b8d7 e1g1 e7e5

{A50   Queen's pawn game}d2d4 g8f6 c2c4

{A50   Queen's Indian accelerated}d2d4 g8f6 c2c4 b7b6

{A50   Queen's pawn, Slav}d2d4 g8f6 c2c4 c7c6

{A50   Kevitz-Trajkovich defence}d2d4 g8f6 c2c4 b8c6

{A50   Kevitz-Trajkovich (4.a3)}d2d4 g8f6 c2c4 b8c6 g1f3 e7e6 a2a3 d7d6 b1c3 g7g6

{A50/09   Queen's Indian accelerated}d2d4 b7b6 c2c4 c8b7 b1c3 g8f6 d1c2 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 e7e5

{A51   Budapest defence declined}d2d4 g8f6 c2c4 e7e5

{A51   Budapest: Fajarowicz variation}d2d4 g8f6 c2c4 e7e5 d4e5 f6e4

{A51   Budapest: Fajarowicz, Steiner variation}d2d4 g8f6 c2c4 e7e5 d4e5 f6e4 d1c2

{A52   Budapest defence}d2d4 g8f6 c2c4 e7e5 d4e5 f6g4

{A52   Budapest: Alekhine variation}d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4

{A52   Budapest: Alekhine variation, Balogh gambit}d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 d7d6

{A52   Budapest: Alekhine, Abonyi variation}d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 g4e5 f2f4 e5c6

{A52   Budapest: Rubinstein variation}d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 c1f4

{A52   Budapest: Adler variation}d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 g1f3

{A53   Old Indian defence}d2d4 g8f6 c2c4 d7d6

{A53/09   Old Indian: Ukrainian variation}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5

{A53/09   Old Indian: Dus-Khotimirsky variation}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 e2e3 b8d7 f1d3

{A53   Old Indian: Janowski variation}d2d4 g8f6 c2c4 d7d6 b1c3 c8f5

{A53   Old Indian: 3...Nbd7}d2d4 g8f6 c2c4 d7d6 b1c3 b8d7 e2e4 e7e5

{A53   Old Indian: Bg4}d2d4 g8f6 g1f3 d7d6 c2c4 c8g4 b1c3

{A54   Old Indian: Ukrainian variation (4.Nf3)}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3

{A54/05   Old Indian: Ukrainian variation (8.Qc2)}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3 b8d7 g2g3 c7c6 f1g2 f8e7 e1g1 e8g8 d1c2 f8e8

{A54/05   Old Indian: Ukrainian variation (8.Qc2)}d2d4 g8f6 g1f3 d7d6 c2c4 b8d7 b1c3 e7e5 g2g3 f8e7 f1g2 e8g8 e1g1 c7c6 d1c2 f8e8

{A54/17   Old Indian: 5.Bg5}d2d4 g8f6 g1f3 d7d6 c2c4 b8d7 b1c3 e7e5 c1g5 f8e7 e2e3 e8g8 d1c2 c7c6 f1e2

{A55   Old Indian: main line}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3 b8d7 e2e4

{A55/02   Old Indian: main line}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3 b8d7 e2e4 f8e7 g2g3 e8g8 f1g2 c7c6 e1g1 a7a6 a2a4 a6a5 h2h3 f8e8 c1e3 e5d4

{A55   Old Indian: main line (5.g3)}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3 b8d7 g2g3 f8e7 f1g2 c7c6 e1g1 e8g8 e2e4

{A55   Old Indian: 3...Nbd7}d2d4 g8f6 c2c4 d7d6 g1f3 b8d7 b1c3 c7c6 e2e4 e7e5 f1e2 f8e7 e1g1 e8g8 f1e1

{A55   Old Indian: 3...Nbd7}d2d4 g8f6 c2c4 d7d6 g1f3 b8d7 b1c3 e7e5 e2e4 f8e7 f1e2 c7c6 e1g1 e8g8 c1e3 f6g4 e3d2

{A55   Old Indian: main line}d2d4 g8f6 g1f3 d7d6 g2g3 b8d7 f1g2 e7e5 c2c4 f8e7 b1c3 e8g8 e1g1 c7c6 e2e4

{A56   Benoni defence}d2d4 g8f6 c2c4 c7c5

{A56   Benoni defence: Hromodka system}d2d4 g8f6 c2c4 c7c5 d4d5 d7d6

{A56   Czech Benoni defence}d2d4 g8f6 c2c4 c7c5 d4d5 e7e5

{A56   Czech Benoni: King's Indian system}d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 b1c3 d7d6 e2e4 g7g6

{A56   Czech Benoni ...Be7}d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 b1c3 d7d6 e2e4 f8e7

{A56/12   Czech Benoni, main line}d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 b1c3 d7d6 e2e4 f8e7 g2g3 e8g8 f1g2 f6e8 g1e2

{A56/08   Czech Benoni (Nf3 main line)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 b1c3 d7d6 e2e4 f8e7 g1f3 e8g8 h2h3 f6e8 f1d3

{A56/02   Benoni: King's Indian system}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 d7d6

{A56/02   Benoni (...c5/g6)}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 f8g7 e2e4 d7d6

{A56/01   Vulture defence}d2d4 c7c5 d4d5 g8f6 c2c4 f6e4 d1c2 d8a5+

{A56/01   Benoni (3.e3)}d2d4 g8f6 c2c4 c7c5 e2e3 e7e6

{A56   Benoni defence}d2d4 g7g6 c2c4 f8g7 e2e4 c7c5 d4d5 d7d6 b1c3 g8f6

{A57   Benko gambit (Volga gambit)}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5

{A57   Benko gambit half accepted}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6

{A57   Benko gambit: Nescafe Frappe attack}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3 a6b5 e2e4 b5b4 c3b5 d7d6 f1c4

{A57/06   Benko gambit: 4.Nf3}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 g1f3 c8b7

{A58   Benko gambit accepted}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6

{A58   Benko gambit: fianchetto variation}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 g1f3 g7g6 g2g3

{A58   Benko gambit: fianchetto variation, main line}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 g7g6 g2g3 d7d6 f1g2 f8g7 g1f3 b8d7 e1g1 d7b6

{A59   Benko gambit: 7.e4}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4

{A59   Benko gambit: main line}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1 e1f1 g7g6 g2g3 f8g7 f1g2 e8g8 g1f3

{A59   Benko gambit: Ne2 variation}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1 e1f1 g7g6 g1e2

{A59/03   Benko gambit: fianchetto variation with e4}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 g1f3 g7g6 e2e4 a6f1 e1f1 f8g7 g2g3 e8g8 f1g2 b8d7 h1e1

{A60   Benoni defence}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6

{A60   Benoni: with g3}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 g2g3

{A60   Benoni: with Nc3}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 f8d6 g1f3 d6c7

{A60/02   Benoni: fianchetto variation}d2d4 g8f6 c2c4 e7e6 g2g3 c7c5 d4d5 e6d5 c4d5

{A61   Benoni defence}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6

{A61   Benoni: Uhlmann variation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 c1g5

{A61   Benoni: Nimzovich (knight's tour) variation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 f3d2

{A62   Benoni: fianchetto variation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8

{A63   Benoni: fianchetto variation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 b8d7

{A64   Benoni: fianchetto (11...Re8)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 b8d7 f3d2 a7a6 a2a4 f8e8

{A64   Benoni: fianchetto (...Re8)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 f8e8 f3d2 b8d7 a2a4 a7a6 a4a5 a8b8

{A64   Benoni: fianchetto (...Re8)}d2d4 g8f6 c2c4 e7e6 g2g3 c7c5 d4d5 e6d5 c4d5 d7d6 f1g2 g7g6 g1f3 f8g7 b1c3 e8g8 e1g1 a7a6 a2a4 b8d7 f3d2 f8e8 d2c4 d7b6 c4a3 c8d7 h2h3

{A65   Benoni: 6.e4}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4

{A65   Benoni: Saemisch formation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f3 f8g7

{A65   Benoni: Saemisch formation, main line}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f3 f8g7 c1g5 e8g8

{A65   Benoni: Saemisch formation, main line}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f3 f8g7 c1g5 e8g8 d1c2 h7h6 g5e3

{A65/33   Benoni: Saemisch formation, main line}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f3 f8g7 c1g5 e8g8 d1d2 h7h6 g5e3 a7a6 a2a4 f8e8 g1e2 b8d7

{A65/04   Benoni (Bd3)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f1d3 f8g7 h2h3 e8g8

{A65/05   Benoni (Bd3)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f1d3 f8g7 g1e2 e8g8 e1g1

{A65/09   Benoni (Bd3) main line}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f1d3 f8g7 g1e2 e8g8 e1g1 a7a6 a2a4 b8d7

{A65/05   Benoni (Bd3)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f1d3 f8g7 g1e2 e8g8 e1g1 f8e8

{A65   Benoni: 7.Bf4}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 c1f4

{A65/09   Benoni (Bd3)}d2d4 g8f6 c2c4 c7c5 d4d5 d7d6 b1c3 g7g6 e2e4 f8g7 f1d3 e8g8 g1e2 e7e6 e1g1 e6d5 c4d5 a7a6 a2a4 b8d7

{A65/09   Benoni: King's Indian system}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 d7d6 e2e4 f8g7 f1d3 e8g8 g1e2 e7e6 e1g1 a7a6 a2a4 e6d5 c4d5 b8d7 e2g3 f8e8 h2h3 a8b8

{A65/05   Benoni (Bd3)}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 d7d6 e2e4 f8g7 f1d3 e8g8 g1e2 e7e6 e1g1 e6d5 c4d5

{A65/06   Benoni: Saemisch formation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 e7e6 d1d2 e6d5 c4d5

{A65/33   Benoni: Saemisch formation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 e7e6 d1d2 e6d5 c4d5 a7a6 a2a4 h7h6 g5e3 f8e8 g1e2 h6h5

{A65/33   Benoni: Saemisch formation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 e7e6 d1d2 e6d5 c4d5 h7h6 g5e3 a7a6 a2a4 f8e8 g1e2 h6h5

{A65/33   Benoni: Saemisch formation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 e7e6 d1d2 e6d5 c4d5 f8e8 g1e2 a7a6 a2a4 b8d7

{A65/09   Benoni (Bd3) main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1d3 e8g8 g1e2 c7c5 d4d5 e7e6 e1g1 e6d5 c4d5 a7a6 a2a4 b8d7 e2g3 f8e8 h2h3 a8b8

{A65/05   Benoni (Bd3)}d2d4 g7g6 c2c4 f8g7 e2e4 c7c5 d4d5 d7d6 b1c3 e7e6 f1d3 g8f6 g1e2 e8g8 e1g1 e6d5 c4d5

{A66   Benoni: Mikenas variation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 e4e5

{A67   Benoni: Taimanov variation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 f1b5+ f6d7 a2a4

{A68   Benoni: four pawns attack}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 g1f3 e8g8 f1e2

{A68/03   Benoni: four pawns attack}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 d7d6 e2e4 f8g7 f2f4 e8g8 g1f3 e7e6 f1d3 e6d5 c4d5

{A69   Benoni: four pawns attack, main line}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 f8g7 g1f3 e8g8 f1e2 f8e8

{A70   Benoni: classical (with e4 and Nf3)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

{A70   Benoni: classical, e4/Nf3...Bg7}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 h2h3 e8g8 f1d3 a7a6

{A70   Benoni: classical, e4/Nf3/a4}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 h2h3 e8g8 f1d3 a7a6 a2a4

{A70/29   Benoni: classical, e4/Nf3 main line}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 h2h3 e8g8 f1d3 a7a6 a2a4 b8d7 e1g1 f8e8 f1e1 d8c7 c1f4

{A70   Benoni: classical (without 9.O-O)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2

{A70   Benoni: classical (with e4 and Nf3)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 e2e4 f8g7 h2h3 e8g8 f1d3 f8e8 e1g1 c5c4 d3c2 b7b5

{A70/02   Benoni: classical}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 g1f3 e6d5 c4d5 d7d6 b1c3 g7g6 e2e4 f8g7 h2h3 e8g8 f1d3 b7b5 c3b5 f8e8 e1g1 f6e4 f1e1 a7a6 b5a3 e4f6

{A70   Benoni: classical, e4/Nf3...Bg7}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 f8g7 e2e4 d7d6 h2h3 e8g8 g1f3 e7e6 f1d3 e6d5 c4d5 a7a6

{A71   Benoni: classical (8.Bg5)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 c1g5

{A72   Benoni: classical (without 9.O-O)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8

{A73   Benoni: classical (9.O-O)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1

{A74   Benoni: classical (9...a6 10.a4)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 a7a6 a2a4

{A75   Benoni: classical (with...a6 &...Bg4)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 a7a6 a2a4 c8g4

{A76   Benoni: classical (9...Re8)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8

{A77   Benoni: classical (9...Re8 10.Nd2)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8 f3d2

{A77   Benoni: classical (...Re8 Nd2)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 f3d2 f8g7 e2e4 e8g8 f1e2 f8e8 e1g1

{A78   Benoni: classical (with...Re8 &...Na6)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8 f3d2 b8a6

{A79   Benoni: classical (11.f3)}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 f8e8 f3d2 b8a6 f2f3

{A80   Dutch}d2d4 f7f5

{A80   Dutch: 2.Bg5 variation}d2d4 f7f5 c1g5

{A80   Dutch: Spielmann gambit}d2d4 f7f5 b1c3 g8f6 g2g4

{A80   Dutch: King's knight}d2d4 f7f5 g1f3 g8f6

{A80   Dutch: Manhattan (Alapin-Ulvestad) variation}d2d4 f7f5 d1d3

{A81   Dutch defence}d2d4 f7f5 g2g3

{A81   Dutch: Leningrad, Karlsbad variation}d2d4 f7f5 g2g3 g7g6 f1g2 f8g7 g1h3

{A81   Dutch (stonewall & Ilyin-Genevsky)}d2d4 f7f5 g2g3 g8f6 f1g2 e7e6 g1f3

{A81   Dutch defence: Blackburne variation}d2d4 f7f5 g2g3 g8f6 f1g2 e7e6 g1h3

{A81   Dutch defence}d2d4 f7f5 g2g3 g8f6 f1g2 g7g6

{A81   Dutch defence (4.Nh3)}d2d4 f7f5 g2g3 g8f6 f1g2 g7g6 g1h3 f8g7 h3f4 d7d6 d4d5 c7c6 c2c4

{A82   Dutch: Balogh defence}d2d4 f7f5 e2e4 d7d6

{A82   Dutch: Staunton gambit}d2d4 f7f5 e2e4 f5e4

{A82   Dutch: Staunton gambit, Tartakower variation}d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 g2g4

{A83   Dutch: Staunton gambit, Staunton's line}d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5

{A83   Dutch: Staunton gambit, Chigorin variation}d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 c7c6

{A84   Dutch defence}d2d4 f7f5 c2c4 e7e6

{A84   Dutch defence: Rubinstein variation}d2d4 f7f5 c2c4 e7e6 b1c3

{A84   Dutch defence: Bladel variation}d2d4 f7f5 c2c4 g7g6 b1c3 g8h6

{A84   Dutch defence}d2d4 f7f5 c2c4 g8f6

{A84/11   Dutch defence}d2d4 f7f5 c2c4 g8f6 g1f3 e7e6

{A84/06   Dutch stonewall defence, main line}d2d4 f7f5 c2c4 g8f6 g1f3 e7e6 e2e3 d7d5 f1d3 c7c6 e1g1 f8d6 b2b3 d8e7

{A84/06   Dutch stonewall defence, main line}d2d4 d7d5 c2c4 c7c6 g1f3 e7e6 e2e3 f7f5 f1d3 g8f6 e1g1 f8d6 b2b3 d8e7

{A84/06   Dutch stonewall defence, main line (postponed ...f5)}d2d4 d7d5 c2c4 e7e6 g1f3 c7c6 e2e3 f8d6 f1d3 f7f5 e1g1 g8f6 b2b3 d8e7

{A85   Dutch (with c4 & Nc3)}d2d4 f7f5 c2c4 g8f6 b1c3

{A85/07   Dutch (c4/Nc3...e6)}d2d4 f7f5 c2c4 g8f6 b1c3 e7e6

{A85/11   Dutch (c4/Nc3...e6)}d2d4 f7f5 c2c4 g8f6 b1c3 e7e6 g1f3

{A85/12   Dutch defence: main line}d2d4 f7f5 c2c4 g8f6 b1c3 e7e6 g1f3 d7d5 c1f4 c7c6 e2e3 f8e7 f1d3 e8g8

{A85   Dutch (with c4 & Nc3)}d2d4 f7f5 c2c4 g8f6 b1c3 g7g6 g1f3 f8g7 c1f4 d7d6 e2e3 e8g8

{A85/16   Dutch (with c4 & Nc3)}d2d4 f7f5 c2c4 g8f6 g1f3 e7e6 b1c3 f8b4 d1b3 b4c3+

{A85   Dutch: Anderssen system}d2d4 f7f5 c2c4 e7e6 b1c3 g8f6 e2e3 f8b4 f1d3 b4c3+ b2c3 c7c5 g1e2 b8c6 e1g1 b7b6 f2f3 e8g8

{A85/12   Dutch defence: main line}d2d4 f7f5 c2c4 e7e6 b1c3 g8f6 g1f3 d7d5 c1f4 c7c6 e2e3 f8e7 f1d3 e8g8

{A85/11   Dutch defence: c4 & Nc3 main line}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 e2e3 f7f5 g1f3 g8f6 f1d3 f8d6

{A85/12   Dutch defence: main line}d2d4 d7d5 c2c4 e7e6 b1c3 f7f5 g1f3 g8f6 c1f4 c7c6 e2e3 f8e7 f1d3 e8g8

{A86   Dutch: Hort-Antoshin system}d2d4 f7f5 c2c4 g8f6 g2g3 d7d6 f1g2 c7c6 b1c3 d8c7

{A86   Dutch: Leningrad variation}d2d4 f7f5 c2c4 g8f6 g2g3 g7g6

{A86   Dutch: Leningrad (6.Nh3)}d2d4 f7f5 g2g3 g8f6 f1g2 g7g6 c2c4 f8g7 b1c3 e8g8 g1h3 d7d6 d4d5 b8a6

{A87   Dutch: Leningrad, main variation}d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3

{A87/09   Dutch: Leningrad, main variation (7...Qe8)}d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8 d4d5 b8a6 a1b1 a6c5

{A87/09   Dutch: Leningrad, modern main line}d2d4 f7f5 g2g3 g8f6 f1g2 g7g6 c2c4 f8g7 b1c3 e8g8 g1f3 d7d6 e1g1 d8e8 d4d5 b8a6 a1b1 c8d7 b2b4 c7c6 d5c6 b7c6 a2a3

{A87   Dutch: Leningrad, main variation (6.b3)}d2d4 f7f5 g2g3 g8f6 f1g2 g7g6 g1f3 f8g7 e1g1 e8g8 b2b3 d7d6 c1b2 d8e8 c2c4 b8a6 d1c2 a8b8

{A87/09   Dutch: Leningrad, modern main line (7...Qe8)}d2d4 f7f5 g1f3 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 d7d6 b1c3 d8e8

{A87   Dutch: Leningrad, main variation}c2c4 f7f5 g1f3 g8f6 g2g3 d7d6 d2d4 g7g6 f1g2 f8g7 e1g1 e8g8

{A87   Dutch: Leningrad, main variation}c2c4 f7f5 g1f3 g8f6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8 d2d4

{A87/09   Dutch: Leningrad, modern line}g1f3 f7f5 g2g3 g8f6 f1g2 g7g6 d2d4 f8g7 e1g1 e8g8 c2c4 d7d6 b1c3 d8e8

{A88   Dutch: Leningrad, main variation (with c6)}d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 d7d6 b1c3 c7c6

{A88/14   Dutch: Leningrad, modern main line (...c6 d5)}d2d4 f7f5 g2g3 g8f6 f1g2 g7g6 g1f3 f8g7 e1g1 e8g8 c2c4 d7d6 b1c3 c7c6 d4d5 e7e5 d5e6 c8e6 d1d3 b8a6 c1f4 f6e4 c3e4 f5e4 d3e4 a6c5 e4c2 e6f5

{A88/14   Dutch: Leningrad, modern main line (...c6 d5)}d2d4 d7d6 g1f3 f7f5 g2g3 g8f6 f1g2 g7g6 c2c4 f8g7 e1g1 e8g8 b1c3 c7c6 d4d5 e7e5 d5e6 c8e6 d1d3 b8d7

{A89   Dutch: Leningrad, main variation (with Nc6)}d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 d7d6 b1c3 b8c6

{A89   Dutch: Leningrad, modern main line}d2d4 f7f5 g1f3 g8f6 g2g3 g7g6 f1g2 f8g7 c2c4 e8g8 e1g1 d7d6 b1c3 b8c6 d4d5 c6e5 f3e5

{A90   Dutch defence}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2

{A90   Dutch defence (g3...d5)}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 d7d5 g1f3 c7c6 e1g1 f8d6

{A90/16   Dutch: 7.b3 main line}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 d7d5 g1f3 c7c6 e1g1 f8d6 b2b3 d8e7 c1b2 e8g8 b1d2 b7b6 f3e5

{A90   Dutch defence: Dutch-Indian (Nimzo-Dutch) variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8b4+

{A90   Dutch-Indian: Alekhine variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8b4+ c1d2 b4e7

{A90/09   Dutch/QGD: Nbd2 main line}d2d4 d7d5 c2c4 e7e6 g1f3 c7c6 b1d2 f7f5 g2g3 g8f6 f1g2 f8d6 e1g1 e8g8

{A90/05   Dutch: stonewall (Bd6)}d2d4 e7e6 c2c4 f7f5 g2g3 g8f6 f1g2 d7d5 g1f3 c7c6 e1g1 f8d6 b2b3 d8e7 c1b2 b7b6 b1d2 c8b7 f3e5 e8g8

{A90/05   Dutch: stonewall (Bd6)}d2d4 e7e6 g1f3 f7f5 g2g3 g8f6 f1g2 d7d5 e1g1 f8d6 c2c4 c7c6 b2b3 d8e7 c1b2

{A91   Dutch defence}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7

{A92   Dutch defence}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8

{A92   Dutch: stonewall variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5

{A92   Dutch defence: Alekhine variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 f6e4

{A92   Dutch: stonewall variation}g1f3 f7f5 g2g3 g8f6 f1g2 e7e6 e1g1 f8e7 d2d4 e8g8 c2c4 d7d5

{A93   Dutch: stonewall, Botwinnik variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b2b3

{A94   Dutch: stonewall (with Ba3)}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b2b3 c7c6 c1a3 e7a3 b1a3 d8e7 d1c1

{A95   Dutch: stonewall (with Nc3)}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b1c3 c7c6

{A96   Dutch: classical variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6

{A97   Dutch: Ilyin-Genevsky variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8

{A98   Dutch: Ilyin-Genevsky variation (with Qc2)}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8 d1c2

{A98   Dutch: Ilyin-Genevsky variation (with Qc2)}g1f3 e7e6 c2c4 f7f5 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 d2d4 d7d6 b1c3 d8e8 d1c2 e8h5

{A99   Dutch: Ilyin-Genevsky variation (with b3)}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8 b2b3

{B00   King's pawn opening}e2e4

{B00   St.George (Baker) defence}e2e4 a7a6

{B00   Owen defence}e2e4 b7b6

{B00/01   Bishops defence}e2e4 b7b6 d2d4 e7e6 f1d3 c8b7 g1f3 c7c5 c2c3 c5d4

{B00   Guatemala defence}e2e4 b7b6 d2d4 c8a6

{B00   Fried fox defence}e2e4 f7f6 d2d4 e8f7

{B00   Carr's defence}e2e4 h7h6

{B00   KP: Nimzovich defence}e2e4 b8c6

{B00   KP: Nimzovich defence}e2e4 b8c6 d2d4

{B00   KP: Nimzovich defence, Marshall gambit}e2e4 b8c6 d2d4 d7d5 e4d5 d8d5 b1c3

{B00   KP: Nimzovich defence, Bogolyubov variation}e2e4 b8c6 d2d4 d7d5 b1c3

{B00/05   KP: Nimzovich defence (2...e5)}e2e4 b8c6 d2d4 e7e5 d4e5 c6e5 g1f3 d8f6

{B00   KP: Nimzovich defence}e2e4 b8c6 g1f3

{B00/10   KP: Nimzovich with 3...d6 (Miles)}e2e4 b8c6 g1f3 d7d6 d2d4 g8f6 b1c3 c8g4 c1e3 e7e6 f1e2 f8e7 e1g1 e8g8

{B01   Scandinavian (centre counter) defence}e2e4 d7d5

{B01   Scandinavian defence}e2e4 d7d5 e4d5 g8f6

{B01   Scandinavian gambit}e2e4 d7d5 e4d5 g8f6 c2c4 c7c6

{B01   Scandinavian: Icelandic gambit}e2e4 d7d5 e4d5 g8f6 c2c4 e7e6

{B01   Scandinavian defence}e2e4 d7d5 e4d5 g8f6 d2d4

{B01/03   Scandinavian: Lanka-Hauchard variation}e2e4 d7d5 e4d5 g8f6 d2d4 c8g4 f2f3 g4f5 f1b5+ b8d7 c2c4 a7a6 b5d7+ d8d7 g1e2 e7e6 d5e6 d7e6 b2b3

{B01   Scandinavian: Marshall variation}e2e4 d7d5 e4d5 g8f6 d2d4 f6d5

{B01   Scandinavian: Kiel variation}e2e4 d7d5 e4d5 g8f6 d2d4 f6d5 c2c4 d5b4

{B01   Scandinavian: Mieses-Kotrvc gambit}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 b2b4

{B01   Scandinavian: Anderssen counter-attack}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5

{B01/14   Scandinavian defence, 5.Bc4}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 f1c4 c7c6 c1d2 c8f5

{B01   Scandinavian defence}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8f5

{B01   Scandinavian defence, Gruenfeld variation}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8f5 f3e5 c7c6 g2g4

{B01   Scandinavian defence, Lasker variation}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8g4 h2h3

{B01   Scandinavian: Pytel-Wade variation}e2e4 d7d5 e4d5 d8d5 b1c3 d5d6

{B02   Alekhine's defence: Maroczy variation}e2e4 g8f6 d2d3

{B02   Alekhine's defence}e2e4 g8f6 e4e5 f6d5

{B02   Alekhine's defence: two pawns attack, Mikenas variation}e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 c4c5 b6d5 f1c4 e7e6 b1c3 d7d6

{B02   Alekhine's defence: Kmoch variation}e2e4 g8f6 e4e5 f6d5 f1c4 d5b6 c4b3 c7c5 d2d3

{B02   Alekhine's defence: Saemisch attack}e2e4 g8f6 e4e5 f6d5 b1c3

{B02   Alekhine's defence: Brooklyn defence}e2e4 g8f6 e4e5 f6g8

{B02   Alekhine's defence: Scandinavian variation}e2e4 g8f6 b1c3 d7d5

{B02   Alekhine's defence: Spielmann variation}e2e4 g8f6 b1c3 d7d5 e4e5 f6d7 e5e6

{B02/04   Alekhine's defence, Scandinavian (2.Nc3)}e2e4 g8f6 b1c3 d7d5 e4d5 f6d5 f1c4 e7e6 g1f3 d5c3 b2c3 b8d7

{B03   Alekhine's defence}e2e4 g8f6 e4e5 f6d5 d2d4

{B03   Alekhine's defence}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6

{B03   Alekhine's defence}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4

{B03   Alekhine's defence: exchange variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 e5d6

{B03   Alekhine's defence: exchange, Karpov variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 e5d6 c7d6 g1f3 g7g6 f1e2 f8g7

{B03   Alekhine's defence: four pawns attack, Korchnoi variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 c8f5 b1c3 e7e6 g1f3 f8e7 f1e2 e8g8 e1g1 f7f6

{B03   Alekhine's defence: four pawns attack (6...Nc6)}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6

{B03   Alekhine's defence: four pawns attack, Tartakower variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 c1e3 c8f5 b1c3 e7e6 g1f3 d8d7 f1e2 e8c8 e1g1 f8e7

{B03   Alekhine's defence: four pawns attack, fianchetto variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 g7g6

{B03   Alekhine's defence: Balogh variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 f1c4

{B04   Alekhine's defence: modern variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3

{B04   Alekhine's defence: modern, Larsen variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 d6e5

{B04   Alekhine's defence: modern, fianchetto variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 g7g6

{B04   Alekhine's defence: modern, Keres variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 g7g6 f1c4 d5b6 c4b3 f8g7 a2a4

{B04   Alekhine's defence: modern, Schmid variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 d5b6

{B05   Alekhine's defence: modern, Flohr variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 f1e2 c7c6

{B06   Robatsch (modern, plus KID, Pirc, Caro-Kann, & Sicilian) openings}e2e4 g7g6 d2d4

{B06   Robatsch (modern) defence}e2e4 g7g6 d2d4 f8g7

{B06   Robatsch defence: three pawns attack}e2e4 g7g6 d2d4 f8g7 f2f4

{B06   Robatsch defence}e2e4 g7g6 d2d4 f8g7 b1c3

{B06/09   Robatsch defence: Gurgenidze variation}e2e4 g7g6 d2d4 f8g7 b1c3 c7c6 f2f4

{B06/09   Robatsch: Gurgenidze (Bc4)}e2e4 g7g6 d2d4 f8g7 b1c3 c7c6 f1c4 d7d6 d1f3 e7e6 g1e2 b8d7 c4b3 g8f6 e1g1

{B06   Robatsch (modern) defence}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6

{B06/19   Robatsch defence: Pseudo-Austrian attack}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 f2f4 c7c6 g1f3 c8g4 c1e3 d8b6

{B06/18   Robatsch defence: Pseudo-Austrian attack}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 f2f4 b8c6 c1e3

{B06/09   Pirc-Robatsch: 4.Be3 a6}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1e3 a7a6 d1d2 b7b5

{B06/16   Pirc-Robatsch: 4.Be3 c6}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1e3 c7c6 d1d2 b7b5 f2f3 b8d7 h2h4 h7h5 g1h3

{B06   Pirc-Robatsch (4.Be3 Nd7)}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1e3 b8d7

{B06   Pirc-Robatsch: 4.Be3 Nf6}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1e3 g8f6

{B06/11   Robatsch defence: 4.Bg5}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1g5 c7c6 d1d2 b7b5 f2f4 b8d7 g1f3

{B06   Robatsch defence: two knights variation}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 g1f3

{B06   Robatsch defence: two knights, Suttles variation}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 g1f3 c7c6

{B06   Robatsch defence}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6

{B06/06   Robatsch defence: 4.Bc4}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 f1c4 g8f6 d1e2 e8g8 e1g1 c8g4 e4e5

{B06   Pirc-Robatsch}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 f1d3

{B06/14   Robatsch defence: 4.Be2}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 f1e2

{B06   Robatsch defence (with ...c6)}e2e4 g7g6 d2d4 c7c6 g1f3 f8g7 b1c3 d7d5

{B06/01   Robatsch defence}e2e4 g7g6 d2d4 d7d6

{B06/02   Robatsch defence: three pawns attack}e2e4 g7g6 d2d4 d7d6 f2f4 f8g7

{B06/01   Robatsch defence: Root variation}e2e4 g7g6 d2d4 d7d6 b1c3 a7a6

{B06   Norwegian defence}e2e4 g7g6 d2d4 g8f6 e4e5 f6h5 g2g4 h5g7

{B06   Robatsch defence}e2e4 g7g6 b1c3 f8g7 g2g3 d7d6 f1g2 e7e5 d2d3 g8e7

{B06   Pirc-Robatsch}e2e4 d7d6 d2d4 g7g6 c1e3 f8g7 f1d3

{B07   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6

{B07/26   Pirc: g3/Nf3 main line}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 g1f3 b8d7 e1g1 e7e5

{B07/30   Pirc: g3}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 g1e2 e7e5 h2h3 b8c6 c1e3 e5d4 e2d4 c8d7 e1g1 f8e8 f1e1

{B07   Pirc: Holmov system}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1c4

{B07   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2

{B07   Pirc: Chinese variation}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2 f8g7 g2g4

{B07   Pirc: bayonet (Mariotti) attack}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2 f8g7 h2h4

{B07/42   Pirc: 150 attack}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1e3 c7c6 d1d2 f8g7 f2f3 b7b5 g2g4

{B07/42   Pirc: 150 attack}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 c7c6 d1d2 b7b5 g2g4 d8a5

{B07/40   Pirc: 150 attack}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 c7c6 d1d2 b7b5 e1c1

{B07   Pirc: 150 attack (4...Bg7)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1e3 f8g7 d1d2 f6g4

{B07   Pirc: Byrne variation}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1g5

{B07   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 a2a4

{B07   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 f2f4

{B07   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 f2f4 g7g6

{B07   Pirc: 3.Nc3 c6}e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 f2f4 d8a5 f1d3 e7e5 g1f3 b8d7

{B07   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 g2g3

{B07   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 f1d3

{B07   Pirc: Ufimtsev-Pytel variation (Pribyl defence)}e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 g1f3 c8g4 f1e2 e7e6

{B07/21   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 e7e5 d4e5 d6e5 d1d8+ e8d8 f1c4 c8e6 c4e6 f7e6 f2f3 b8c6 c1e3 f8d6

{B07/21   Pirc defence}e2e4 d7d6 d2d4 g8f6 b1c3 e7e5 d4e5 d6e5 d1d8+ e8d8 c1g5 c8e6 e1c1+ b8d7

{B07   Pirc: step variation}e2e4 d7d6 d2d4 g8f6 f2f3 e7e5 d4d5 f8e7

{B07/14   Pirc: 3.Bd3}e2e4 d7d6 d2d4 g8f6 f1d3 e7e5 c2c3 b8c6

{B07/12   Pirc: 3.Bd3}e2e4 d7d6 d2d4 g8f6 f1d3 g7g6 g1f3 f8g7 c2c3 e8g8 e1g1 b8c6

{B07/27   Pirc: g3}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g2g3 f8g7 f1g2 e8g8 g1e2 e7e5 e1g1 c7c6

{B07/30   Pirc-Robatsch}e2e4 g7g6 d2d4 d7d6 b1c3 f8g7 g1e2 g8f6 g2g3 e8g8 f1g2 b8c6 h2h3 e7e5 c1e3 a7a6

{B07/12   Pirc-Robatsch (3.c3)}e2e4 g7g6 d2d4 f8g7 c2c3 d7d6 g1f3 g8f6 f1d3 e8g8 e1g1 b8c6 h2h3

{B07   Pirc-Robatsch}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1e3

{B07   Pirc-Robatsch}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c3 g8f6

{B07   Pirc-QP}d2d4 g8f6 g2g3 g7g6 f1g2 f8g7 e2e4 d7d6

{B07   Pirc-QP}d2d4 g8f6 g2g3 g7g6 f1g2 f8g7 e2e4 d7d6 b1c3 e8g8

{B07/28   Pirc-QP}d2d4 g8f6 g2g3 g7g6 f1g2 f8g7 e2e4 d7d6 g1e2 e8g8 e1g1 e7e5 b1c3 b8d7 h2h3

{B07   Pirc-Queen's pawn-KID-East Indian}d2d4 g8f6 g1f3 g7g6 b1d2 f8g7

{B07   Benko-Pirc: g3}g2g3 g8f6 f1g2 g7g6 e2e4 d7d6 d2d4 f8g7 g1e2 e8g8

{B07/27   Benko-Pirc: g3}g2g3 g8f6 f1g2 g7g6 e2e4 d7d6 d2d4 f8g7 g1e2 e8g8 b1c3 e7e5

{B08   Pirc: classical (two knights) system}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7

{B08   Pirc: classical, h3 system}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 h2h3

{B08/02   Pirc: classical system (Bc4)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 f1c4 e8g8 e1g1

{B08   Pirc: classical system (5.Be2)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 f1e2

{B08/01   Pirc: classical system (5.Be3)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 c1e3 c7c6 d1d2 e8g8 e3h6 b7b5 f1d3

{B08/01   Pirc: classical system (Be3)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1e3 f8g7 g1f3 e8g8 d1d2 c7c6 e3h6 b7b5 f1d3

{B08/02   Pirc: classical system (Bc4)}e2e4 d7d6 g1f3 g8f6 b1c3 g7g6 d2d4 f8g7 f1c4 e8g8 e1g1 f6e4

{B08/25   Pirc: classical, modern main line}e2e4 g7g6 d2d4 d7d6 b1c3 g8f6 g1f3 f8g7 f1e2 e8g8 e1g1 c7c6 a2a4 b8d7 h2h3 e7e5 c1e3 d8e7

{B09   Pirc: Austrian attack}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4

{B09   Pirc: Austrian attack, Ljubojevic variation}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 f1c4

{B09   Pirc: Austrian attack, dragon formation}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 c7c5

{B09   Pirc: Austrian attack}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8

{B09   Pirc: Austrian attack (6.e5)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 e4e5

{B09   Pirc: Austrian attack (6.Bd3)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 f1d3

{B09/27   Pirc: Austrian attack (6.Bd3 Nc6 7.e5)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 f1d3 b8c6 e4e5 d6e5 f4e5 f6h5 c1e3

{B09/28   Pirc: Austrian attack (6.Bd3 Nc6 7.O-O)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 f1d3 b8c6 e1g1 c8g4 e4e5 d6e5 d4e5 f6d5 h2h3 d5c3 b2c3 g4f5 c1e3

{B09   Pirc: Austrian attack (6.Be3)}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 c1e3

{B09/16   Pirc: Austrian attack (5.Be3)}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 f2f4 b8c6 c1e3 g8f6 g1f3 e8g8 f1e2 e7e6

{B09   Pirc: Austrian attack, modern main line (6.Bd3 Nc6)}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 f2f4 g8f6 g1f3 e8g8 f1d3 b8c6

{B10   Caro-Kann defence}e2e4 c7c6

{B10   Caro-Kann: anti-Caro-Kann defence}e2e4 c7c6 c2c4

{B10   Caro-Kann: anti-anti-Caro-Kann defence}e2e4 c7c6 c2c4 d7d5

{B10   Caro-Kann: anti-anti-Caro-Kann, Neo-Nimzo-Gligoric}e2e4 c7c6 c2c4 d7d5 e4d5 c6d5 c4d5 g8f6 f1b5+ b8d7 b1c3 a7a6 d1a4

{B10/06   Caro-Kann: anti-anti-Caro-Kann, neo-QGD, semi-Tarrasch}e2e4 c7c6 c2c4 d7d5 e4d5 c6d5 c4d5 g8f6 b1c3 f6d5 g1f3

{B10/05   Caro-Kann (e5)}e2e4 c7c6 c2c4 e7e5 g1f3 d7d6 d2d4 c8g4

{B10   Caro-Kann: closed (Breyer) variation}e2e4 c7c6 d2d3

{B10/04   Caro-Kann: closed}e2e4 c7c6 d2d3 d7d5 b1d2 e7e5 g1f3 f8d6 g2g3 g8f6 f1g2 e8g8 e1g1 f8e8

{B10   Caro-Kann defence}e2e4 c7c6 b1c3

{B10   Caro-Kann: two knights variation}e2e4 c7c6 b1c3 d7d5 g1f3

{B10   Caro-Kann: Goldman (Spielmann) variation}e2e4 c7c6 b1c3 d7d5 d1f3

{B11   Caro-Kann: two knights (3...Bg4)}e2e4 c7c6 b1c3 d7d5 g1f3 c8g4

{B11/05   Caro-Kann: two knights (3...Bg4) main line}e2e4 c7c6 b1c3 d7d5 g1f3 c8g4 h2h3 g4f3 d1f3 g8f6 d2d3 e7e6 g2g3 f8b4 c1d2 d5d4

{B11/01   Caro-Kann: two knights (without 3...Bg4)}e2e4 c7c6 b1c3 d7d5 g1f3 d5e4 c3e4 g8f6 e4f6+ g7f6 d2d4 c8g4 f1e2

{B11/01   Caro-Kann: two knights (without 3...Bg4)}e2e4 c7c6 b1c3 d7d5 g1f3 d5e4 c3e4 g8f6 e4f6+ g7f6 g2g3

{B12   Caro-Kann defence}e2e4 c7c6 d2d4

{B12   Caro-Kann defence}e2e4 c7c6 d2d4 d7d5

{B12/02   Caro-Kann: 3.e5 c5}e2e4 c7c6 d2d4 d7d5 e4e5 c6c5 d4c5 e7e6

{B12/02   Caro-Kann: 3.e5 c5}e2e4 c7c6 d2d4 d7d5 e4e5 c6c5 d4c5 b8c6 f1b5 e7e6 c1e3 g8e7 c2c3 c8d7 b5c6 e7c6

{B12   Caro-Kann: advance variation}e2e4 c7c6 d2d4 d7d5 e4e5 c8f5

{B12/13   Caro-Kann: advance variation}e2e4 c7c6 d2d4 d7d5 e4e5 c8f5 b1c3 e7e6 g2g4 f5g6 g1e2 c6c5 h2h4 h7h5 e2f4 g6h7 f4h5 c5d4

{B12/19   Caro-Kann: advance (Karpov, Seirawan)}e2e4 c7c6 d2d4 d7d5 e4e5 c8f5 g1f3 e7e6 f1e2 c6c5 e1g1 b8c6 c2c3 c5d4 c3d4 g8e7 a2a3 f5e4

{B12/16   Caro-Kann: advance, main line}e2e4 c7c6 d2d4 d7d5 e4e5 c8f5 g1f3 e7e6 f1e2 b8d7 e1g1 g8e7 f3h4 f5g6 b1d2 c6c5 c2c3 e7c6

{B12   Caro-Kann: Tartakower (fantasy) variation}e2e4 c7c6 d2d4 d7d5 f2f3

{B12   Caro-Kann: 3.Nd2}e2e4 c7c6 d2d4 d7d5 b1d2

{B12   Caro-Masi defence}e2e4 c7c6 d2d4 g8f6

{B12/23   Caro-Kann-Robatsch}e2e4 g7g6 d2d4 c7c6 g1f3 d7d5 b1d2 f8g7 c2c3 g8h6 f1d3

{B13   Caro-Kann: exchange variation}e2e4 c7c6 d2d4 d7d5 e4d5

{B13   Caro-Kann: Panov-Botvinnik attack}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4

{B13   Caro-Kann: Panov-Botvinnik attack}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6

{B13   Caro-Kann: Panov-Botvinnik, Gunderam attack}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 c4c5

{B13   Caro-Kann: exchange (5.Nc3)}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5

{B13   Caro-Kann: Panov-Botvinnik, Herzog defence}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 d5c4 d4d5 c6a5

{B13   Caro-Kann: Panov-Botvinnik, normal variation}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 e7e6

{B13   Caro-Kann: Panov-Botvinnik, Czerniak variation}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 d8a5

{B13   Caro-Kann: Panov-Botvinnik, Reifir (Spielmann) variation}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 d8b6

{B13/08   Caro-Kann: Panov-Botvinnik attack (6.Nf3)}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 g1f3 c8g4 c4d5 f6d5 d1b3 g4f3 g2f3 d5b6 d4d5 c6d4 f1b5+ b6d7 b3a4

{B13   Caro-Kann: exchange, Rubinstein variation}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 f1d3 b8c6 c2c3 g8f6 c1f4

{B14   Caro-Kann: Panov-Botvinnik attack}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3

{B14   Caro-Kann: Panov-Botvinnik attack (5...e6)}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6

{B14/12   Caro-Kann: Panov-Botvinnik attack ...e6}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6 g1f3 f8b4

{B14/13   Caro-Kann: Panov-Botvinnik attack ...e6 main line}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6 g1f3 f8b4 c4d5 f6d5 c1d2 b8c6 f1d3 b4e7 e1g1 e8g8

{B14/11   Caro-Kann: Panov-Botvinnik attack (6...Be7)}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6 g1f3 f8e7

{B14   Caro-Kann: Panov-Botvinnik attack (5...g6)}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 g7g6

{B14/11   Caro-Kann: Panov-Botvinnik attack (Nf3/Bg5)}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 g1f3 e7e6 c1g5 f8e7 c4c5 e8g8 f1d3

{B14/03   Sicilian Alapin/Gruenfeld/Caro-Kann: Panov-Botvinnik}e2e4 c7c5 c2c3 g7g6 d2d4 c5d4 c3d4 d7d5 e4d5 g8f6 b1c3 f6d5 d1b3 d5b6 d4d5

{B15   Caro-Kann defence}e2e4 c7c6 d2d4 d7d5 b1c3

{B15   Caro-Kann: Rasa-Studier gambit}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 f2f3

{B15   Caro-Kann defence}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4

{B15   Caro-Kann: old defence}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6

{B15   Caro-Kann: Alekhine gambit}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 f1d3

{B15   Caro-Kann: Tartakower (Nimzovich) variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6+ e7f6

{B15   Caro-Kann: Forgacs variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6+ e7f6 f1c4

{B15/06   Caro-Kann: Gurgenidze}e2e4 c7c6 d2d4 d7d5 b1c3 g7g6 e4e5 f8g7 f2f4 h7h5

{B15/06   Caro-Kann: Gurgenidze (6.Be3)}e2e4 c7c6 d2d4 d7d5 b1c3 g7g6 e4e5 f8g7 f2f4 h7h5 c1e3 g8h6 g1f3 c8g4 h2h3 g4f3 d1f3 h5h4 f1d3 e7e6 e3f2 b8d7

{B15/02   Caro-Kann: Gurgenidze system}e2e4 c7c6 d2d4 d7d5 b1c3 g7g6 g1f3 f8g7 h2h3 g8h6 c1f4 f7f6 e4d5 c6d5 c3b5

{B15/01   Caro-Kann: ...g6 f3}e2e4 c7c6 d2d4 g7g6 b1c3 f8g7 c1e3 d7d5 f2f3

{B15/07   Caro-Kann: Gurgenidze (f4 e5)}e2e4 g7g6 d2d4 f8g7 b1c3 c7c6 f2f4 d7d5 e4e5 g8h6 g1f3 c8g4 h2h3

{B16   Caro-Kann: Bronstein-Larsen variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6+ g7f6

{B16/01   Caro-Kann: Bronstein-Larsen variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6+ g7f6 g1f3

{B17   Caro-Kann: Petrosian-Smyslov variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7

{B17   Caro-Kann: Petrosian-Smyslov variation (5.Bc4)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 f1c4 g8f6 e4g5 e7e6 d1e2 d7b6

{B17/15   Caro-Kann: Petrosian-Smyslov variation (5.Bc4/8.Bb3)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 f1c4 g8f6 e4g5 e7e6 d1e2 d7b6 c4b3 h7h6 g5f3 c6c5

{B17/22   Caro-Kann: Petrosian-Smyslov variation (5.Bc4/8.Bd3)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 f1c4 g8f6 e4g5 e7e6 d1e2 d7b6 c4d3 h7h6 g5f3 c6c5 d4c5 f8c5 f3e5 b6d7

{B17/33   Caro-Kann: Petrosian-Smyslov classical (6.Ng3)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 g1f3 g8f6 e4g3 e7e6 f1d3 c6c5 e1g1 c5d4

{B17/28   Caro-Kann: Petrosian-Smyslov classical (6.Nxf6+)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 g1f3 g8f6 e4f6+ d7f6

{B17/09   Caro-Kann: Petrosian-Smyslov variation (5.Ng5)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 e4g5 g8f6 f1d3 e7e6 g1f3 f8d6 d1e2 h7h6 g5e4 f6e4 e2e4 d7f6 e4e2 d8c7

{B18   Caro-Kann: classical variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5

{B18   Caro-Kann: classical, Maroczy attack}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 f2f4

{B18/06   Caro-Kann: classical (6.h4)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6

{B18/03   Caro-Kann: classical (6.Nf3)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 g1f3 b8d7 f1d3 e7e6 e1g1

{B18/07   Caro-Kann: classical (6.h4 h6)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6 f2f4 e7e6 g1f3

{B18   Caro-Kann: classical, Flohr variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 g1h3

{B19   Caro-Kann: classical (7...Nd7)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6 g1f3

{B19   Caro-Kann: classical, Spassky variation}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6 g1f3 b8d7 h4h5

{B19   Caro-Kann: classical, Spassky variation, intermediate main line :pwo 11/01 add}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6 g1f3 b8d7 h4h5 g6h7 f1d3 h7d3 d1d3

{B19/10   Caro-Kann: classical, Spassky variation, modern main line}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 g1f3 b8d7 h2h4 h7h6 h4h5 g6h7 f1d3 h7d3 d1d3 e7e6 c1d2 d8c7 e1c1 g8f6 g3e4 e8c8 g2g3 f6e4 d3e4 f8d6 c2c4 c6c5

{B19/01   Caro-Kann: classical (without ...Nd7)}e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 g1f3 g8f6 h2h4 h7h6 f3e5 g6h7 f1c4 e7e6 d1e2 f6d5 c4b3

{B20   Sicilian defence}e2e4 c7c5

{B20   Sicilian defence}e2e4 c7c5 b2b3

{B20/06   Sicilian: Blatny-Serper variation}e2e4 c7c5 b2b3 b8c6 c1b2 e7e5 f2f4 e5f4 g1f3 g8f6 e4e5 f6h5

{B20   Sicilian: wing gambit}e2e4 c7c5 b2b4

{B20   Sicilian: wing gambit, Marshall variation}e2e4 c7c5 b2b4 c5b4 a2a3

{B20   Sicilian: wing gambit, Carlsbad variation}e2e4 c7c5 b2b4 c5b4 a2a3 b4a3

{B20   Sicilian: wing gambit, Marienbad variation}e2e4 c7c5 b2b4 c5b4 a2a3 d7d5 e4d5 d8d5 c1b2

{B20   Sicilian (plus symmetrical English) openings}e2e4 c7c5 c2c4

{B20   Sicilian: Gloria variation}e2e4 c7c5 c2c4 d7d6 b1c3 b8c6 g2g3 h7h5

{B20/01   Sicilian: Neo-King's Indian attack-Reti}e2e4 c7c5 d2d3 d7d6 g1f3 g8f6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8 b1d2 b8c6 c2c3

{B20/05   Sicilian: Short variation (f4)}e2e4 c7c5 d2d3 b8c6 f2f4 g7g6 g1f3 f8g7 f1e2 e7e6

{B20/05   Sicilian: Neo-King's Indian attack-Reti}e2e4 c7c5 d2d3 b8c6 g2g3 d7d5 b1d2 g8f6 f1g2 e7e5

{B20   Sicilian: Steinitz variation}e2e4 c7c5 g2g3

{B20   Sicilian: Cochrane (Burger) attack}e2e4 c7c5 f1c4

{B20   Sicilian: Cochrane attack}e2e4 c7c5 f1c4 e7e6 g1f3 b8c6

{B20   Sicilian: Cochrane attack}e2e4 c7c5 f1c4 b8c6 g1f3 e7e6

{B20   Sicilian: Keres variation (2.Ne2)}e2e4 c7c5 g1e2

{B20   Benko Sicilian}g2g3 g7g6 f1g2 f8g7 e2e4 c7c5 g1e2 b8c6 e1g1

{B21   Sicilian: Smith-Morra gambit}e2e4 c7c5 d2d4

{B21/05   Sicilian: Smith-Morra gambit}e2e4 c7c5 d2d4 c5d4 c2c3

{B21/05   Sicilian: Smith-Morra gambit (...d3)}e2e4 c7c5 d2d4 c5d4 c2c3 d4d3 f1d3 b8c6 c3c4

{B21   Sicilian: Smith-Morra gambit}e2e4 c7c5 d2d4 c5d4 c2c3 d4c3 b1c3 b8c6 g1f3

{B21   Sicilian: Smith-Morra gambit, Chicago defence}e2e4 c7c5 d2d4 c5d4 c2c3 d4c3 b1c3 b8c6 g1f3 d7d6 f1c4 e7e6 e1g1 a7a6 d1e2 b7b5 c4b3 a8a7

{B21/06   Sicilian: Smith-Morra gambit, Chicago defence (...Nf6)}e2e4 c7c5 d2d4 c5d4 c2c3 d4c3 b1c3 b8c6 g1f3 d7d6 f1c4 e7e6 e1g1 g8f6 d1e2 f8e7 f1d1 e6e5

{B21/05   Sicilian: Smith-Morra gambit (...e6)}e2e4 c7c5 d2d4 c5d4 c2c3 d4c3 b1c3 b8c6 g1f3 e7e6 f1c4

{B21   Sicilian: Andreaschek (Smith-Morra) gambit}e2e4 c7c5 d2d4 c5d4 g1f3 e7e5 c2c3

{B21   Sicilian: Grand Prix attack}e2e4 c7c5 f2f4

{B21   Sicilian: Grand Prix, Tal gambit}e2e4 c7c5 f2f4 d7d5 e4d5 g8f6

{B21/01   Sicilian: Grand Prix, Nikitin defence (2...e6)}e2e4 c7c5 f2f4 e7e6 g1f3 d7d5 f1b5+

{B22   Sicilian: Alapin's variation (2.c3)}e2e4 c7c5 c2c3

{B22   Sicilian: Alapin (...d5 exd5...Qxd5)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5

{B22/16   Sicilian: Alapin (...d5 exd5...Qxd5)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 c5d4 c3d4 b8c6 g1f3 e7e6 b1c3

{B22/13   Sicilian: Alapin (...d5 exd5...Qxd5)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 c5d4 c3d4 b8c6 g1f3 c8g4 f1e2 e7e6 e1g1 g8f6

{B22/25   Sicilian: Alapin (6.Bd3)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 e7e6 g1f3 g8f6 f1d3 f8e7 e1g1 e8g8 d1e2 c5d4 c3d4 b8c6 c1e3 b7b6 b1c3 d5d6 a2a3 c8b7 a1d1

{B22/25   Sicilian: Alapin (6.Bd3)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 e7e6 g1f3 g8f6 f1d3 b8c6 e1g1 c5d4 c3d4 f8e7 b1c3 d5d6 c1e3 e8g8 a2a3 b7b6 d1e2 c8b7 a1d1

{B22/12   Sicilian: Alapin (...Qxd5 without...Nf6)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 b8c6 g1f3 c5d4 c3d4 e7e5 b1c3 f8b4 c1d2 b4c3 d2c3 e5e4 f3e5 c6e5 d4e5 g8e7 d1a4+ c8d7

{B22/12   Sicilian: Alapin (...d5 exd5...Qxd5)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 b8c6 g1f3 c5d4 c3d4 c8g4

{B22/12   Sicilian: Alapin Trap}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 b8c6 g1f3 c5d4 c3d4 c8g4 b1c3 d5a5 d4d5 c6e5

{B22/22   Sicilian: Alapin (...Qxd5 with...Nf6)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 g8f6 g1f3 e7e6 f1e2 b8c6 e1g1 c5d4 c3d4 f8e7 b1c3 d5d6

{B22/16   Sicilian: Alapin (...Qxd5 with...Nf6/Bg4)}e2e4 c7c5 c2c3 d7d5 e4d5 d8d5 d2d4 g8f6 g1f3 c8g4 f1e2 e7e6 h2h3 g4h5 e1g1 b8c6 c1e3 c5d4 c3d4 f8e7 b1c3 d5d6 d1b3 e8g8

{B22/04   Sicilian: Alapin (2...d6)}e2e4 c7c5 c2c3 d7d6 d2d4 g8f6 f1d3 g7g6 h2h3 f8g7 g1f3 e8g8 e1g1 b8c6

{B22/09   Sicilian: Alapin ...e6 (Karpov)}e2e4 c7c5 c2c3 e7e6 d2d4 d7d5 e4d5 e6d5 g1f3 b8c6 f1e2 f8d6 d4c5 d6c5

{B22   Sicilian: Alapin's variation}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 d2d4

{B22   Sicilian-Alekhine-Alapin}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 d2d4 c5d4 c3d4 e7e6 g1f3 d7d6

{B22   Sicilian-Alekhine-Alapin phantom line}e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 c4c5 b6d5 d2d4 d7d6 c5d6 c7d6 g1f3 e7e6

{B22/32   Sicilian-Alekhine-Alapin (6...b6)}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 d2d4 c5d4 g1f3 e7e6 c3d4 b7b6 f1d3 f8b4+ c1d2 b4d2+ d1d2 c8a6

{B22/34   Sicilian-Alekhine-Alapin (6...b6)}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 d2d4 c5d4 g1f3 e7e6 c3d4 b7b6 b1c3 d5c3 b2c3 d8c7 c1d2 c8b7 f1d3 d7d6 e1g1 b8d7 f1e1 d6e5 f3e5 d7e5 e1e5 f8d6 e5h5 g7g6

{B22/40   Sicilian-Alekhine-Alapin}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 d2d4 b8c6 g1f3 c5d4 c3d4 d7d6 f1c4 e7e6 e1g1 f8e7 d1e2 e8g8 b1c3 d5c3 b2c3 d6e5 d4e5 d8c7 e2e4

{B22/27   Sicilian: Alapin (5.Bc4)}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 g1f3 b8c6 f1c4 d5b6 c4b3 c5c4 b3c2 d8c7 d1e2 g7g5 e5e6 d7e6

{B22/27   Sicilian: Alapin (5.Bc4)}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 g1f3 b8c6 f1c4 d5b6 c4b3 d7d5 e5d6 d8d6 e1g1

{B22   Sicilian: 2.c3, Heidenfeld variation}e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 g1f3 b8c6 b1a3

{B22/19   Sicilian: Alapin's variation (Smith-Morra gambit)}e2e4 c7c5 d2d4 c5d4 c2c3 g8f6 e4e5 f6d5

{B22   Sicilian: Alapin (...d5 exd5...exd5)}e2e4 c7c5 g1f3 e7e6 c2c3 d7d5 e4d5 e6d5 d2d4

{B22   Sicilian: Alapin (...d5 exd5...Qxd5)}e2e4 c7c5 g1f3 e7e6 c2c3 d7d5 e4d5 d8d5

{B22   Sicilian-Alekhine-Alapin}e2e4 c7c5 g1f3 e7e6 c2c3 g8f6 e4e5 f6d5 d2d4 c5d4 c3d4

{B22   Sicilian: Alapin's variation (3.c3)}e2e4 c7c5 g1f3 b8c6 c2c3

{B22/03   Sicilian: Alapin's variation (3.c3 e5)}e2e4 c7c5 g1f3 b8c6 c2c3 e7e5 f1c4 d8c7 e1g1 f8e7

{B22   Sicilian-Alekhine-Alapin}e2e4 c7c5 g1f3 b8c6 c2c3 g8f6 e4e5 f6d5 d2d4

{B23   Sicilian: closed}e2e4 c7c5 b1c3

{B23/09   Sicilian: Grand Prix attack}e2e4 c7c5 b1c3 d7d6 f2f4 b8c6 g1f3 g7g6 f1c4 f8g7 e1g1 e7e6 d2d3 g8e7 d1e1 e8g8

{B23   Sicilian: closed, Korchnoi variation}e2e4 c7c5 b1c3 e7e6 g2g3 d7d5

{B23   Sicilian: Cochrane attack (3.Bc4)}e2e4 c7c5 b1c3 e7e6 f1c4

{B23   Sicilian: Cochrane attack, Pillars variation}e2e4 c7c5 b1c3 e7e6 f1c4 b8c6 g1f3 a7a6 a2a4 g8f6 d2d3

{B23   Sicilian: closed (2...Nc6)}e2e4 c7c5 b1c3 b8c6

{B23   Sicilian: Grand Prix attack}e2e4 c7c5 b1c3 b8c6 f2f4

{B23/05   Sicilian: Grand Prix attack, 3...e6 defence}e2e4 c7c5 b1c3 b8c6 f2f4 e7e6 g1f3 g8e7 g2g3 g7g6 f1g2 f8g7 e1g1

{B23/10   Sicilian: Grand Prix attack, 5.Bb5 main line}e2e4 c7c5 b1c3 b8c6 f2f4 g7g6 g1f3 f8g7 f1b5 c6d4 e1g1 d4b5 c3b5 d7d6

{B23/11   Sicilian: Grand Prix attack, Schofman variation}e2e4 c7c5 b1c3 b8c6 f2f4 g7g6 g1f3 f8g7 f1c4 e7e6 f4f5

{B23/11   Sicilian: Grand Prix attack, Schofman variation, main line}e2e4 c7c5 b1c3 b8c6 f2f4 g7g6 g1f3 f8g7 f1c4 e7e6 f4f5 g8e7 f5e6 f7e6 d2d3 d7d5 c4b3 b7b5

{B23   Sicilian: Mieses-Spassky attack (Bb5)}e2e4 c7c5 b1c3 b8c6 f1b5 c6d4 b5c4 g7g6

{B23   Sicilian: chameleon variation}e2e4 c7c5 b1c3 b8c6 g1e2

{B23   Sicilian: Cochrane attack (3.Bc4)}e2e4 c7c5 f1c4 e7e6 b1c3

{B23   Neo-Sicilian: Grand Prix attack}e2e4 d7d6 b1c3 g7g6 f2f4 f8g7 g1f3 c7c5 f1c4 e7e6 e1g1 g8e7

{B23   Neo-Sicilian: Grand Prix attack}f2f4 c7c5 g1f3 g7g6 e2e4 d7d6 b1c3 f8g7

{B24   Sicilian: closed}e2e4 c7c5 b1c3 b8c6 g2g3

{B24   Sicilian: closed, Smyslov variation}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 e7e6 c1e3 c6d4 c3e2

{B24   Sicilian: closed, modern Botvinnik variation}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1e2 e7e6 e1g1 g8e7 d2d3 d7d6

{B24/01   Sicilian: closed (Nc3...e6)}e2e4 c7c5 b1c3 e7e6 g2g3 b8c6 f1g2 g8f6 d2d3 d7d5 e4d5 e6d5 g1e2

{B25   Sicilian: closed}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6

{B25   Sicilian: closed, Spassky variation (6.f4)}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4

{B25   Sicilian: closed (6.f4 e5) Botvinnik}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4 e7e5

{B25/05   Sicilian: closed (6.f4 e6)}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4 e7e6 g1f3 g8e7 e1g1 e8g8 c1e3 c6d4

{B25/03   Sicilian: closed, Spassky variation}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4 g8f6 g1f3 e8g8 e1g1 a8b8 h2h3 b7b5 g3g4 b5b4

{B25   Sicilian: closed (6.Ne2 e5) Botvinnik}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 g1e2 e7e5

{B25   Sicilian: Grand Prix attack}e2e4 c7c5 b1c3 b8c6 f2f4 g7g6 g1f3 f8g7 d2d3 d7d6 g2g3 e7e6 f1g2 g8e7

{B25   Sicilian: Grand Prix attack}e2e4 c7c5 b1c3 b8c6 f2f4 g7g6 g1f3 f8g7 g2g3 d7d6 f1g2 e7e6 d2d3 g8e7

{B25/03   Neo-Sicilian: Grand Prix attack, Spassky variation}e2e4 d7d6 b1c3 g7g6 f2f4 f8g7 g1f3 g8f6 g2g3 e8g8 f1g2 c7c5 d2d3 b8c6

{B25/03   Neo-Sicilian: Grand Prix attack, Spassky variation}e2e4 d7d6 b1c3 g8f6 f2f4 g7g6 g1f3 f8g7 g2g3

{B25   Sicilian: closed, Spassky variation}f2f4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 c7c5 d2d3 b8c6 e2e4 d7d6 b1c3

{B26   Sicilian: closed (6.Be3)}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 c1e3

{B26/05   Sicilian: closed (6.Be3)}e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 c1e3 e7e6 d1d2 a8b8 g1e2 c6d4

{B27   Sicilian defence: King's knight variation}e2e4 c7c5 g1f3

{B27   Sicilian: Hungarian variation}e2e4 c7c5 g1f3 g7g6

{B27/03   Sicilian: Hungarian variation}e2e4 c7c5 g1f3 g7g6 d2d4 c5d4 d1d4 g8f6 f1b5 b8c6 b5c6 d7c6

{B27   Sicilian: Katalimov variation}e2e4 c7c5 g1f3 b7b6

{B27   Sicilian: Quinteros variation}e2e4 c7c5 g1f3 d8c7

{B27/02   Sicilian: c3...g6}e2e4 c7c5 c2c3 g7g6 g1f3

{B27   Robatsch: Sicilian defence}e2e4 g7g6 d2d4 f8g7 g1f3 c7c5 d4c5 d8a5+ b1c3

{B28   Sicilian: O'Kelly variation}e2e4 c7c5 g1f3 a7a6

{B28/03   Sicilian: O'Kelly variation (3.c3 d5)}e2e4 c7c5 g1f3 a7a6 c2c3 d7d5 e4d5 d8d5 d2d4 e7e6

{B28/04   Sicilian: O'Kelly variation (3.c4)}e2e4 c7c5 g1f3 a7a6 c2c4 b8c6 d2d4 c5d4 f3d4

{B28/01   Sicilian: O'Kelly variation (3.d4)}e2e4 c7c5 g1f3 a7a6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4f3 f8b4 f1c4

{B29   Sicilian: Nimzovich-Rubinstein variation}e2e4 c7c5 g1f3 g8f6

{B29   Sicilian: Nimzovich-Rubinstein, Rubinstein counter-gambit}e2e4 c7c5 g1f3 g8f6 e4e5 f6d5 b1c3 e7e6 c3d5 e6d5 d2d4 b8c6

{B29   Sicilian: Nimzovich-Rubinstein (plus Scheveningen)}e2e4 c7c5 g1f3 g8f6 b1c3

{B30   Sicilian defence}e2e4 c7c5 g1f3 b8c6

{B30   Sicilian defence}e2e4 c7c5 g1f3 b8c6 c2c3 d7d5 e4d5

{B30   Sicilian defence}e2e4 c7c5 g1f3 b8c6 g2g3 b7b6 f1g2

{B30   Sicilian: Nimzovich-Rossolimo attack}e2e4 c7c5 g1f3 b8c6 f1b5

{B30   Sicilian: Nimzovich-Rossolimo attack (3...e6)}e2e4 c7c5 g1f3 b8c6 f1b5 e7e6

{B30/15   Sicilian: Nimzovich-Rossolimo attack (4.Bxc6 5.d3 Hennigan)}e2e4 c7c5 g1f3 b8c6 f1b5 e7e6 b5c6 b7c6 d2d3 g8e7 e1g1 e7g6 f3g5

{B30/11   Sicilian: Nimzovich-Rossolimo attack (5.b3)}e2e4 c7c5 g1f3 b8c6 f1b5 e7e6 e1g1 g8e7 b2b3 a7a6 b5c6 e7c6 c1b2 b7b5

{B30/12   Sicilian: Nimzovich-Rossolimo attack (5.c3)}e2e4 c7c5 g1f3 b8c6 f1b5 e7e6 e1g1 g8e7 c2c3 a7a6 b5a4 b7b5 a4c2 c8b7

{B30   Sicilian: Nimzovich-Rossolimo attack, Zagrebelny variation}e2e4 c7c5 g1f3 b8c6 f1b5 e7e6 e1g1 g8e7 b1c3 a7a6 b5c6 e7c6 d2d4 c5d4 f3d4 d8c7 d4c6

{B30/10   Sicilian: Nimzovich-Rossolimo attack (5.Re1)}e2e4 c7c5 g1f3 b8c6 f1b5 e7e6 e1g1 g8e7 f1e1 a7a6 b5f1 d7d5

{B30   Sicilian defence (Scheveningen, Richter-Rauzer, dragon)}e2e4 c7c5 g1f3 b8c6 b1c3 d7d6

{B30/05   Sicilian defence (3.Nc3, 4.Bb5)}e2e4 c7c5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 e4e5 d4b5 c3b5 f6d5 f3g5 f7f5 e1g1

{B30   Sicilian defence}e2e4 c7c5 g1f3 e7e6 b1c3 b8c6 f1b5 c6d4 e1g1 a7a6 b5d3 g8e7 f3d4 c5d4 c3e2 e7c6

{B30   Sicilian defence}e2e4 c7c5 b1c3 b8c6 g1f3 e7e5 f1c4 d7d6 d2d3 f8e7 c3d5 g8f6

{B31   Sicilian: Nimzovich-Rossolimo attack (with...g6, without...d6)}e2e4 c7c5 g1f3 b8c6 f1b5 g7g6

{B31/03   Sicilian: Nimzovich-Rossolimo attack (4.Bxc6)}e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 b5c6 d7c6 d2d3 f8g7 h2h3 e7e5 c1e3 d8e7 b1c3 g8f6 d1d2 f6d7 e3h6 f7f6

{B31/14   Sicilian: Nimzovich-Rossolimo attack (5.c3)}e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 e1g1 f8g7 c2c3 g8f6 f1e1 e8g8 d2d4 c5d4 c3d4 d7d5 e4e5 f6e4

{B31/12   Sicilian: Nimzovich-Rossolimo attack (5.Re1)}e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 e1g1 f8g7 f1e1 g8f6 e4e5 f6d5 b1c3 d5c7 b5c6 d7c6 c3e4 c7e6

{B31   Sicilian: Nimzovich-Rossolimo attack, Gurgenidze variation}e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 e1g1 f8g7 f1e1 e7e5 b2b4

{B31/12   Sicilian: Nimzovich-Rossolimo attack, modern line}e2e4 c7c5 g1f3 b8c6 f1b5 g8f6 e4e5 f6d5 e1g1 g7g6 f1e1 f8g7

{B32   Sicilian defence}e2e4 c7c5 g1f3 b8c6 d2d4

{B32   Sicilian: Nimzovich variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d7d5

{B32   Sicilian: Labourdonnais-Loewenthal variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5

{B32   Sicilian: Labourdonnais-Loewenthal (Kalishnikov) variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5 d4b5 d7d6

{B32/13   Sicilian: Kalishnikov, Neo-Sveshnikov variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5 d4b5 d7d6 c2c4 f8e7 b1c3 a7a6 b5a3 h7h6

{B32/10   Sicilian: Kalishnikov, Neo-Sveshnikov variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5 d4b5 d7d6 b1c3 a7a6 b5a3 b7b5 c3d5 g8e7 c2c4 c6d4 c4b5 e7d5 e4d5 c8d7 c1e3

{B32   Sicilian: Flohr (Lady Godiva) variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d8c7

{B33   Sicilian defence}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6

{B33   Sicilian: Pelikan (Lasker-Sveshnikov) variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5

{B33/09   Sicilian: Sveshnikov variation: a4}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 a2a4 a7a6 b5a3 c8e6 c1g5 a8c8 f1c4 f8e7 g5f6 e7f6

{B33   Sicilian: Pelikan, Chelyabinsk variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5

{B33   Sicilian: Sveshnikov variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 g5f6 g7f6 c3d5 f6f5

{B33/42   Sicilian: Sveshnikov variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 g5f6 g7f6 c3d5 f6f5 f1d3 c8e6 d1h5 f8g7 e1g1 f5f4 c2c4 b5c4 d3c4 e8g8 a1c1 a8b8 b2b3 d8d7 f1d1 g8h8 h5h4

{B33/43   Sicilian: Sveshnikov (11.Bd3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 g5f6 g7f6 c3d5 f6f5 f1d3 c8e6 d1h5 h8g8 g2g3 g8g4

{B33/30   Sicilian: Sveshnikov, Novosibirsk variation (Kramnik)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 g5f6 g7f6 c3d5 f8g7 g2g3 f6f5 e4f5 e5e4

{B33/32   Sicilian: Sveshnikov, Novosibirsk variation (11.Bd3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 g5f6 g7f6 c3d5 f8g7 f1d3 c6e7 d5e7 d8e7 c2c4 f6f5 e1g1 e8g8 d1h5

{B33/27   Sicilian: Sveshnikov (9.Nd5)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 c3d5 f8e7 g5f6 e7f6 c2c3 e8g8 a3c2 f6g5 f1e2 a8b8 e1g1 a6a5 d1d3 c8e6

{B33   Sicilian: Pelikan, Bird variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 c8e6

{B33/04   Sicilian: Neo-Pelikan (...Qb6 Nb3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d8b6 d4b3 g8f6 b1c3 e7e6 f1d3 f8e7 e1g1 d7d5 e4d5 e6d5

{B34   Sicilian: accelerated fianchetto, exchange variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6

{B34/05   Sicilian: accelerated fianchetto, exchange (5.Be3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c1e3 f8g7 b1c3 g8f6 f1e2 e8g8 e1g1 d7d5 e4d5 f6d5 c3d5

{B34/03   Sicilian: accelerated fianchetto, exchange (6.Be3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 d4c6 b7c6 e4e5 f6g8 f2f4 g8h6

{B34   Sicilian: accelerated fianchetto, exchange (Nc3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 d4b3

{B34   Sicilian: accelerated fianchetto, exchange variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 d4c6

{B35   Sicilian: accelerated fianchetto, Uogele variation (Bc4)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4

{B35/07   Sicilian: accelerated fianchetto, Uogele (Sax)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4 e8g8 c4b3 a7a5 a2a4 f6g4 d1g4 c6d4

{B35/07   Sicilian: accelerated fianchetto, Uogele variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4 e8g8 c4b3 a7a5 f2f3 d7d5 b3d5 f6d5 e4d5 c6b4 d4e2 c8f5

{B36   Sicilian: accelerated fianchetto, Maroczy bind}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4

{B36/07   Sicilian: accelerated fianchetto, Maroczy bind, Gurgenidze}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 g8f6 b1c3 d7d6 f1e2 c6d4 d1d4 f8g7 c1g5 e8g8 d4d2 c8e6 a1c1 d8a5 f2f3 f8c8 b2b3 a7a6 c3a4

{B36   Sicilian: accelerated fianchetto, Gurgenidze variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 g8f6 b1c3 c6d4 d1d4 d7d6

{B36   Sicilian: accelerated fianchetto, Maroczy bind}e2e4 c7c5 g1f3 g7g6 d2d4 c5d4 f3d4 b8c6 c2c4

{B37   Sicilian: accelerated fianchetto, Maroczy bind (5...Bg7)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7

{B37   Sicilian: accelerated fianchetto, Simagin variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 d4c2 d7d6 f1e2 g8h6

{B37   Sicilian: accelerated fianchetto, Maroczy bind (...Bg7)}e2e4 c7c5 g1f3 g7g6 d2d4 c5d4 f3d4 f8g7 c2c4 b8c6

{B38   Sicilian: accelerated fianchetto, Maroczy bind (6.Be3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3

{B38/06   Sicilian: accelerated fianchetto, Maroczy bind (6.Be3 Nf6)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3 g8f6 b1c3 d7d6 f1e2 e8g8 e1g1 c8d7

{B38/07   Sicilian: accelerated fianchetto, Maroczy bind (6.Be3 Nf6)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3 g8f6 b1c3 e8g8 f1e2 d7d6 e1g1 c8d7 d1d2 c6d4 e3d4 d7c6 f2f3 a7a5 b2b3 f6d7 d4e3 d7c5 a1b1 d8b6 f1c1 f8c8 c1c2 b6d8

{B38/07   Sicilian: accelerated fianchetto, Maroczy bind (6.Be3 Nf6)}c2c4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 e2e4 f8g7 c1e3 g8f6 b1c3 e8g8 f1e2 d7d6 e1g1 c8d7 d1d2 c6d4

{B38/03   Sicilian: accelerated fianchetto, Maroczy bind (6.Be3)}d2d4 g7g6 e2e4 f8g7 c2c4 c7c5 g1f3 c5d4 f3d4 b8c6 c1e3 g8f6 b1c3 e8g8 f1e2

{B38/07   Sicilian: accelerated fianchetto, Maroczy bind (6.e4 d6)}d2d4 g8f6 c2c4 g7g6 g1f3 c7c5 b1c3 c5d4 f3d4 f8g7 e2e4 d7d6 f1e2 e8g8 e1g1 b8c6 c1e3 c8d7 d1d2 c6d4 e3d4 d7c6 f2f3 a7a5

{B39   Sicilian: accelerated fianchetto, Breyer variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3 g8f6 b1c3 f6g4

{B40   Sicilian defence}e2e4 c7c5 g1f3 e7e6

{B40/01   Sicilian defence: Honfi variation (b3)}e2e4 c7c5 g1f3 e7e6 b2b3 b7b6 c1b2 c8b7 b1c3 a7a6 d2d4

{B40/02   Sicilian defence}e2e4 c7c5 g1f3 e7e6 c2c3 d7d5 e4e5 d5d4 f1d3 b8c6 e1g1

{B40   Sicilian defence}e2e4 c7c5 g1f3 e7e6 c2c3 g8f6 e4e5

{B40/01   Sicilian: English symmetrical}e2e4 c7c5 g1f3 e7e6 c2c4 b8c6 b1c3

{B40   Sicilian-KIA}e2e4 c7c5 g1f3 e7e6 d2d3 b8c6

{B40/01   Sicilian: double fianchetto, KIA}e2e4 c7c5 g1f3 e7e6 d2d3 b8c6 g2g3 g7g6

{B40/01   Sicilian-KIA (...d5 Nbd2)}e2e4 c7c5 g1f3 e7e6 d2d3 b8c6 g2g3 g7g6 c1g5

{B40   Sicilian defence}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4

{B40   Sicilian: Anderssen variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6

{B40   Sicilian: Pin variation (Sicilian counter-attack)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4

{B40   Sicilian: Pin, Koch variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4 e4e5

{B40   Sicilian: Marshall variation}e2e4 c7c5 g1f3 e7e6 d2d4 d7d5

{B40/03   Sicilian (Nimzovich-Rossolimo & Kan)}e2e4 c7c5 g1f3 e7e6 b1c3

{B40/03   Sicilian: fianchetto (...e6 Nc3...a6)}e2e4 c7c5 g1f3 e7e6 b1c3 a7a6 g2g3 b7b5 f1g2 c8b7 d2d3 d7d6 e1g1

{B40/03   Sicilian: King's Indian attack}e2e4 c7c5 g1f3 e7e6 b1c3 b8c6 g2g3

{B41   Sicilian: Kan variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6

{B41   Sicilian: Kan, Maroczy bind (Reti variation)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 c2c4

{B41   Sicilian: Kan, Maroczy bind (Bronstein variation)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 c2c4 g8f6 b1c3 f8b4 f1d3 b8c6 d3c2

{B42   Sicilian: Kan (5.Bd3)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3

{B42   Sicilian: Kan, Swiss cheese variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 g7g6

{B42   Sicilian: Kan, Polugaievsky variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 f8c5

{B42   Sicilian: Kan, Gipslis variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 g8f6 e1g1 d7d6 c2c4 g7g6

{B43   Sicilian: Kan (5.Nc3)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3

{B43/01   Sicilian: Kan (5.Nc3...Qb6!?)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3 b7b5 f1d3 d8b6 d4b3 b6c7 e1g1 c8b7 f2f4 g8f6

{B43/06   Sicilian: Kan (5.Nc3) main line}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3 d8c7 g2g3 f8b4 d4e2 g8f6 f1g2 b4e7 e1g1 b8c6

{B43/08   Sicilian: Kan (5.Nc3) main line}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3 d8c7 f1e2 b7b5 e1g1 c8b7 f1e1 b8c6 d4c6 d7c6 e4e5

{B44   Sicilian defence}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6

{B44   Sicilian: Szen (anti-Taimanov) variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5

{B44   Sicilian: Szen variation, Dely-Kasparov gambit}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 d7d6 c2c4 g8f6 b1c3 a7a6 b5a3 d6d5

{B44   Sicilian: Szen, hedgehog variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 d7d6 c2c4 g8f6 b1c3 a7a6 b5a3 f8e7 f1e2 e8g8 e1g1 b7b6

{B45   Sicilian: Taimanov variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3

{B45/13   Sicilian: Taimanov/Sveshnikov}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 g8f6 d4b5 d7d6 c1f4 e6e5

{B45/12   Sicilian: Taimanov variation (7.a3)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 g8f6 d4b5 f8b4 a2a3 b4c3+ b5c3 d7d5 e4d5 e6d5 f1d3 e8g8 e1g1 d5d4 c3e2 d8d5 e2f4 d5d6 f4h5

{B45   Sicilian: Taimanov, American attack}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 g8f6 d4b5 f8b4 b5d6+

{B46   Sicilian: Taimanov variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 a7a6

{B46/05   Sicilian: Taimanov (g3)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 a7a6 g2g3 g8e7 d4b3 d7d6 f1g2 c8d7 e1g1

{B46/06   Sicilian: Taimanov (Be3)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 a7a6 c1e3 g8f6 f1d3 d7d5

{B46/11   Sicilian: Taimanov, Flohr (Nxc6)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 f2f4 a7a6 d4c6 b7c6 e4e5 d7d5 e5d6 f8d6 c3e4 d6e7 f1d3 g8f6 e1g1

{B46/12   Sicilian: Taimanov/Kan}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3 d8c7 f1d3 b8c6 d4c6 b7c6 e1g1 g8f6 d1e2

{B47   Sicilian: Taimanov (Bastrikov) variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7

{B47/12   Sicilian: Taimanov, Flohr, early f4}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 f2f4 a7a6 c1e3 b7b5 f1e2 c6d4 d1d4 c8b7 e2f3 a8c8 a2a3 f8e7

{B47/01   Sicilian: Taimanov, Flohr (7.Nf3)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 f2f4 a7a6 d4f3 f8c5 f1d3 b7b5 d1e2 c6d4 f3d4 c5d4 c1d2 c8b7

{B47/02   Sicilian: Taimanov, Flohr (7.Nxc6)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 f2f4 a7a6 d4c6 c7c6 f1d3 b7b5 d1e2 c8b7 c1d2

{B47   Sicilian: Taimanov (Bastrikov) 6.g3}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 g2g3 a7a6 f1g2 d7d6 e1g1

{B47   Sicilian: Taimanov (Bastrikov) 6.g3}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 g2g3 a7a6 f1g2 g8f6 e1g1

{B47/10   Sicilian: Taimanov (Bastrikov) 6.g3}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 g2g3 a7a6 f1g2 g8f6 e1g1 f8c5 d4c6 d7c6 c3a4 c5a7 c2c4 f6d7

{B47/07   Sicilian: Taimanov (Bastrikov) 6.g3}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 g2g3 a7a6 f1g2 g8f6 e1g1 f8e7 f1e1

{B47/06   Sicilian: Taimanov (Bastrikov) 6.g3}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 g2g3 a7a6 f1g2 g8f6 e1g1 c6d4 d1d4 f8c5 c1f4 d7d6

{B47/12   Sicilian: Taimanov, Flohr (7.f4)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 f1e2 a7a6 f2f4 b7b5 d4c6 c7c6 e2f3 c8b7 c1e3 c6c7 d1d4 a8c8 a2a3 g8e7

{B47/12   Sicilian: Taimanov, Flohr variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 f1e2 a7a6 e1g1 g8f6 g1h1 c6d4 d1d4 f8c5 d4d3 h7h5 f2f4 f6g4 e4e5 d7d6

{B48   Sicilian: Taimanov variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3 a7a6

{B48/03   Sicilian: Taimanov variation (7.Bd3)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3 a7a6 f1d3 b7b5 e1g1 c8b7 d4c6 c7c6 a2a3

{B48   Sicilian: Taimanov variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 a7a6 c1e3 d8c7

{B48/09   Sicilian: Taimanov variation, Bd3 main line}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3 d8c7 f1d3 g8f6 e1g1 b8c6 c1e3 c6e5 h2h3 f8c5 g1h1 d7d6 f2f4

{B49   Sicilian: Taimanov variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3 a7a6 f1e2

{B49/10   Sicilian: Taimanov variation, Be2 main line}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3 a7a6 f1e2 g8f6 e1g1 f8b4 c3a4 b4e7 c2c4 f6e4

{B49/11   Sicilian: Taimanov variation, Be2 main line}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 f1e2 a7a6 e1g1 g8f6 c1e3 f8b4 c3a4 b4e7 d4c6 b7c6 a4b6 a8b8 b6c8 c7c8

{B50   Sicilian defence: Kopec variation}e2e4 c7c5 g1f3 d7d6

{B50   Sicilian: wing gambit deferred}e2e4 c7c5 g1f3 d7d6 b2b4

{B50   Sicilian: 2...d6 3.c3}e2e4 c7c5 g1f3 d7d6 c2c3

{B50   Sicilian: Kopec system}e2e4 c7c5 g1f3 d7d6 c2c3 g8f6 f1d3

{B50/06   Sicilian: Kopec system (4.Be2)}e2e4 c7c5 g1f3 d7d6 c2c3 g8f6 f1e2 g7g6 e1g1 f8g7 e2b5+ c8d7 b5d7+ d8d7 f1e1

{B50/06   Sicilian: Kopec, Ftacnik variation}e2e4 c7c5 g1f3 d7d6 c2c3 g8f6 f1e2 b8d7 d2d3 g7g6 e1g1 f8g7

{B50   Sicilian: closed fianchetto (with d3)}e2e4 c7c5 g1f3 d7d6 d2d3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1

{B50   Sicilian: 3.d3}e2e4 c7c5 g1f3 d7d6 d2d3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1 e7e6 b1d2 g8e7 f1e1 e8g8 a2a4

{B50   Sicilian: 2...d6 3.g3}e2e4 c7c5 g1f3 d7d6 g2g3

{B50   Sicilian: 2...d6 3.Bc4}e2e4 c7c5 g1f3 d7d6 f1c4

{B50/01   Sicilian: Leko attack}e2e4 c7c5 g1f3 d7d6 f1c4 b8c6 c2c3 g8f6 d2d3 a7a6

{B50/01   Sicilian: Leko/Cochrane attack (4.d3)}e2e4 c7c5 g1f3 d7d6 f1c4 g8f6 d2d3 b8c6 c2c3 g7g6 e1g1 f8g7 c4b3 e8g8

{B50/03   Sicilian defence: Scheveningen/Najdorf/dragon}e2e4 c7c5 g1f3 d7d6 b1c3

{B50/07   Sicilian: four knights fianchetto variation}e2e4 c7c5 g1f3 e7e6 b1c3 d7d6 g2g3 b8c6 f1g2 g8f6

{B51   Sicilian: Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack}e2e4 c7c5 g1f3 d7d6 f1b5+

{B51/12   Sicilian: Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack}e2e4 c7c5 g1f3 d7d6 f1b5+ b8c6 e1g1 c8d7 c2c3 g8f6 f1e1 a7a6 b5f1 d7g4 h2h3 g4h5

{B51   Sicilian: Nimzovich-Rossolimo attack (3...d6)}e2e4 c7c5 g1f3 b8c6 f1b5 d7d6 b5c6+

{B52   Sicilian: Canal-Sokolsky attack (3...Bd7)}e2e4 c7c5 g1f3 d7d6 f1b5+ c8d7

{B52/03   Sicilian: Canal-Sokolsky attack (4...Nxd7)}e2e4 c7c5 g1f3 d7d6 f1b5+ c8d7 b5d7+ b8d7 e1g1 g8f6 d1e2 e7e6 b2b3 f8e7 c1b2 e8g8 c2c4 a7a6

{B52   Sicilian: Canal-Sokolsky attack, Sokolsky variation}e2e4 c7c5 g1f3 d7d6 f1b5+ c8d7 b5d7+ d8d7 c2c4

{B52   Sicilian: Canal-Sokolsky attack, Bronstein gambit}e2e4 c7c5 g1f3 d7d6 f1b5+ c8d7 b5d7+ d8d7 e1g1 b8c6 c2c3 g8f6 d2d4

{B53   Sicilian defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4

{B53   Sicilian: Chekhover variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4

{B53   Sicilian: Chekhover, Zaitsev variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4 b8c6 f1b5 d8d7

{B53   Sicilian (Najdorf, dragon, Scheveningen, Richter-Rauzer, Sozin)}e2e4 c7c5 g1f3 d7d6 d2d4 g8f6

{B54   Sicilian defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4

{B54/02   Sicilian: Taimanov variation (5...d6)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d7d6 g2g4

{B55   Sicilian: Prins variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6

{B55/01   Sicilian: Prins (Moscow) variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 f2f3

{B55   Sicilian: Prins variation, Venice attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 f2f3 e7e5 f1b5+

{B56   Sicilian defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3

{B56   Sicilian: Venice attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 f1b5+

{B56   Sicilian defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6

{B56/03   Sicilian defence (6.f3 e5)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f2f3 e7e5 d4b3 f8e7 c1e3 c8e6 c3d5 e6d5 e4d5 c6b8

{B56/04   Sicilian defence (6.f4 e5)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f2f4 e7e5 d4f3 f8e7 f1c4

{B56/05   Sicilian defence (6.Be3 e5)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1e3 e7e5

{B56/07   Sicilian defence (6.Be3 Ng4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1e3 f6g4 f1b5 g4e3 f2e3 c8d7 e1g1 e7e6 b5c6 b7c6 e4e5 f8e7

{B57   Sicilian: Sozin, not Scheveningen}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4

{B57   Sicilian: Magnus Smith trap}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 g7g6 d4c6 b7c6 e4e5 d6e5 c4f7+

{B57   Sicilian: Sozin, Benko variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 d8b6

{B57/06   Sicilian: Sozin, Benko variation (phantom line)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 d8b6 d4b3 e7e6 c1e3 b6c7 e1g1 a7a6 f2f4 f8e7 c4d3 b7b5

{B57/06   Sicilian: Sozin, Benko variation (Nb3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d8c7 b1c3 e7e6 c1e3 a7a6 f1d3 g8f6 e1g1 f8e7 d4b3 d7d6 f2f4 b7b5 d1f3 c8b7 f3h3

{B58   Sicilian: classical}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2

{B58   Sicilian: Boleslavsky variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5

{B59   Sicilian: Boleslavsky variation (7.Nb3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1e2 e7e5 d4b3

{B59/02   Sicilian: Boleslavsky variation (7.Nb3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1e2 e7e5 d4b3 f8e7 e1g1 e8g8 c1e3 a7a5 b3d2 c8e6 d2c4 b7b5

{B59/02   Sicilian: Boleslavsky variation (7.Nb3/10.a4)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5 d4b3 f8e7 e1g1 e8g8 c1e3 a7a5 a2a4 c6b4 f2f4 c8e6

{B60   Sicilian: Richter-Rauzer}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5

{B60/01   Sicilian: Richter-Rauzer (...a6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 a7a6

{B60   Sicilian: Richter-Rauzer, Larsen variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 c8d7

{B60/03   Sicilian: Richter-Rauzer (...Qb6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 d8b6 d4b3 e7e6 d1d2 a7a6

{B61   Sicilian: Richter-Rauzer, Larsen variation (7.Qd2)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 c8d7 d1d2

{B62   Sicilian: Richter-Rauzer (6...e6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

{B62   Sicilian: Richter-Rauzer, Margate (Alekhine) variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 f1b5

{B62   Sicilian: Richter-Rauzer, Keres variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d3

{B63   Sicilian: Richter-Rauzer, Rauzer attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2

{B63   Sicilian: Richter-Rauzer, Rauzer attack (7...Be7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 d4b3

{B63/11   Sicilian: Richter-Rauzer, Rauzer (Fedorowicz)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 d4b3 d8b6 f2f3 f8d8 c3b5 d8d7

{B64   Sicilian: Richter-Rauzer, Rauzer attack (...Be7...f4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4

{B64/07   Sicilian: Richter-Rauzer, Rauzer attack (...Be7...f4) main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4 h7h6 g5h4 e6e5 d4f5 c8f5 e4f5 e5f4 c1b1 d6d5 h4f6 e7f6 c3d5 f6e5

{B65/09   Sicilian: Richter-Rauzer, Rauzer attack (...Be7...Nxd4) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4 c6d4 d2d4 d8a5 f1c4 c8d7 e4e5 d6e5 f4e5 d7c6 g5d2 f6d7 c3d5 a5d8 d5e7+ d8e7 h1e1 f8d8 d4g4 d7f8 c4f1

{B66   Sicilian: Richter-Rauzer, Rauzer attack (...a6) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6

{B66/07   Sicilian: Richter-Rauzer, Rauzer attack (...a6...h6) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 h7h6 g5e3 c8d7 f2f4 f8e7 f1d3 b7b5 c1b1 d8c7 h2h3 c6a5

{B66/37   Sicilian: Richter-Rauzer, Rauzer attack, modern main line (9...Be7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 h7h6 g5e3 f8e7 f2f4 c6d4 e3d4 b7b5 f1d3 c8b7 c1b1 e8g8

{B66/01   Sicilian: Richter-Rauzer, Rauzer attack (...a6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 f8e7 f2f4 d8c7

{B66   Sicilian: Richter-Rauzer, Rauzer attack (...a6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c6d4

{B66/26   Sicilian: Richter-Rauzer, Rauzer attack (6...a6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 a7a6 d1d2 e7e6 e1c1 h7h6 g5e3 c8d7 f2f3 b7b5

{B66/03   Sicilian: Richter-Rauzer, Rauzer attack (6...Qb6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 d8b6 d4b3 e7e6 d1d2 a7a6 e1c1

{B67   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Bd7) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7

{B67/10   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Bd7) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4

{B67/10   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Bd7) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 b7b5

{B67/12   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Bd7) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 b7b5 g5f6 g7f6 c1b1 d8b6 d4c6 d7c6 d2e1 a8a7 f4f5

{B68   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Be7) defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 f8e7

{B68/03   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Be7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 f8e7 d4f3 b7b5 e4e5 b5b4 e5f6 b4c3 d2c3 g7f6 g5h4 d6d5 c1b1 c6a5 f4f5 a8c8 c3d2 d8c7

{B68/02   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Be7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 f8e7 d4f3 b7b5 f1d3 b5b4 c3e2 d8c7

{B68   Sicilian: Richter-Rauzer, Rauzer attack (...a6...Be7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f1e2 f8e7 f2f4

{B69   Sicilian: Richter-Rauzer, Rauzer attack (...a6 11.Bxf6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 a7a6 e1c1 c8d7 f2f4 f8e7 d4f3 b7b5 g5f6

{B70   Sicilian: dragon variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6

{B70/15   Sicilian: dragon, counter fianchetto}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 g2g3 b8c6 d4e2 f8g7 f1g2 e8g8 e1g1 a8b8

{B70/01   Sicilian: dragon 6.Bb5+ (Korchnoi)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1b5+ c8d7 b5d7+

{B70/02   Sicilian: dragon 6.Bc4}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1c4 f8g7 h2h3 e8g8 e1g1 a7a6 c4b3 b7b5 f1e1 c8b7

{B70/12   Sicilian: dragon variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 g2g3 g7g6 f1g2 c6d4 d1d4 f8g7 e1g1 e8g8 h2h3 c8e6 d4d1

{B70/15   Sicilian: dragon, counter fianchetto}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 g2g3 g7g6 d4e2 f8g7 f1g2 e8g8 e1g1 a8b8

{B70   Sicilian: dragon variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1e2 g7g6 e1g1 f8g7 d4b3 e8g8 c1g5 c8e6 g1h1

{B71   Sicilian: dragon, Levenfish variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4

{B71   Sicilian: dragon, Levenfish-Flohr variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4 b8d7

{B72   Sicilian: dragon (6.Be3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3

{B72/03   Sicilian: dragon (7.h3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 h2h3 e8g8 f1c4 b8c6 c4b3 c8d7 e1g1 a8c8 f1e1

{B72   Sicilian: dragon, classical attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2

{B72   Sicilian: dragon, classical, Nottingham variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d4b3

{B72/06   Sicilian: dragon, classical, Nottingham variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d4b3 e8g8 f2f4 c8e6 g2g4

{B72   Sicilian: dragon, classical, Amsterdam variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d1d2

{B72   Sicilian: dragon, classical, Grigoriev variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d1d2 e8g8 e1c1

{B72/03   Sicilian: dragon (9.h3)}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4 e8g8 c4b3 d7d6 h2h3 c8d7 e1g1

{B72/06   Sicilian: accelerated fianchetto}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1e2 e8g8 d4b3 d7d6 f2f4 c8e6 g2g4

{B73   Sicilian: dragon, classical (8.O-O)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1

{B73/02   Sicilian: dragon, classical (8.O-O O-O 9.f4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 f2f4

{B73   Sicilian: dragon, classical, Richter variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d1d2

{B73/03   Sicilian: dragon, classical, Richter/Bird variation}e2e4 c7c5 g1f3 b8c6 b1c3 g7g6 d2d4 c5d4 f3d4 f8g7 c1e3 g8f6 f1e2 d7d6 e1g1 e8g8 d1d2 c8d7 h2h3

{B74   Sicilian: dragon, classical (9.Nb3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3

{B74   Sicilian: dragon, classical, Spielmann variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 c6a5 f4f5 e6c4 e2d3

{B74   Sicilian: dragon, classical, Reti-Tartakower variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 d8c8

{B74   Sicilian: dragon, classical (9.Nb3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f1e2 f8g7 e1g1 e8g8 c1e3 b8c6 d4b3

{B75   Sicilian: dragon, Yugoslav attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

{B75/02   Sicilian: dragon, Yugoslav attack (7.f3 Nc6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 b8c6 d1d2 c8d7 e1c1 a8c8 g2g4

{B76   Sicilian: dragon, Yugoslav attack (7...O-O)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8

{B76   Sicilian: dragon, Yugoslav attack, Rauser variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 e1c1

{B76/22   Sicilian: dragon, Yugoslav attack, Rauser main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 e1c1 d6d5 e4d5 f6d5 d4c6 b7c6 e3d4 e7e5 d4c5 c8e6 c3e4 f8e8 h2h4 h7h6 g2g4 d8c7 g4g5 h6h5

{B76/02   Sicilian: dragon, Yugoslav attack (8.Bc4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 f1c4 b8c6 c4b3 c8d7

{B76/02   Sicilian: dragon, Yugoslav attack, Bc4 modern line}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4 e8g8 c4b3 d7d6 f2f3 c8d7 h2h4 h7h5

{B77   Sicilian: dragon, Yugoslav attack, Byrne variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 a7a5

{B77/04   Sicilian: dragon, Yugoslav attack (9...Bd7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 h2h4 c6d4 e3d4

{B77   Sicilian: dragon, Yugoslav attack (Bc4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 f1c4 b8c6 c4b3 c8d7 d1d2

{B77/05   Sicilian: dragon, Yugoslav/Uogele}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4 e8g8 c4b3 d7d6 f2f3 c8d7 d1d2 c6d4 e3d4 b7b5 h2h4 a7a5 a2a4 b5a4 c3a4 e7e5 d4e3 d7e6

{B78   Sicilian: dragon, Yugoslav attack (10.O-O-O)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 e1c1

{B78/23   Sicilian: dragon, Yugoslav attack, Korchnoi variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 e1c1 c6e5 c4b3 a8c8

{B78/22   Sicilian: dragon, Yugoslav attack, Bc4 main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 e1c1 a8c8 c4b3 c6e5 h2h4 h7h5 e3g5 c8c5

{B78/14   Sicilian: dragon, Yugoslav attack (O-O-O w/ Bxh6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 e1c1 a8c8 c4b3 c6e5 h2h4 h7h5 e3h6 g7h6 d2h6 c8c3 b2c3 d8c7 c1b1 f8c8 g2g4 a7a5

{B78/26   Sicilian: dragon, Yugoslav attack (O-O-O), modern line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 f1c4 b8c6 c4b3 c8d7 d1d2 a8c8 e1c1 c6e5 h2h4 h7h5 e3g5 c8c5 g2g4 h5g4 h4h5 f6h5 c3d5 f8e8

{B78/23   Sicilian: dragon, Yugoslav attack (7.f3...Nc6), main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 b8c6 d1d2 e8g8 f1c4 c8d7 e1c1 a8c8 c4b3 c6e5 h2h4 h7h5 e3g5 c8c5 c1b1 b7b5 g2g4 a7a5 g5f6 g7f6

{B78/06   Sicilian: dragon, Yugoslav attack (O-O-O)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1c4 b8c6 f2f3 e8g8 d1d2 c8d7 e1c1 a8c8 c4b3 c6e5 h2h4 e5c4 b3c4 c8c4 h4h5 f6h5 g2g4 h5f6 d4b3 f8e8

{B78/22   Sicilian: dragon, Yugoslav attack, transposed main line}e2e4 c7c5 g1f3 d7d6 d2d4 g8f6 b1c3 c5d4 f3d4 g7g6 c1e3 f8g7 f2f3 e8g8 f1c4 b8c6 d1d2 c8d7 e1c1 a8c8 c4b3 c6e5 h2h4 h7h5 e3g5 c8c5 c1b1 b7b5

{B78/18   Sicilian: dragon, Yugoslav attack (O-O-O)}e2e4 c7c5 g1f3 d7d6 b1c3 b8c6 d2d4 c5d4 f3d4 g8f6 f1c4 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 c8d7 c4b3 a8c8 e1c1 c6e5 h2h4 h7h5 e3g5 c8c5 f3f4

{B78   Sicilian: dragon, Yugoslav attack (6.Be3)}e2e4 g7g6 d2d4 f8g7 g1f3 c7c5 b1c3 c5d4 f3d4 b8c6 c1e3 g8f6 f1c4 e8g8 c4b3 d7d6 f2f3 c8d7 d1d2 a8c8

{B79   Sicilian: dragon, Yugoslav attack (12.h4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 d1d2 b8c6 f1c4 c8d7 e1c1 d8a5 c4b3 f8c8 h2h4

{B79/05   Sicilian: dragon, Yugoslav attack (...Qa5 O-O-O)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3 e8g8 f1c4 b8c6 c4b3 c8d7 d1d2 d8a5 e1c1 f8c8 h2h4 c6e5 c1b1 e5c4 b3c4 c8c4 d4b3

{B80   Sicilian: Scheveningen variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6

{B80/26   Sicilian: Scheveningen, fianchetto variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g3 a7a6 f1g2 b8c6 e1g1 d8c7

{B80/26   Sicilian: Scheveningen, fianchetto variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g3 a7a6 f1g2 d8c7 e1g1

{B80   Sicilian: Scheveningen, fianchetto variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g3 b8c6 f1g2

{B80   Sicilian: Scheveningen, English variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 c1e3 a7a6 d1d2

{B80/11   Sicilian: Scheveningen, English variation, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f3 e7e6 c1e3 b7b5 g2g4 c8b7 d1d2 f6d7 e1c1 d7b6 f1d3 b8d7 d2f2 a8c8 c3e2 f8e7 h2h4 e8g8

{B80/14   Sicilian: Scheveningen, English variation, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3 e7e6 f2f3 b7b5 g2g4 h7h6 d1d2 b8d7 e1c1 c8b7 h2h4 b5b4 c3b1 d6d5 f1h3

{B80/14   Sicilian: Scheveningen, English variation, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3 e7e6 f2f3 b7b5 d1d2 b8d7 g2g4 h7h6 e1c1 c8b7 h2h4 b5b4

{B80/11   Sicilian: Scheveningen, English variation, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3 e7e6 f2f3 b7b5 d1d2 b8d7 g2g4 d7b6 d2f2 f6d7 e1c1 c8b7 f1d3 a8c8 c3e2 f8e7 h2h4 e8g8

{B80/09   Sicilian: Scheveningen, English variation, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f2f3 e7e6 c1e3 f8e7 d1d2 e8g8 g2g4 a7a6 e1c1 c6d4 e3d4 b7b5 c1b1

{B80/03   Sicilian: Scheveningen}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1e3 e7e6

{B80/03   Sicilian: Scheveningen, fianchetto variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d7d6 g2g3 a7a6 f1g2 c8d7 e1g1 g8f6 f1e1 f8e7 d4c6 d7c6 a2a4 e8g8 a4a5 f6d7 c1e3 d8c7

{B80/26   Sicilian: Scheveningen, fianchetto variation (modern line)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 g2g3 a7a6 f1g2 g8f6 e1g1 d7d6 f1e1 c8d7 d4c6 b7c6 c3a4

{B81   Sicilian: Scheveningen, Keres attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g4

{B81/09   Sicilian: Scheveningen, Keres attack (7.g4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 c1e3 a7a6 g2g4 h7h6 f2f4 e6e5 d4f5 h6h5

{B81/27   Sicilian: Scheveningen, Keres attack (7.h4)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 g2g4 h7h6 h2h4 b8c6 h1g1 h6h5 g4h5 f6h5 c1g5 h5f6 d1d2 d8b6 d4b3 a7a6 f1e2 c8d7

{B81/32   Sicilian: Scheveningen, Keres attack}d2d4 e7e6 g1f3 c7c5 e2e4 c5d4 f3d4 g8f6 b1c3 d7d6 g2g4 h7h6 g4g5

{B82   Sicilian: Scheveningen (6.f4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f2f4

{B82/09   Sicilian: Scheveningen (6.f4 e6/a6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f2f4 a7a6 c1e3

{B82   Sicilian: Scheveningen, Tal variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f2f4 b8c6 c1e3 f8e7 d1f3

{B82   Sicilian: Scheveningen (6.f4 e6/a6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e6

{B82/08   Sicilian: Scheveningen (6.f4 e6/a6 7.Bd3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e6 f1d3 b7b5 d1f3 c8b7 g2g4 f6d7 c1e3

{B82/19   Sicilian: Scheveningen (6.f4 e6/a6 7.Nb3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e6 d4b3 d8b6 d1f3 b6c7 g2g4 b7b5 f1d3 c8b7 g4g5 f6d7 c1e3 b8c6

{B82/18   Sicilian: Scheveningen (6.f4 e6/a6 7.Qf3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e6 d1f3 d8b6 a2a3 b8c6 d4b3 b6c7 g2g4 b7b5 g4g5

{B83   Sicilian: Scheveningen (6.Be2)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2

{B83/04   Sicilian: Scheveningen, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 f8e7 e1g1 b8c6 c1e3 e8g8 f2f4 d8c7

{B83   Sicilian: Scheveningen, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6 e1g1 f8e7 c1e3 e8g8 f2f4

{B83   Sicilian: Scheveningen, main line (with Nb3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6 e1g1 f8e7 c1e3 e8g8 f2f4 c8d7 d4b3

{B83   Sicilian: modern Scheveningen, main line (5...Bd7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 c8d7 f1e2 b8c6 e1g1 e7e6 c1e3 f8e7 f2f4 e8g8

{B83/09   Sicilian: modern Scheveningen, main line (with Kh1)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 b8c6 b1c3 g8f6 f1e2 e7e6 e1g1 f8e7 c1e3 e8g8 f2f4 c8d7 g1h1 c6d4 e3d4 d7c6 e2d3 f6d7

{B83/09   Sicilian: modern Scheveningen, main line (with Kh1)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d7d6 c1e3 g8f6 f2f4 f8e7 f1e2 e8g8 e1g1 c8d7 g1h1 c6d4 e3d4 d7c6 e2d3

{B84   Sicilian: Scheveningen (Paulsen), classical variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6

{B84/07   Sicilian: Scheveningen (7.Be3), classical variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 c1e3 d8c7 f2f4 b7b5 e2f3 c8b7 e4e5 d6e5 f3b7 e5d4

{B84/05   Sicilian: Scheveningen, classical, g4}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 f8e7 f2f4 e8g8 c1e3 d8c7 g2g4 b8c6 g4g5 f6d7 f4f5 c6d4

{B84   Sicilian: Scheveningen, classical, Nd7 system}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 b8d7

{B84   Sicilian: Scheveningen (Paulsen), classical variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7

{B84/11   Sicilian: Scheveningen, classical (...Be7) system}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 f8e7

{B84/14   Sicilian: Scheveningen, classical (...b6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e6 f1e2 f8e7 e1g1 e8g8 a2a4 d8c7 g1h1 b7b6 e2f3 c8b7 e4e5 d6e5

{B84/16   Sicilian: Scheveningen, classical (...Be7) system}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1e2 e7e6 e1g1 f8e7 f2f4 d8c7 g1h1 e8g8 d1e1 b7b5 e2f3 c8b7 e4e5 f6e8 f4f5 d6e5 f5e6 b7f3 e6f7+ f8f7 d4f3 b8d7 c1g5

{B85/35   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 f8e7 a2a4 b8c6 c1e3 e8g8 f2f4 d8c7 g1h1 f8e8 e2f3 a8b8 g2g4 c6d4 e3d4 e6e5 f4e5

{B85   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 f8e7 f2f4 e8g8 c1e3

{B85/05   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 f8e7 f2f4 e8g8 c1e3 b8c6 d1e1 c6d4

{B85/01   Sicilian: Scheveningen, classical}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 f8e7 f2f4 e8g8 c1e3 d8c7 d1e1 b7b5 e2f3 c8b7 e4e5 d6e5 f4e5 f6d7 e1g3 g8h8 f3h5 h8g8

{B85/04   Sicilian: Scheveningen, classical}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 b8c6 c1e3 f8e7 f2f4 e8g8 d1e1 c8d7 e1g3 b7b5 a2a3 c6d4 e3d4 d7c6 g1h1 d8c7 a1e1 c7b7

{B85   Sicilian: Scheveningen, classical variation (with...Qc7 &...Nc6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 b8c6

{B85   Sicilian: Scheveningen, classical}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 b8c6 c1e3

{B85   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1 d8c7 f2f4 b8c6 c1e3 f8e7 d1e1 e8g8

{B85/01   Sicilian: Scheveningen, modern line}e2e4 c7c5 b1c3 e7e6 g1f3 a7a6 d2d4 c5d4 f3d4 d8c7 f1e2 g8f6 e1g1 d7d6 f2f4 f8e7 c1e3 e8g8 d1e1 b7b5 e2f3 c8b7 e4e5 d6e5 f4e5 f6d7 e1g3

{B85/35   Sicilian: Scheveningen, classical}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 f8e7 e1g1 b8c6 c1e3 e8g8 f2f4 d8c7 e2f3 a7a6 g1h1 a8b8 a2a4 f8e8 g2g4 c6d4 e3d4

{B85/15   Sicilian: Scheveningen, modern main line (...Bd7 Qe1)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 f8e7 e1g1 b8c6 c1e3 e8g8 f2f4 d8c7 g1h1 c8d7 d1e1 a7a6 e1g3 b7b5

{B85/23   Sicilian: Scheveningen, classical (...b6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 f8e7 e1g1 b8c6 c1e3 e8g8 f2f4 d8c7 d4b3 a7a6 a2a4 b7b6 e2f3 a8b8 d1e2

{B85/35   Sicilian: Scheveningen, classical (Ndb5)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 f8e7 e1g1 b8c6 c1e3 e8g8 f2f4 d8c7 d4b5 c7b8 e2f3 a7a6 b5d4 b8c7 g1h1 a8b8

{B85/19   Sicilian: Scheveningen, modern main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 f8e7 e1g1 e8g8 f2f4 b8c6 c1e3 a7a6 g1h1 d8c7 d1e1 c6d4 e3d4 b7b5 a2a3 c8b7 e1g3 b7c6 a1e1 c7b7 e2d3 b5b4

{B85/14   Sicilian: Scheveningen, modern main line (...Qb8)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 f8e7 e1g1 e8g8 f2f4 b8c6 c1e3 c8d7 g1h1 a7a6 d1e1 b7b5 a2a3 d8b8 e2f3 c6d4

{B85   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 a2a4 e7e6 f1e2 f8e7 e1g1 e8g8 f2f4 b8c6 c1e3 d8c7

{B85   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 a2a4 b8c6 f1e2 e7e6 e1g1 f8e7 c1e3

{B85/36   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e6 f1e2 f8e7 e1g1 e8g8 g1h1 d8c7 a2a4 b8c6 c1e3 f8e8 e2f3 a8b8 d1d2 c8d7

{B85/33   Sicilian: Scheveningen, classical main line (7...Qc7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e6 f1e2 d8c7 e1g1 f8e7 g1h1 e8g8 a2a4 b8c6 c1e3 f8e8 e2f3 c8d7 d4b3 c6a5 b3a5 c7a5 d1d3

{B85   Sicilian: Scheveningen, classical}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1e2 e7e6 e1g1 f8e7 f2f4 e8g8 a2a4 b8c6 c1e3 d8c7 g1h1

{B85   Sicilian: Scheveningen, classical main line (5...d6)}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3 d7d6 f1e2 g8f6 e1g1 f8e7 f2f4 e8g8 c1e3 b8c6 d1e1 d8c7 e1g3

{B85   Sicilian: Scheveningen, classical main line}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3 a7a6 f1e2 g8f6 e1g1 f8e7 f2f4 d7d6

{B86   Sicilian: Sozin attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4

{B86   Sicilian: Sozin attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 a7a6 c4b3

{B86/01   Sicilian: Sozin attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 f8e7 c4b3 e8g8 c1e3 b8a6

{B87   Sicilian: Sozin (with...a6 &...b5)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 a7a6 c4b3 b7b5

{B87/12   Sicilian: Sozin (with...a6 &...b5)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 a7a6 e1g1 b7b5 c4b3 f8e7 d1f3 d8c7 f3g3 b8c6 d4c6 c7c6 f1e1 c8b7 c1g5

{B88   Sicilian: Sozin, Leonhardt variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6

{B88   Sicilian: Sozin, Fischer variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 c4b3 f8e7 c1e3 e8g8 f2f4

{B89   Sicilian: Sozin (7.Be3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 c1e3

{B89   Sicilian: Velimirovic attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 c1e3 f8e7 d1e2

{B90   Sicilian: Najdorf}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6

{B90/10   Sicilian: Najdorf, Byrne-Sax attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f3 e7e5 d4b3 c8e6 c1e3 f8e7 d1d2 e8g8 e1c1 b7b5 g2g4 b5b4 c3d5

{B90   Sicilian: Najdorf, Adams attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 h2h3

{B90   Sicilian: Najdorf, Lipnitzky attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1c4

{B90   Sicilian: Najdorf, Byrne (English) attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3

{B90/04   Sicilian: Najdorf, Byrne-Almasi attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3 e7e5 d4b3 c8e6 d1d2 b8d7 f2f3

{B90/06   Sicilian: Najdorf, Byrne attack (...Ng4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3 f6g4 e3g5 h7h6 g5h4 g7g5 h4g3 f8g7 f1e2 h6h5 e2g4 c8g4 f2f3 g4d7 g3f2 b8c6 d1d2

{B91   Sicilian: Najdorf, Zagreb (fianchetto) variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 g2g3

{B91/04   Sicilian: Najdorf, fianchetto, with 6...e5}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 g2g3 e7e5 d4e2 f8e7 f1g2 e8g8 e1g1 c8e6

{B92   Sicilian: Najdorf, Opovcensky variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1e2

{B92/21   Sicilian: Najdorf, Opovcensky variation, main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1e2 e7e5 d4b3 f8e7 e1g1 e8g8 c1e3 c8e6 d1d2 b8d7 a2a4 a8c8 a4a5 d8c7 f1d1 f8e8 f2f3

{B93   Sicilian: Najdorf (6.f4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4

{B93/18   Sicilian: Najdorf (6.f4 e5 7.Nf3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 e7e5 d4f3 b8d7 a2a4 f8e7 f1d3 e8g8 e1g1 e5f4 g1h1 d7c5 c1f4 c8g4 d1e1 a8c8

{B93/07   Sicilian: Najdorf (6.f4 Nbd7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 b8d7 f1e2 g7g6 e1g1 f8g7 a2a4 e8g8 g1h1 d8c7 e2f3

{B93/03   Sicilian: Najdorf (6.f4 Qc7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4 d8c7 f1d3 g7g6 e1g1 f8g7 d4f3 b8d7 a2a4

{B93/08   Sicilian: Najdorf (6.f4 e5)}e2e4 c7c5 g1f3 d7d6 b1c3 g8f6 d2d4 c5d4 f3d4 a7a6 f2f4 e7e5 d4f3 d8c7 f1d3 b7b5 e1g1

{B94   Sicilian: Najdorf (6.Bg5)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5

{B94   Sicilian: Najdorf, Ivkov variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 b8d7 f1c4 d8a5 d1d2 e7e6 e1c1 b7b5 c4b3 c8b7 h1e1 d7c5 e4e5

{B95   Sicilian: Najdorf (6...e6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6

{B95/01   Sicilian: Najdorf (6...e6 7.Qf3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 d1f3 h7h6 g5h4 b8d7 e1c1

{B96   Sicilian: Najdorf (7.f4)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

{B96   Sicilian: Najdorf, Polugayevsky variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 b7b5

{B96   Sicilian: Najdorf, Polugayevsky, Simagin variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 b7b5 e4e5 d6e5 f4e5 d8c7 d1e2

{B96/06   Sicilian: Najdorf (7.f4 Nbd7) main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 b8d7 d1f3 d8c7 e1c1 b7b5 f1d3 c8b7 h1e1 e8c8

{B96/10   Sicilian: Najdorf (7.f4 Qc7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8c7 d1f3 b7b5 e1c1 b5b4 e4e5

{B97   Sicilian: Najdorf (7...Qb6)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8b6

{B97/03   Sicilian: Najdorf (7...Qb6 8.Nb3)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8b6 d4b3 b8d7 d1f3 f8e7 e1c1 b6c7 f1d3 b7b5 a2a3 c8b7 h1e1 e8c8 f3e2

{B97   Sicilian: Najdorf, Poisoned pawn variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8b6 d1d2 b6b2 a1b1 b2a3

{B97/16   Sicilian: Najdorf, Poisoned pawn main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8b6 d1d2 b6b2 a1b1 b2a3 f4f5 b8c6 f5e6 f7e6 d4c6 b7c6 e4e5 d6e5 g5f6 g7f6 c3e4 f8e7 f1e2 h7h5 b1b3 a3a4 e4f6+

{B98   Sicilian: Najdorf (7...Be7)}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7

{B98   Sicilian: Najdorf, Goteborg (Argentine) variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 h7h6 g5h4 g7g5

{B98   Sicilian: Najdorf, Browne variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 h7h6 g5h4 d8c7

{B98   Sicilian: Najdorf variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 d8c7

{B99   Sicilian: Najdorf (7...Be7) main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 f8e7 d1f3 d8c7 e1c1 b8d7

{B99/16   Sicilian: Najdorf (7...Be7) main line}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 d8c7 d1f3 f8e7 e1c1 b8d7 g2g4 b7b5 g5f6 d7f6 g4g5 f6d7 f4f5 e7g5+

{C00   French defence}e2e4 e7e6

{C00   French: Reti (Spielmann) variation}e2e4 e7e6 b2b3

{C00   French: Steiner variation}e2e4 e7e6 c2c4

{C00   French: King's Indian attack}e2e4 e7e6 d2d3

{C00   French (plus KIA, closed Sicilians)}e2e4 e7e6 d2d3 c7c5

{C00/14   French: King's Indian attack}e2e4 e7e6 d2d3 d7d5 b1d2 g8f6 g2g3 c7c5 f1g2 b8c6 g1f3 f8e7

{C00   French: Reversed Philidor formation}e2e4 e7e6 d2d3 d7d5 b1d2 g8f6 g1f3 b8c6 f1e2

{C00/12   French: Qe2 exchange}e2e4 e7e6 d2d3 d7d5 d1e2 d5e4 d3e4 e6e5

{C00/12   French: Qe2...Nc6}e2e4 e7e6 d2d3 d7d5 d1e2 b8c6 g1f3

{C00/12   French: King's Indian attack (3...Ne7)}e2e4 e7e6 d2d3 d7d5 d1e2 g8e7 g2g3 c7c5 f1g2 b8c6 g1f3 g7g6 h2h4 h7h6 e4e5

{C00/12   French: King's Indian attack (3...Nf6)}e2e4 e7e6 d2d3 d7d5 d1e2 g8f6 g1f3 f8e7 g2g3 c7c5 f1g2 e8g8 e1g1 b8c6 e4e5 f6d7 c2c4

{C00/12   French: King's Indian attack (3...Nf6)}e2e4 e7e6 d2d3 d7d5 d1e2 g8f6 g1f3 f8e7 g2g3 e8g8 f1g2 c7c5 e1g1

{C00   French defence}e2e4 e7e6 d2d4

{C00   French: Schlechter variation}e2e4 e7e6 d2d4 d7d5 f1d3

{C00   French: Alapin variation}e2e4 e7e6 d2d4 d7d5 c1e3

{C00   French: Steinitz attack}e2e4 e7e6 e4e5

{C00   French: Labourdonnais variation}e2e4 e7e6 f2f4

{C00   French: Pelikan variation}e2e4 e7e6 b1c3 d7d5 f2f4

{C00   French: two knights variation}e2e4 e7e6 b1c3 d7d5 g1f3

{C00   French defence}e2e4 e7e6 g1f3

{C00/11   French: King's Indian attack}e2e4 e7e6 g1f3 c7c5 d2d3 b8c6 g2g3 d7d5 d1e2

{C00/11   French: wing gambit}e2e4 e7e6 g1f3 d7d5 e4e5 c7c5 b2b4

{C00/11   French: two knights variation}e2e4 e7e6 g1f3 d7d5 b1c3 g8f6 e4e5

{C00   French: Chigorin variation}e2e4 e7e6 d1e2

{C00/09   French: Chigorin variation (2...c5)}e2e4 e7e6 d1e2 c7c5 g2g3 b8c6

{C00/09   French: Chigorin variation (2...c5) main line}e2e4 e7e6 d1e2 c7c5 g2g3 b8c6 f1g2 g8e7 g1f3 g7g6 e1g1 f8g7 d2d3 e8g8

{C00/09   French: Chigorin variation (2...c5) main line}e2e4 e7e6 d1e2 c7c5 g1f3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 g8e7 e1g1 e8g8

{C00   Sicilian: KIA/French}e2e4 c7c5 g1f3 e7e6 d1e2

{C00/14   Reti: King's Indian attack}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 e7e6 d2d3 g8f6 b1d2 f8e7 e2e4

{C01   French: exchange variation}e2e4 e7e6 d2d4 d7d5 e4d5 e6d5

{C01/12   French: exchange (4.Bd3 Bd6)}e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 f1d3 f8d6 g1f3 g8f6 e1g1 e8g8 c1g5 c8g4 b1d2 b8d7 c2c3 c7c6

{C01/06   French: exchange (4.Bd3)}e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 f1d3 b8c6 c2c3 f8d6 d1f3 c8e6

{C01   French: exchange, Svenonius variation}e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 b1c3 g8f6 c1g5

{C01/01   French: exchange, Blackburne variation}e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 g1f3 c8e6 b1d2

{C01   French: exchange (3.Nc3)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4d5 e6d5

{C02   French: advance variation}e2e4 e7e6 d2d4 d7d5 e4e5

{C02   French: advance variation}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3

{C02   French: advance variation}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6

{C02   French: advance, Paulsen attack}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3

{C02   French: advance, Euwe variation}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 c8d7

{C02/19   French: advance, Milner-Barry gambit (6.a3)}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 d8b6 a2a3 c5c4 b1d2 c6a5 f1e2

{C02   French: advance, Milner-Barry gambit}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 d8b6 f1d3

{C02   French: advance, Wade variation}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 d8b6 g1f3 c8d7

{C02   French: advance, Steinitz variation}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 d4c5 b8c6 g1f3

{C02   French: advance, Nimzovich system}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 g1f3

{C02   French: advance, Nimzovich variation}e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 d1g4

{C03   French: Tarrasch}e2e4 e7e6 d2d4 d7d5 b1d2

{C03   French: Tarrasch, Haberditz variation}e2e4 e7e6 d2d4 d7d5 b1d2 f7f5

{C03/04   French: Tarrasch (3...Be7)}e2e4 e7e6 d2d4 d7d5 b1d2 f8e7 g1f3 g8f6 f1d3 c7c5 d4c5 d5e4 d2e4

{C03   French: Tarrasch, Guimard variation}e2e4 e7e6 d2d4 d7d5 b1d2 b8c6

{C04   French: Tarrasch, Guimard main line}e2e4 e7e6 d2d4 d7d5 b1d2 b8c6 g1f3 g8f6

{C05   French: Tarrasch, closed variation}e2e4 e7e6 d2d4 d7d5 b1d2 g8f6

{C05   French: Tarrasch, Botvinnik variation}e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b7b6

{C05   French: Tarrasch, closed variation}e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6

{C06   French: Tarrasch, closed variation, main line}e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6 g1e2 c5d4 c3d4

{C06/18   French: Tarrasch, closed variation, main line (7...Qb6)}e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6 g1e2 d8b6 d2f3 c5d4 c3d4 f7f6 e5f6 d7f6 e1g1 f8d6 e2c3 e8g8 c1e3 c8d7 a2a3 d7e8 d1c2 h7h6

{C07   French: Tarrasch, open variation}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5

{C07   French: Tarrasch, Eliskases variation}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 d8d5 g1f3 c5d4 f1c4 d5d8

{C07/17   French: Tarrasch, open variation (Shamkovich)}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 g1f3 c5d4 e4d5 d8d5 f1c4 d5d6 e1g1 g8f6 d2b3 b8c6 b3d4 c6d4 f3d4 a7a6 f1e1 d6c7

{C08   French: Tarrasch, open (4.exd5 exd5)}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 g1f3

{C08/13   French: Tarrasch, open (5...Nf6)}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 g1f3 g8f6 f1b5+ c8d7 b5d7+ b8d7 e1g1 f8e7 d4c5 d7c5 d2b3 c5e4 f3d4 d8d7

{C08/03   French: Tarrasch, open (Boleslavskij ...Bd7)}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 f1b5+ c8d7 d1e2+ f8e7 d4c5 g8f6 d2b3 e8g8 c1e3 f8e8 e1c1 a7a6 b5d7 b8d7

{C08/11   French: Tarrasch, open (...Nf6)}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 g1f3 g8f6 e4d5 e6d5 f1b5+ c8d7 b5d7+ b8d7 e1g1 f8e7 d4c5 d7c5 f1e1 e8g8

{C08/16   French: Tarrasch, open (3...a6)}e2e4 e7e6 d2d4 d7d5 b1d2 a7a6 g1f3 c7c5 e4d5 e6d5 d4c5 f8c5 d2b3 c5a7 f1d3

{C09   French: Tarrasch, open variation, main line}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 g1f3 b8c6

{C09/17   French: Tarrasch, open variation, main line}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 g1f3 b8c6 f1b5 f8d6

{C09/02   French: Tarrasch, open (Huebner)}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 f1b5+ b8c6 g1f3 c5d4

{C09/06   French: Tarrasch, open}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 g1f3 b8c6 f1b5 f8d6 e1g1 g8e7 d4c5 d6c5 d2b3 c5b6 c2c3 e8g8 b3d4 c8g4 d1a4 g4d7

{C09/14   French: Tarrasch, open variation, modern main line}e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 g1f3 b8c6 e4d5 e6d5 f1b5 f8d6 d4c5 d6c5 e1g1 g8e7 d2b3 c5d6 f1e1 e8g8 c1g5 c8g4 h2h3 g4h5 b5c6 b7c6 b3d4 a8c8 c2c4

{C09/06   Sicilian: French, Tarrasch, open}e2e4 c7c5 g1f3 b8c6 c2c3 e7e6 d2d4 d7d5 e4d5 e6d5 f1b5 f8d6 d4c5 d6c5 e1g1 g8e7 b1d2 e8g8 d2b3 c5b6 b3d4

{C10   French: Paulsen variation}e2e4 e7e6 d2d4 d7d5 b1c3

{C10   French: Marshall variation}e2e4 e7e6 d2d4 d7d5 b1c3 c7c5

{C10   French: Fort Knox variation}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 c8d7 g1f3 d7c6

{C10   French: Rubinstein variation}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7

{C10/19   French: Rubinstein variation}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 g1f3 g8f6 e4f6+ d7f6 c1g5 h7h6 g5h4 c7c5 f1b5+ c8d7 b5d7+ d8d7 d1e2

{C10   French: Rubinstein, Capablanca line}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 g1f3 g8f6 e4f6+ d7f6 f3e5

{C10/21   French: Rubinstein with 3.Nd2}e2e4 e7e6 d2d4 d7d5 b1d2 d5e4 d2e4 b8d7 g1f3 g8f6 e4f6+ d7f6 f1d3 c7c5 d4c5 f8c5 e1g1 e8g8 d1e2 b7b6 c1g5

{C11   French defence}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6

{C11   French: Steinitz variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 b8c6

{C11   French: Steinitz variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 g1f3

{C11   French: Steinitz, Boleslavsky variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 g1f3 b8c6 c1e3

{C11/11   French: Steinitz, Boleslavsky variation, main line}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 g1f3 b8c6 c1e3 c5d4 f3d4 f8c5 d1d2 e8g8 e1c1

{C11/03   French: Steinitz, Enevoldsen variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 c3e2 c7c5 c2c3 b8c6 f2f4

{C11   French: Steinitz, Gledhill attack}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 d1g4

{C11   French: Swiss variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 f1d3

{C11   French: Burn variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 d5e4

{C11/22   French: Burn variation, main line}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 d5e4 c3e4 f8e7 g5f6 e7f6 g1f3 b8d7 d1d2 e8g8 e1c1

{C11/22   French: Burn variation, main line}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 d5e4 c3e4 f8e7 g5f6 e7f6 g1f3 e8g8 d1d2 b8d7 e1c1 f6e7 f1d3 b7b6 h2h4 c8b7

{C11   French: Rubinstein variation}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 g1f3 g8f6 e4f6+ d7f6 c1g5 c7c5 f1b5+ c8d7 b5d7+ d8d7 d1e2 f8e7 d4c5 e8g8

{C11/15   French: modern Burn variation (Balasov)}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 c1g5 b8d7 g1f3 f8e7 e4f6+ e7f6 h2h4 c7c5 d1d2 c5d4

{C11/06   French defence, modern line}e2e4 e7e6 b1c3 d7d5 g1f3 g8f6 e4e5 f6d7 d2d4 c7c5 d4c5 b8c6 c1f4 f8c5 f1d3 f7f6 e5f6 d7f6 e1g1

{C12   French: MacCutcheon variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4

{C12   French: MacCutcheon, Lasker variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3

{C12   French: MacCutcheon, Lasker variation (8...g6)}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3 b2c3 f6e4 d1g4 g7g6

{C12   French: MacCutcheon, Duras variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3 b2c3 f6e4 d1g4 e8f8 d2c1

{C12   French: MacCutcheon, Janowski variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5e3

{C12   French: MacCutcheon, Bogolyubov variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4d5 d8d5 g5f6 g7f6 d1d2 d5a5

{C13   French: classical}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7

{C13   French: classical, Tartakower variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6e4

{C13   French: Albin-Alekhine-Chatard attack}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4

{C13   French: Albin-Alekhine-Chatard attack, Maroczy variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 a7a6

{C13   French: Albin-Alekhine-Chatard attack, Breyer variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 c7c5

{C13   French: classical, Anderssen-Richter variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 g5f6 e7f6 e4e5 f6e7 d1g4

{C14   French: classical, Steinitz variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 f2f4

{C14   French: classical, Stahlberg variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 f2f4 e8g8 g1f3 c7c5 d1d2 b8c6 e1c1 c5c4

{C14   French: classical, Alapin variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 c3b5

{C15   French: Winawer, Nimzovich variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4

{C15   French: Winawer, fingerslip variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 c1d2

{C15   French: Winawer, Kondratiyev variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 f1d3 c7c5 e4d5 d8d5 c1d2

{C15   French: Winawer, Alekhine (Maroczy) gambit}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2

{C15   French: Winawer, Alekhine gambit, Alatortsev variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4e7 c3e4 g8f6 e2g3 e8g8 f1e2 b8c6

{C15   French: Winawer, Alekhine gambit, Kan variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4c3+ e2c3 b8c6

{C16   French: Winawer, advance variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5

{C16/14   French: Winawer, advance variation (...b6)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 g8e7 a2a3 b4c3+ b2c3 b7b6 d1g4 e7g6 h2h4 h7h5 g4d1

{C16   French: Winawer, Petrosian variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 d8d7

{C17   French: Winawer, advance (5.a3)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3

{C17   French: Winawer, advance, Bogolyubov variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 c1d2

{C17/04   French: Winawer, advance, Russian variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 d1g4 g8e7 d4c5 b8c6 c1d2 e8g8

{C18   French: Winawer, advance variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3

{C18/06   French: Winawer, advance (7.h4)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 g8e7 h2h4

{C18/07   French: Winawer, advance (without 7...Qc7)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 g8e7 d1g4

{C18/19   French: Winawer, advance main line}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 g8e7 d1g4 d8c7 g4g7 h8g8 g7h7 c5d4 g1e2 b8c6 f2f4 c8d7 h7d3 d4c3 d3c3 e7f5 a1b1 e8c8 h1g1

{C18   French: Winawer, classical variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 d8c7

{C18/02   French: Winawer, classical variation (7.Nf3)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 d8c7 g1f3

{C18/11   French: Winawer, advance (5...Ne7)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 g8e7 a2a3 b4c3+ b2c3 c7c5 d1g4 e8g8 f1d3

{C19   French: Winawer, advance (6...Ne7)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 g8e7

{C19   French: Winawer, advance, Smyslov variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 g8e7 a3a4

{C19   French: Winawer, advance, positional main line}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 g8e7 g1f3

{C19/05   French: Winawer, advance, positional main line (with...Qc7)}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3+ b2c3 d8c7 g1f3 g8e7 a3a4 b7b6 f1b5+

{C20   King's pawn game}e2e4 e7e5

{C20   KP: Lopez opening}e2e4 e7e5 c2c3

{C20   KP: Indian opening}e2e4 e7e5 d2d3

{C20   Alapin's opening}e2e4 e7e5 g1e2

{C21   Centre game}e2e4 e7e5 d2d4 e5d4

{C21   Danish gambit}e2e4 e7e5 d2d4 e5d4 c2c3

{C21   Danish gambit: Soerensen defence}e2e4 e7e5 d2d4 e5d4 c2c3 d7d5

{C21   Danish gambit: Schlechter defence}e2e4 e7e5 d2d4 e5d4 c2c3 d4c3 f1c4 c3b2 c1b2 d7d5

{C22   Centre game}e2e4 e7e5 d2d4 e5d4 d1d4 b8c6

{C22   Centre game: Paulsen attack}e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3

{C22   Centre game: Berger variation}e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 g8f6

{C22   Centre game: Kupreichik variation}e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 g8f6 b1c3 f8b4 c1d2 e8g8 e1c1 f8e8 f1c4 d7d6 g1h3

{C23   Bishop's opening}e2e4 e7e5 f1c4

{C23   Bishop's opening: Philidor counter-attack}e2e4 e7e5 f1c4 c7c6

{C23   Bishop's opening: Calabrese counter-gambit}e2e4 e7e5 f1c4 f7f5

{C23   Bishop's opening: classical variation}e2e4 e7e5 f1c4 f8c5

{C23   Bishop's opening: wing gambit}e2e4 e7e5 f1c4 f8c5 b2b4

{C23   Bishop's opening: MacDonnell double gambit @@vv}e2e4 e7e5 f1c4 f8c5 b2b4 c5b4 f2f4

{C23   Bishop's opening: Philidor variation}e2e4 e7e5 f1c4 f8c5 c2c3

{C23   Bishop's opening: Lopez gambit}e2e4 e7e5 f1c4 f8c5 d1e2 b8c6 c2c3 g8f6 f2f4

{C24   Bishop's opening: Berlin defence}e2e4 e7e5 f1c4 g8f6

{C24   Bishop's opening: Ponziani gambit}e2e4 e7e5 f1c4 g8f6 d2d4

{C24   Bishop's opening: Urusov gambit}e2e4 e7e5 f1c4 g8f6 d2d4 e5d4 g1f3

{C24   Bishop's opening: Urusov gambit, Panov variation}e2e4 e7e5 f1c4 g8f6 d2d4 e5d4 g1f3 d7d5 e4d5 f8b4+ c2c3 d8e7+

{C24/08   Bishop's opening: Urusov gambit (4...Nxe4)}e2e4 e7e5 f1c4 g8f6 d2d4 e5d4 g1f3 f6e4 d1d4 e4f6 c1g5 f8e7 b1c3 c7c6 e1c1 d7d5

{C24/05   Bishop's opening (3.d3 c6)}e2e4 e7e5 f1c4 g8f6 d2d3 c7c6 g1f3 d7d5 c4b3 f8d6 b1c3

{C24/02   Bishop's opening (3.d3 d5)}e2e4 e7e5 f1c4 g8f6 d2d3 d7d5 e4d5 f6d5 g1f3 b8c6 e1g1 c8g4 f1e1 f8e7

{C25   Vienna game}e2e4 e7e5 b1c3

{C25   Vienna game: Max Lange defence}e2e4 e7e5 b1c3 b8c6

{C25   Vienna gambit}e2e4 e7e5 b1c3 b8c6 f2f4

{C25   Vienna: Steinitz gambit}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 d2d4

{C25   Vienna: Steinitz gambit, Zukertort defence}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 d2d4 d8h4+ e1e2 d7d5

{C25   Vienna gambit}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3

{C25   Vienna: Hamppe-Allgaier gambit}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5

{C25   Vienna: Paulsen variation}e2e4 e7e5 b1c3 b8c6 g2g3

{C26   Vienna: Falkbeer variation}e2e4 e7e5 b1c3 g8f6

{C26   Vienna: Paulsen-Mieses variation}e2e4 e7e5 b1c3 g8f6 g2g3

{C26/06   Vienna: Paulsen-Mieses, four knights}e2e4 e7e5 b1c3 g8f6 g2g3 f8c5 f1g2 d7d6 g1f3 b8c6 d2d3 a7a6 e1g1 e8g8 c1g5

{C26   Vienna game}e2e4 e7e5 b1c3 g8f6 f1c4

{C26/09   Vienna game (Bc4...Bc5)}e2e4 e7e5 b1c3 g8f6 f1c4 f8c5 d2d3 d7d6 c1g5 h7h6

{C27   Vienna game}e2e4 e7e5 b1c3 g8f6 f1c4 f6e4

{C27   Vienna: Alekhine variation}e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 f8e7 g1f3 b8c6 f3e5

{C27   Vienna: Frankenstein-Dracula variation}e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 b8c6 c3b5 g7g6 h5f3 f7f5 f3d5 d8e7 b5c7+ e8d8 c7a8 b7b6

{C28   Vienna game: 4.d3}e2e4 e7e5 b1c3 g8f6 f1c4 b8c6 d2d3

{C28   Bishop's opening: Vienna game}e2e4 e7e5 f1c4 b8c6 d2d3 g8f6 b1c3

{C28   Bishop's opening: Vienna game}e2e4 e7e5 f1c4 b8c6 b1c3 g8f6 d2d3

{C29   Vienna gambit}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5

{C29   Vienna gambit}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d2d3

{C29   Vienna gambit: Breyer variation}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 g1f3 f8e7

{C29   Vienna gambit: Paulsen attack}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d1f3

{C30   King's gambit}e2e4 e7e5 f2f4

{C30   KGD: Mafia defence}e2e4 e7e5 f2f4 c7c5

{C30   KGD: classical variation}e2e4 e7e5 f2f4 f8c5

{C30   KGD: classical, Heath variation}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 b2b4

{C30   KGD: classical (4.c3)}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3

{C30   KGD: classical, Marshall attack}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3 c8g4 f4e5 d6e5 d1a4+

{C30   KGD: classical, Soldatenkov variation}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 f4e5

{C30   KGD: classical, Hanham variation}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 b1c3 b8d7

{C30   KGD: classical, Svenonius variation}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 b1c3 g8f6 f1c4 b8c6 d2d3 c8g4 h2h3 g4f3 d1f3 e5f4

{C30   KGD: 2...Nf6}e2e4 e7e5 f2f4 g8f6

{C31   KGD: Falkbeer counter-gambit}e2e4 e7e5 f2f4 d7d5

{C31   KGD: Falkbeer counter-gambit}e2e4 e7e5 f2f4 d7d5 e4d5

{C31   KGD: Nimzovich counter-gambit}e2e4 e7e5 f2f4 d7d5 e4d5 c7c6

{C31/04   KGD: Nimzovich counter-gambit, main line}e2e4 e7e5 f2f4 d7d5 e4d5 c7c6 b1c3 e5f4 g1f3 f8d6 d2d4 g8e7 d5c6 b8c6 f1c4 e8g8 e1g1 c8g4 c3e4 d6c7 c2c3 e7g6

{C31   KGD: Falkbeer (3...e4)}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4

{C31   KGD: Falkbeer (4.d3)}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3

{C31   KGD: Falkbeer, Morphy gambit}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 b1c3 f8b4 c1d2 e4e3

{C31   KGD: Falkbeer, Nimzovich variation}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 f1b5+

{C31   KGD: Falkbeer, Rubinstein variation}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 b1c3 g8f6 d1e2

{C31   KGD: Falkbeer, Milner-Barry variation}e2e4 e7e5 f2f4 d7d5 b1c3

{C31   KGD: Falkbeer, Tartakower variation}e2e4 e7e5 f2f4 d7d5 g1f3

{C32   KGD: Falkbeer, main line (7...Bf5)}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 g1f3 f8c5 d1e2 c8f5

{C32   KGD: Falkbeer, Charousek gambit}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 d1e2

{C32   KGD: Falkbeer, Charousek variation}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 d1e2 d8d5 b1d2 f7f5 g2g4

{C32   KGD: Falkbeer, Keres variation}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 b1d2

{C32   KGD: Falkbeer, Reti variation}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d1e2

{C33   King's gambit accepted}e2e4 e7e5 f2f4 e5f4

{C33   KGA: bishop's gambit}e2e4 e7e5 f2f4 e5f4 f1c4

{C33   KGA: bishop's gambit, Bledow variation}e2e4 e7e5 f2f4 e5f4 f1c4 d7d5

{C33   KGA: bishop's gambit, Morphy variation}e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 g8f6

{C33   KGA: bishop's gambit, Lopez-Gianutio counter-gambit}e2e4 e7e5 f2f4 e5f4 f1c4 f7f5

{C33   KGA: bishop's gambit, Steinitz defence}e2e4 e7e5 f2f4 e5f4 f1c4 g8e7

{C33   KGA: bishop's gambit, Cozio (Morphy) defence}e2e4 e7e5 f2f4 e5f4 f1c4 g8f6

{C33   KGA: bishop's gambit, Bogolyubov variation}e2e4 e7e5 f2f4 e5f4 f1c4 g8f6 b1c3

{C33   KGA: bishop's gambit, Jaenisch variation}e2e4 e7e5 f2f4 e5f4 f1c4 g8f6 b1c3 c7c6

{C33   KGA: bishop's gambit, Chigorin's attack}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 d7d5 c4d5 g7g5

{C33   KGA: bishop's gambit, classical defence}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 g7g5

{C33   KGA: Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit}e2e4 e7e5 f2f4 e5f4 f1e2

{C33   KGA: Keres (Mason-Steinitz) gambit}e2e4 e7e5 f2f4 e5f4 b1c3

{C34   King's knight's gambit}e2e4 e7e5 f2f4 e5f4 g1f3

{C34   KGA: Fischer defence}e2e4 e7e5 f2f4 e5f4 g1f3 d7d6

{C34/04   KGA: Fischer defence (4.d4)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d6 d2d4 g7g5 h2h4 g5g4 f3g1 f8h6

{C34   KGA: Gianutio counter-gambit}e2e4 e7e5 f2f4 e5f4 g1f3 f7f5

{C34   KGA: Becker defence}e2e4 e7e5 f2f4 e5f4 g1f3 h7h6

{C34   KGA: Bonsch-Osmolovsky variation}e2e4 e7e5 f2f4 e5f4 g1f3 g8e7

{C34   KGA: Schallop defence}e2e4 e7e5 f2f4 e5f4 g1f3 g8f6

{C35   KGA: Cunningham defence}e2e4 e7e5 f2f4 e5f4 g1f3 f8e7

{C35   KGA: Cunningham, Bertin gambit}e2e4 e7e5 f2f4 e5f4 g1f3 f8e7 f1c4 e7h4+ g2g3

{C35   KGA: Cunningham, three pawns gambit}e2e4 e7e5 f2f4 e5f4 g1f3 f8e7 f1c4 e7h4+ g2g3 f4g3 e1g1 g3h2+ g1h1

{C35   KGA: Cunningham, Euwe defence}e2e4 e7e5 f2f4 e5f4 g1f3 f8e7 f1c4 g8f6

{C36   KGA: modern defence (Abbazia defence)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5

{C36   KGA: modern defence (4.exd5 Nf6)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6

{C36/04   KGA: modern defence (4.exd5 Nf6 5.c4)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 c2c4 c7c6 d2d4 f8b4+ b1c3 c6d5 c1f4 e8g8 f1d3

{C36   KGA: modern defence, Botvinnik variation}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 f1b5+ c7c6 d5c6 b7c6 b5c4 f6d5

{C36/13   KGA: modern defence (6...Nxc6)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 f1b5+ c7c6 d5c6 b8c6 d2d4 f8d6 e1g1 e8g8 b1d2 c8g4 d2c4 d6c7 b5c6 b7c6 d1d3 g4f3 f1f3 f6h5

{C36/08   KGA: modern defence (6...Be6)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 f1c4 f6d5 e1g1 c8e6 c4b3 f8e7 c2c4 d5b6 d2d4 b6c4 c1f4

{C36/08   KGA: modern defence (6...Be6)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 f1c4 f6d5 e1g1 c8e6 d1e2 f8e7 b1c3 b8c6 d2d4 e8g8 c3d5 e6d5 c4d5 d8d5 c1f4

{C36/08   KGA: modern defence (5.Bc4)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 f1c4 f6d5 e1g1 f8e7 d2d4 e8g8 c4d5 d8d5 c1f4

{C36/07   KGA: modern defence (4.exd5 Nf6 5.Nc3)}e2e4 e7e5 f2f4 e5f4 g1f3 d7d5 e4d5 g8f6 b1c3 f6d5 c3d5 d8d5 d2d4 f8e7

{C36/01   KGA: modern defence (4...Bd6)}e2e4 e7e5 f2f4 d7d5 e4d5 e5f4 g1f3 f8d6 d2d4 g8e7 c2c4

{C37   KGA: Rosentreter gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 d2d4

{C37   KGA: Soerensen gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 d2d4 g5g4 f3e5

{C37   KGA: King's knight's gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4

{C37   KGA: Ghulam Kassim gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 d2d4

{C37   KGA: MacDonnell gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 b1c3

{C37   KGA: Salvio gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5

{C37   KGA: Cochrane gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4+ e1f1 f4f3

{C37   KGA: Salvio gambit, Anderssen counter-attack}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4+ e1f1 g8h6 d2d4 d7d6

{C37   KGA: Silberschmidt gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4+ e1f1 g8h6 d2d4 f4f3

{C37   KGA: Muzio gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1

{C37   KGA: Muzio gambit, Brentano defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 d7d5

{C37   KGA: Muzio gambit, Holloway defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 b8c6

{C37   KGA: Muzio gambit, From defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 d8e7

{C37   KGA: Muzio gambit, Paulsen variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 d8f6 e4e5 f6e5 d2d3 f8h6 b1c3 g8e7 c1d2 b8c6 a1e1

{C37   KGA: double Muzio gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 d8f6 e4e5 f6e5 c4f7+

{C37   KGA: Muzio gambit, Kling and Horwitz counter-attack}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 d8e7

{C37   KGA: Quaade gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 b1c3

{C38   King's knight's gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7

{C38   KGA: Philidor gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 h2h4

{C38   KGA: Philidor gambit, Schultz variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 h2h4 h7h6 d2d4 d7d6 d1d3

{C38   KGA: Hanstein gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 e1g1

{C39   King's knight's gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4

{C39   KGA: Kieseritsky, Kolisch defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d6

{C39   KGA: Kieseritsky, long whip defence, Jaenisch variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 h7h5 f1c4 h8h7 d2d4 f8h6 b1c3

{C39   KGA: Kieseritsky, Paulsen defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 f8g7

{C39   KGA: Kieseritsky, Berlin defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6

{C39   KGA: Kieseritsky, Rice gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6 f1c4 d7d5 e4d5 f8d6 e1g1

{C39   KGA: Kieseritsky, Berlin defence, Riviere variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6 e5g4 d7d5

{C39   KGA: Kieseritsky, Salvio (Rosenthal) defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d8e7

{C39   KGA: Allgaier gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5

{C39   KGA: Allgaier, Thorold variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 d2d4

{C39   KGA: Allgaier, Cook variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 d2d4 d7d5 c1f4 d5e4 f1c4+ f7g7 f4e5+

{C39   KGA: Allgaier, Blackburne gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 b1c3

{C39   KGA: Allgaier, Schlechter defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 g8f6

{C40   King's knight opening}e2e4 e7e5 g1f3

{C40   QP counter-gambit (elephant gambit)}e2e4 e7e5 g1f3 d7d5

{C40   QP counter-gambit: Maroczy gambit}e2e4 e7e5 g1f3 d7d5 e4d5 f8d6

{C40   Latvian counter-gambit}e2e4 e7e5 g1f3 f7f5

{C40   Latvian gambit (3.Bc4)}e2e4 e7e5 g1f3 f7f5 f1c4

{C40   Latvian: Polerio variation}e2e4 e7e5 g1f3 f7f5 f1c4 f5e4 f3e5 d7d5

{C40   Latvian: corkscrew counter-gambit}e2e4 e7e5 g1f3 f7f5 f1c4 f5e4 f3e5 g8f6

{C40   Latvian: Fraser defence}e2e4 e7e5 g1f3 f7f5 f3e5 b8c6

{C40   Lettic gambit}e2e4 e7e5 g1f3 f7f5 f3e5 d8f6 d2d4 d7d6 e5c4 f5e4 f1e2 f6d8 e1g1 g8f6

{C40   Latvian: Nimzovich variation}e2e4 e7e5 g1f3 f7f5 f3e5 d8f6 d2d4 d7d6 e5c4 f5e4 c4e3

{C40   Damiano's defence}e2e4 e7e5 g1f3 f7f6

{C40   Brazilian (Gunderam) defence}e2e4 e7e5 g1f3 d8e7

{C40   Greco defence}e2e4 e7e5 g1f3 d8f6

{C41   Philidor's defence}e2e4 e7e5 g1f3 d7d6

{C41   Philidor's defence}e2e4 e7e5 g1f3 d7d6 d2d4

{C41   Philidor: exchange variation}e2e4 e7e5 g1f3 d7d6 d2d4 e5d4

{C41   Philidor: exchange variation}e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4

{C41   Philidor: Larsen variation}e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 g7g6

{C41   Philidor: exchange variation}e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 g8f6

{C41   Philidor: Berger variation}e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 g8f6 b1c3 f8e7 f1e2 e8g8 e1g1 c7c5 d4f3 b8c6 c1g5 c8e6 f1e1

{C41   Philidor: Boden variation}e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 d1d4 c8d7

{C41   Philidor: Philidor counter-gambit, del Rio attack}e2e4 e7e5 g1f3 d7d6 d2d4 f7f5 d4e5 f5e4 f3g5 d6d5 e5e6

{C41   Philidor: Philidor counter-gambit, Zukertort variation}e2e4 e7e5 g1f3 d7d6 d2d4 f7f5 b1c3

{C41   Philidor: Hanham variation}e2e4 e7e5 g1f3 d7d6 d2d4 b8d7

{C41   Philidor: Hanham, Schlechter variation}e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 b1c3

{C41   Philidor: Hanham, Steiner variation}e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 e1g1 f8e7 d4e5

{C41   Philidor: Nimzovich (Jaenisch) variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6

{C41   Philidor: Nimzovich, Rellstab variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 d4e5 f6e4 d1d5

{C41   Philidor: Improved Hanham variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 b1c3 b8d7

{C41   Philidor: Nimzovich, Larobok variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 b1c3 b8d7 f1c4 f8e7 f3g5 e8g8 c4f7+

{C41   Philidor: Nimzovich, Sozin variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 b1c3 b8d7 f1c4 f8e7 e1g1 e8g8 d1e2 c7c6 a2a4 e5d4

{C41   Philidor: Lopez counter-gambit}e2e4 e7e5 g1f3 d7d6 f1c4 f7f5 d2d4

{C41   Philidor: Steinitz variation}e2e4 e7e5 g1f3 d7d6 f1c4 f8e7 c2c3

{C41   Philidor: De Legall trap}e2e4 e7e5 f1c4 d7d6 g1f3 c8g4 b1c3 g7g6 f3e5

{C41   Pirc: Improved Hanham variation}e2e4 d7d6 d2d4 g8f6 b1c3 e7e5 g1f3 b8d7

{C41/10   Pirc: Improved Hanham variation}e2e4 d7d6 d2d4 g8f6 b1c3 e7e5 g1f3 b8d7 f1c4 f8e7 e1g1 e8g8 f1e1 c7c6 a2a4 b7b6

{C42   Petrov's defence}e2e4 e7e5 g1f3 g8f6

{C42/01   Russian defence: (Petroff's)}e2e4 e7e5 g1f3 g8f6 f1c4 f6e4 b1c3

{C42   Petrov: three knights game}e2e4 e7e5 g1f3 g8f6 b1c3

{C42   Petrov: Paulsen attack}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5c4

{C42   Petrov: Kaufmann attack}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 c2c4

{C42   Petrov: French attack}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d3

{C42   Petrov: classical attack}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4

{C42   Petrov: classical attack, Marshall variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8d6

{C42   Petrov: classical attack, Tarrasch variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8d6 e1g1 e8g8 c2c4 c8g4

{C42   Petrov: classical attack, Marshall trap}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8d6 e1g1 e8g8 c2c4 c8g4 c4d5 f7f5 f1e1 d6h2+

{C42   Petrov: classical attack, Jaenisch variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 c2c4

{C42   Petrov: classical attack, Chigorin variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1

{C42   Petrov: classical attack, Berger variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1 c8g4 c2c3 f7f5 b1d2

{C42/19   Petrov: classical attack, Chigorin (9.c4) variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1 c8g4 c2c4 e4f6 c4d5

{C42   Petrov: classical attack, Mason variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 e8g8

{C42/20   Petrov: classical attack, Jaenisch variation (Kramnik)}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 b8c6 e1g1 f8e7 c2c4 c6b4 d3e2 e8g8 b1c3 c8e6

{C42   Petrov: Nimzovich attack}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 b1c3

{C42   Petrov: Cozio (Lasker) attack}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d1e2

{C42   Petrov: Cochrane gambit}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f7

{C42   Petrov: Damiano variation}e2e4 e7e5 g1f3 g8f6 f3e5 f6e4

{C42/04   Petrov: Damiano variation (4.Qe2)}e2e4 e7e5 g1f3 g8f6 f3e5 f6e4 d1e2 d8e7 e2e4 d7d6 d2d4 d6e5

{C43   Petrov: modern (Steinitz) attack}e2e4 e7e5 g1f3 g8f6 d2d4

{C43   Petrov: modern attack, main line}e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 e4e5 f6e4 d1d4

{C43   Petrov: Urusov gambit}e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 f1c4

{C43   Petrov: modern attack, Symmetrical variation}e2e4 e7e5 g1f3 g8f6 d2d4 f6e4

{C43   Petrov: modern attack, Trifunovic variation}e2e4 e7e5 g1f3 g8f6 d2d4 f6e4 f1d3 d7d5 f3e5 f8d6 e1g1 e8g8 c2c4 d6e5

{C44   Ponziani: Steinitz variation}e2e4 e7e5 g1f3 b8c6 c2c3 d7d5 d1a4 f7f6

{C44   Ponziani: Fraser defence}e2e4 e7e5 g1f3 b8c6 c2c3 g8f6 d2d4 f6e4 d4d5 f8c5

{C44/01   Green's opening (d3)}e2e4 e7e5 g1f3 b8c6 d2d3

{C44   Scotch opening}e2e4 e7e5 g1f3 b8c6 d2d4

{C44   Scotch: Goering gambit}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3

{C44   Scotch: Goering gambit}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3 d4c3 b1c3 f8b4

{C44   Scotch: Goering gambit, Bardeleben variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3 d4c3 b1c3 f8b4 f1c4 g8f6

{C44   Scotch gambit}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4

{C44   Scotch gambit}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8c5 f3g5

{C44   Scotch gambit: Anderssen (Paulsen, Suhle) counter-attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8c5 e1g1 d7d6 c2c3 c8g4

{C44   Scotch: Lolli variation}e2e4 e7e5 g1f3 b8c6 d2d4 c6d4 f3d4 e5d4 d1d4

{C44   Konstantinopolsky opening}e2e4 e7e5 g1f3 b8c6 g2g3

{C44   Inverted Hungarian}e2e4 e7e5 g1f3 b8c6 f1e2

{C44   Inverted Hanham}e2e4 e7e5 g1f3 b8c6 f1e2 g8f6 d2d3 d7d5 b1d2

{C44/02   Inverted Hanham}e2e4 e7e5 g1f3 g8f6 d2d3 b8c6 f1e2 d7d5

{C44/01   Three knights with 3.d3}e2e4 e7e5 g1f3 g8f6 d2d3 b8c6 g2g3 f8c5 f1g2 d7d6 e1g1

{C45   Scotch game}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4

{C45   Scotch game}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5

{C45   Scotch: Paulsen attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 f1b5

{C45   Scotch: Meitner variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 d4c2

{C45   Scotch: Blumenfeld attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 d4b5

{C45   Scotch: Potter variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 d4b3

{C45   Scotch: Schmidt variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6

{C45   Scotch: Mieses variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6 d4c6 b7c6 e4e5

{C45   Scotch: Pulling counter-attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4

{C45   Scotch: Steinitz variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 b1c3

{C46   Three knights game}e2e4 e7e5 g1f3 b8c6 b1c3

{C46   Three knights: Steinitz variation}e2e4 e7e5 g1f3 b8c6 b1c3 g7g6

{C46   Three knights: Steinitz, Rosenthal variation}e2e4 e7e5 g1f3 b8c6 b1c3 g7g6 d2d4 e5d4 c3d5

{C47   Four knights game}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6

{C47   Four knights: Gunsberg variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 a2a3

{C47   Four knights: Scotch variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4

{C47   Four knights: Scotch variation (4...d6)}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 d7d6

{C47   Four knights: Belgrade gambit}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 e5d4 c3d5

{C47/05   Four knights: Scotch (4...exd4 5.Nxd4)}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 e5d4 f3d4

{C47   Four knights: Scotch, Krause variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 f8b4 f3e5

{C47   Four knights: Ioseliani-Glek variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 g2g3

{C47/01   Four knights: Ioseliani-Glek (4...d5)}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 g2g3 d7d5 e4d5 f6d5 f1g2 d5c3 b2c3 f8c5 e1g1 e8g8

{C47/01   Four knights: Ioseliani-Glek variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 g2g3 f8b4 f1g2

{C48   Four knights: Spanish variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5

{C48   Four knights: Spielmann variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 a7a6 b5c6 d7c6 f3e5 f6e4 c3e4 d8d4 e1g1 d4e5 f1e1 c8e6 d2d4 e5d5

{C48   Four knights: Spanish, classical defence}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8c5

{C48   Four knights: Marshall variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8c5 e1g1 e8g8 f3e5 c6d4

{C48   Four knights: Rubinstein counter-gambit}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4

{C48   Four knights: Rubinstein counter-gambit, exchange variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 f3d4

{C48   Four knights: Rubinstein counter-gambit, Henneberger variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 e1g1

{C49   Four knights: double Ruy Lopez}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4

{C49   Four knights: double Ruy Lopez}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3

{C49   Four knights: symmetrical variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6

{C49   Four knights: symmetrical, Metger unpin}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 b4c3 b2c3 d8e7

{C49   Four knights: symmetrical, Capablanca variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 b4c3 b2c3 d8e7 f1e1 c6d8 d3d4 c8g4

{C49   Four knights: symmetrical, Maroczy system}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c3e2

{C49   Four knights: Janowski variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 b4c3 b2c3 d7d6 f1e1

{C49   Four knights: Nimzovich (Paulsen) variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 b5c6

{C49   Four knights: Gunsberg counter-attack}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 c3d5 f6d5 e4d5 e5e4

{C50   King's pawn game}e2e4 e7e5 g1f3 b8c6 f1c4

{C50/01   King's pawn game}e2e4 e7e5 g1f3 b8c6 f1c4 d7d6 c2c3

{C50   Rousseau gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f7f5 d2d4

{C50   Giuoco Piano}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5

{C50   Giuoco Pianissimo}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3

{C50   Giuoco Pianissimo}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 g8f6

{C50   Giuoco Pianissimo: Italian four knights variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 g8f6 b1c3

{C50   Giuoco Pianissimo: Canal variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 g8f6 b1c3 d7d6 c1g5

{C50/06   Giuoco Piano: four knights variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b1c3 g8f6

{C50   Hungarian defence}e2e4 e7e5 g1f3 b8c6 f1c4 f8e7

{C50   Hungarian defence: Tartakower variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8e7 d2d4 e5d4 c2c3 g8f6 e4e5 f6e4

{C50   Giuoco Piano (4.Nc3)}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 b1c3 f8c5 e1g1 d7d6 d2d3 c8g4 c1e3

{C50/05   Scotch gambit: Benima defence}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8e7

{C50   Bishop's opening: King's pawn game}e2e4 e7e5 f1c4 b8c6 g1f3

{C51   Evans gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4

{C51   Evans gambit declined: 5.a4}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 a2a4

{C51   Evans gambit: normal variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6

{C51   Evans gambit: Ulvestad variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 d4d5 c6a5 c1b2

{C51   Evans gambit: Paulsen variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 d4d5 c6a5 c1b2 g8e7

{C51   Evans gambit: Morphy attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3

{C51   Evans gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c8g4

{C51   Evans gambit: Stone-Ware variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4d6

{C51   Evans gambit: Cordel variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4e7 d2d4 c6a5

{C52   Evans gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6

{C52   Evans gambit: Tartakower attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6 d1b3

{C52   Evans gambit: compromised defence}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 e5d4 e1g1 d4c3

{C52   Evans gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1

{C52   Evans gambit: Waller attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 e5d4 d1b3

{C52   Evans gambit: Lasker defence}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 a5b6

{C52   Evans gambit: Alapin-Steinitz variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 c8g4

{C53   Giuoco Piano}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3

{C53   Giuoco Piano}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6

{C53   Giuoco Piano: Bird's attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 b2b4

{C53   Giuoco Piano}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 d7d5

{C53   Giuoco Piano: Anderssen variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 d7d5 c4b5 f6e4 c3d4 c5b4+

{C53   Giuoco Piano: close variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7

{C53   Giuoco Piano: Eisinger variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6 d4d5 c6b8 d5d6

{C54   Giuoco Piano}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4

{C54   Giuoco Piano: Krause variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ c1d2 f6e4 d2b4 c6b4 c4f7+ e8f7 d1b3+ d7d5 f3e5+ f7f6 f2f3

{C54   Giuoco Piano: Greco's attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3

{C54   Giuoco Piano}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 b4c3

{C54   Giuoco Piano: Moeller (Therkatz) attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 b4c3 d4d5

{C54/02   Giuoco Piano: d3 variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d3 d7d6

{C54/02   Giuoco Piano: d3 variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d3 d7d6 b2b4 c5b6 a2a4 a7a6 e1g1 e8g8 b1d2 c6e7 c4b3 e7g6 d2c4

{C54/02   Giuoco Piano: d3 variation (Lasker)}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d3 d7d6 b1d2 a7a6

{C54/02   Giuoco Piano: d3 variation (Gaprindasvili-Ciburdanidze)}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d3 d7d6 b1d2 a7a6 c4b3 c5a7 d2c4

{C54/02   Giuoco Piano: d3 variation, modern main line}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d3 d7d6 b1d2 a7a6 c4b3 e8g8 e1g1 c5a7 d2c4 c6e7

{C54/02   Giuoco Piano: d3 variation, main line}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d3 d7d6 e1g1 e8g8 c4b3 a7a6 f1e1 c5a7 h2h3 c6e7 b1d2 e7g6 d2f1 f6h5 c1g5

{C54/02   Giuoco Piano: d3 variation, main line}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d3 d7d6 e1g1 e8g8 b1d2 a7a6 c4b3 c5a7 h2h3 h7h6 f1e1 f6h5 d2f1

{C54/02   Giuoco Piano: d3 variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 e1g1 g8f6 d2d3 d7d6 c2c3 e8g8 c4b3 a7a6 b1d2 c5a7 h2h3 h7h6 f1e1 f6h5 d2f1 d8f6 f1e3 h5f4 e3d5 f4d5

{C55   Two knights defence (Modern bishop's opening)}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d3

{C55/04   Two knights defence (bishop's opening, 5.c3)}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d3 f8e7 c2c3 e8g8 e1g1 d7d6 c4b3 c6a5 b3c2 c7c5

{C55/04   Two knights defence (modern bishop's opening)}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d3 f8e7 e1g1 e8g8 f1e1 d7d6 a2a4 h7h6

{C55   Two knights defence: Keidanz variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e4e5 d7d5 c4b5 f6e4 f3d4 f8c5 d4c6 c5f2+ e1f1 d8h4

{C55   Two knights defence: Perreux variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 f3g5

{C55   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1

{C55   Two knights: Max Lange attack}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5

{C55   Two knights: Max Lange attack, Marshall variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1+ c8e6 f3g5 d8d5 b1c3 d5f5 c3e4

{C55   Two knights defence (4.Nc3)}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 b1c3 f8c5 e1g1 e8g8 d2d3 d7d6 c1g5

{C55   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 b1c3 f6e4 c3e4 d7d5

{C55   Giuoco piano}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 e1g1 f8c5 d2d4 c5d4 f3d4 c6d4 c1g5 d7d6

{C55   Four knights: Italian variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1c4

{C55/06   Scotch gambit: Dubois-Reti defence}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 g8f6

{C55/03   Bishop's opening: Two knights defence}e2e4 e7e5 f1c4 g8f6 d2d3 b8c6 g1f3

{C56   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f6e4

{C56   Two knights defence: Yurdansky attack}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f6e4 f1e1 d7d5 c4d5 d8d5 b1c3 d5a5 c3e4 c8e6 c1g5

{C57   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5

{C57   Two knights defence: Ulvestad variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 b7b5

{C57   Two knights defence: Fritz variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6d4

{C57   Two knights defence: Fritz, Gruber variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6d4 c2c3 b7b5 c4f1 f6d5 g5e4

{C57/10   Two knights defence: Fried Liver (Fegatello) attack}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 g5f7

{C57   Two knights defence: Traxler Counterattack (Wilkes Barre)}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 f8c5

{C58   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+

{C58   Two knights defence: Kieseritsky variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 d2d3

{C59   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 b5e2 h7h6

{C59   Two knights defence: Knorre variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 b5e2 h7h6 g5f3 e5e4 f3e5 f8d6 d2d4 d8c7 c1d2

{C59   Two knights defence: Goering variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 b5e2 h7h6 g5f3 e5e4 f3e5 d8c7

{C59   Two knights defence: Steinitz variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 b5e2 h7h6 g5h3

{C60   Ruy Lopez (Spanish opening)}e2e4 e7e5 g1f3 b8c6 f1b5

{C60   Ruy Lopez: fianchetto (Smyslov-Barnes) defence}e2e4 e7e5 g1f3 b8c6 f1b5 g7g6

{C60   Ruy Lopez: Cozio defence}e2e4 e7e5 g1f3 b8c6 f1b5 g8e7

{C60   Ruy Lopez: Cozio defence, Paulsen variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8e7 b1c3 g7g6

{C61   Ruy Lopez: Bird's defence}e2e4 e7e5 g1f3 b8c6 f1b5 c6d4

{C61   Ruy Lopez: Bird's defence, Paulsen variation}e2e4 e7e5 g1f3 b8c6 f1b5 c6d4 f3d4 e5d4 e1g1 g8e7

{C62   Ruy Lopez: old Steinitz defence}e2e4 e7e5 g1f3 b8c6 f1b5 d7d6

{C62/02   Ruy Lopez: old Steinitz defence (d4 ...exd4)}e2e4 e7e5 g1f3 b8c6 f1b5 d7d6 d2d4 e5d4 d1d4 c8d7 b5c6 d7c6 b1c3 g8f6 c1g5 f8e7 e1c1 e8g8 h1e1 f8e8

{C62   Ruy Lopez: old Steinitz defence, semi-Duras variation}e2e4 e7e5 g1f3 b8c6 f1b5 d7d6 d2d4 c8d7 c2c4

{C62   Ruy Lopez: old Steinitz defence, Nimzovich attack}e2e4 e7e5 g1f3 b8c6 f1b5 d7d6 d2d4 c8d7 b1c3 g8f6 b5c6

{C63   Ruy Lopez: Schliemann defence}e2e4 e7e5 g1f3 b8c6 f1b5 f7f5

{C63   Ruy Lopez: Schliemann defence, Berger variation}e2e4 e7e5 g1f3 b8c6 f1b5 f7f5 b1c3

{C64   Ruy Lopez: classical (Cordel) defence}e2e4 e7e5 g1f3 b8c6 f1b5 f8c5

{C64   Ruy Lopez: classical defence (4.c3)}e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3

{C64   Ruy Lopez: Cordel gambit}e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3 f7f5

{C64   Ruy Lopez: classical defence, Zaitsev variation}e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 e1g1 c6d4 b2b4

{C65   Ruy Lopez: Berlin defence}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6

{C65/01   Ruy Lopez: Berlin defence, Steinitz variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 d7d6 c2c3 g7g6 b1d2 f8g7 d2f1 e8g8 b5a4 f6d7 f1e3

{C65   Ruy Lopez: Berlin defence, Duras variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 d7d6 c2c4

{C65   Ruy Lopez: Berlin defence, Anderssen variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 d7d6 b5c6+

{C65   Ruy Lopez: Berlin defence, Kaufmann variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 f8c5 c1e3

{C65   Ruy Lopez: Berlin defence, Mortimer variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 c6e7

{C65   Ruy Lopez: Berlin defence, Nyholm attack}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d4 e5d4 e1g1

{C65   Ruy Lopez: Berlin defence (4.O-O)}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1

{C65   Ruy Lopez: Berlin defence, Beverwijk variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f8c5

{C65   Ruy Lopez: classical defence, Benelux variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f8c5 c2c3 e8g8 d2d4 c5b6

{C65/17   Ruy Lopez: classical defence, Benelux (7.Bg5)}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f8c5 c2c3 e8g8 d2d4 c5b6 c1g5 h7h6 g5h4 d7d6 a2a4 a7a5 f1e1

{C65/08   Ruy Lopez: Berlin defence, Beverwijk variation, main line}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f8c5 f3e5 f6e4 d1e2 c6e5 e2e4 d8e7 d2d4 e5c6 e4g4 f7f5

{C66   Ruy Lopez: Berlin defence (4.O-O d6)}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6

{C66   Ruy Lopez: closed Berlin defence, Wolf variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 e5d4

{C66   Ruy Lopez: Berlin defence, hedgehog variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7

{C66   Ruy Lopez: closed Berlin defence, Bernstein variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7 c1g5

{C66   Ruy Lopez: closed Berlin defence, Showalter variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7 b5c6

{C66/03   Ruy Lopez: Berlin defence, Tarrasch trap}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 c8d7 b1c3 f8e7 f1e1 e8g8

{C66   Ruy Lopez: closed Berlin defence, Chigorin variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 d7d6 d2d4 f6d7

{C66   Ruy Lopez: Berlin defence, hedgehog variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f8e7 b1c3 d7d6 d2d4 c8d7

{C66/03   Ruy Lopez: Berlin defence, Tarrasch trap}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f8e7 f1e1 d7d6 d2d4 c8d7 b1c3 e8g8

{C67   Ruy Lopez: Berlin defence, open variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4

{C67/04   Ruy Lopez: Berlin defence, Rosenthal variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 a7a6

{C67   Ruy Lopez: open Berlin defence (5...Be7)}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7

{C67   Ruy Lopez: Berlin defence, Minckwitz variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d4e5

{C67   Ruy Lopez: Berlin defence, Pillsbury variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 b2b3

{C67   Ruy Lopez: Berlin defence, Rio de Janeiro variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 b1c3 e8g8 f1e1 b7c5 f3d4 c5e6 c1e3 e6d4

{C67   Ruy Lopez: Berlin defence, Winawer attack}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 f3d4

{C67   Ruy Lopez: open Berlin defence, l'Hermet variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 d4e5

{C67/08   Ruy Lopez: open Berlin defence (6.Bxc6)}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 b5c6 d7c6 d4e5 d6f5 d1d8+ e8d8 b1c3 h7h6

{C68   Ruy Lopez: exchange variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6

{C68   Ruy Lopez: exchange, Alekhine variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 d2d4 e5d4 d1d4 d8d4 f3d4 c8d7

{C68   Ruy Lopez: exchange, Keres variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 b1c3

{C68   Ruy Lopez: exchange, Romanovsky variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 b1c3 f7f6 d2d3

{C68   Ruy Lopez: exchange variation (5.O-O)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1

{C68/10   Ruy Lopez: exchange (5...Bd6)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 f8d6 d2d4 e5d4 d1d4 f7f6 c1e3 g8e7 b1d2 c8e6

{C68   Ruy Lopez: exchange variation, Alapin gambit}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 c8g4 h2h3 h7h5

{C68/20   Ruy Lopez: exchange variation, Alapin gambit (correspondence line)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 c8g4 h2h3 h7h5 d2d3 d8f6 b1d2 g8e7 f1e1 e7g6 d3d4 f8d6 h3g4 h5g4 f3h2 h8h2 d1g4

{C68/12   Ruy Lopez: exchange (5...Qd6)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 d8d6

{C69   Ruy Lopez: exchange, Gligoric variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5c6 d7c6 e1g1 f7f6 d2d4

{C70   Ruy Lopez: Graz variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 b7b5 a4b3 f8c5

{C70   Ruy Lopez: Taimanov (chase wing accelerated counterthrust) variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 b7b5 a4b3 c6a5

{C70   Ruy Lopez: Schliemann defence deferred}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 f7f5

{C70   Ruy Lopez: classical defence deferred}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 f8c5

{C70   Ruy Lopez: Cozio defence deferred}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8e7

{C71   Ruy Lopez: modern Steinitz defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6

{C71   Ruy Lopez: modern Steinitz defence, Duras (Keres) variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c4

{C71   Ruy Lopez: Noah's ark trap}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 d2d4 b7b5 a4b3 c6d4 f3d4 e5d4 d1d4 c7c5

{C72   Ruy Lopez: modern Steinitz defence (5.O-O)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 e1g1

{C73   Ruy Lopez: modern Steinitz defence, Richter variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 a4c6+ b7c6 d2d4

{C73   Ruy Lopez: modern Steinitz defence, Alapin variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 a4c6+ b7c6 d2d4 f7f6

{C74   Ruy Lopez: modern Steinitz defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3

{C74   Ruy Lopez: modern Steinitz defence, siesta variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 f7f5

{C74   Ruy Lopez: Siesta, Kopayev variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 f7f5 e4f5 c8f5 e1g1

{C75   Ruy Lopez: modern Steinitz defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 c8d7

{C75   Ruy Lopez: modern Steinitz defence, Rubinstein variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 c8d7 d2d4 g8e7

{C75/04   Ruy Lopez: modern Steinitz defence, Rubinstein-Geller variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 c8d7 d2d4 g8e7 e1g1 e7g6 d4d5 c6b8 c3c4 f8e7 b1c3

{C76   Ruy Lopez: modern Steinitz defence, fianchetto (Bronstein) variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 c2c3 c8d7 d2d4 g7g6 e1g1 f8g7

{C77   Ruy Lopez: Morphy defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6

{C77   Ruy Lopez: Anderssen variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d2d3

{C77   Ruy Lopez: Morphy defence, Duras variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d2d3 d7d6 c2c4

{C77/20   Ruy Lopez: Morphy defence (5.d4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d2d4

{C77   Ruy Lopez: Treybal (Bayreuth) variation (exchange deferred)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 a4c6

{C77   Ruy Lopez: four knights (Tarrasch) variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 b1c3

{C77   Ruy Lopez: Worrall (Alapin) attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d1e2

{C77   Ruy Lopez: Worrall attack, Gruenfeld variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d1e2 b7b5 a4b3 f8e7 d2d4 d7d6 c2c3 c8g4

{C78   Ruy Lopez: (...b5...d6)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 d7d6

{C78   Ruy Lopez: Archangelsk (counterthrust) variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 c8b7

{C78   Ruy Lopez: Archangel variation (...Bc5)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 f8c5

{C78/17   Ruy Lopez: Archangel variation (...Bc5)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 f8c5 f1e1 d7d6 c2c3 e8g8 d2d4 c5b6 h2h3 c8b7

{C78   Ruy Lopez: wing attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 f8e7 a2a4

{C78   Ruy Lopez: Moeller defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8c5

{C79   Ruy Lopez: Steinitz defence deferred (Russian defence)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6

{C79   Ruy Lopez: Steinitz defence deferred, Lipnitsky variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6 a4c6+ b7c6 d2d4 c8g4

{C79   Ruy Lopez: Steinitz defence deferred, Rubinstein variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6 a4c6+ b7c6 d2d4 f6e4

{C79   Ruy Lopez: Steinitz defence deferred, Boleslavsky variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 d7d6 a4c6+ b7c6 d2d4 f6e4 f1e1 f7f5 d4e5 d6d5 b1c3

{C80   Ruy Lopez: open (Tarrasch) defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4

{C80   Ruy Lopez: open, Schlechter defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 a2a4 c6d4

{C80   Ruy Lopez: open, Harksen gambit}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 c2c4

{C80   Ruy Lopez: open (8.dxe5)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5

{C80   Ruy Lopez: open (8...Be6)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6

{C80   Ruy Lopez: open, Bernstein variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 b1d2

{C80   Ruy Lopez: open, Bernstein variation, Karpov gambit}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 b1d2 e4c5 c2c3 d5d4 f3g5

{C80   Ruy Lopez: open, Riga variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 e5d4

{C80   Ruy Lopez: open, Tartakower variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d1e2

{C81   Ruy Lopez: open, Howell attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 d1e2

{C81   Ruy Lopez: open, Howell attack, Ekstroem variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 d1e2 f8e7 f1d1 e8g8 c2c4 b5c4 b3c4 d8d7

{C82   Ruy Lopez: open, Dilworth variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 b1d2 e8g8 b3c2 e4f2

{C82   Ruy Lopez: open, Motzko attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 d1d3

{C82   Ruy Lopez: open, Berlin variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 e4c5

{C83   Ruy Lopez: open, classical defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7

{C83   Ruy Lopez: open, Malkin variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 b1d2 e8g8 d1e2

{C83   Ruy Lopez: open, Breslau variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 f1e1 e8g8 f3d4 c6e5

{C84   Ruy Lopez: closed defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7

{C84/01   Ruy Lopez: closed (6.d3)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d2d3

{C84/05   Ruy Lopez: closed (7...d6)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d2d3 b7b5 a4b3 d7d6

{C84/02   Ruy Lopez: closed (7...Bb7)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d2d3 b7b5 a4b3 c8b7

{C84   Ruy Lopez: closed, centre attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d2d4

{C84   Ruy Lopez: closed, Basque gambit (North Spanish variation)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d2d4 e5d4 e4e5 f6e4 c2c3

{C84   Ruy Lopez: closed (5...b5)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 f8e7 b1c3

{C84/17   Ruy Lopez: closed, Basque gambit (8.Nxd4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d2d4 e5d4 e1g1 f8e7 e4e5 f6e4 f3d4 e8g8 d4f5 d7d5 a4c6 b7c6 f5e7+ d8e7 f1e1 f8e8 f2f3 e4d6 b2b3

{C84/21   Ruy Lopez: closed, centre attack (7.Re1)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 d2d4 e5d4 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 b3d5 f6d5 e4d5 c6e5 f3d4 e8g8 b1c3 f8e8

{C85   Ruy Lopez: exchange variation doubly deferred}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 a4c6

{C86   Ruy Lopez: Worrall attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d1e2

{C86   Ruy Lopez: Worrall attack, solid line}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d1e2 b7b5 a4b3 d7d6

{C86   Ruy Lopez: Worrall attack, sharp line}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 d1e2 b7b5 a4b3 e8g8 c2c3

{C87   Ruy Lopez: closed, Averbach variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 d7d6

{C88   Ruy Lopez: closed, Balla variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 c2c3 c6a5 b3c2 c7c5 d2d4 d8c7 a2a4

{C88   Ruy Lopez: closed (7...d6 8.d4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 d2d4

{C88   Ruy Lopez: Trajkovic counter-attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 c8b7

{C88   Ruy Lopez: closed (7...O-O)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8

{C88   Ruy Lopez: closed, anti-Marshall (8.a4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 a2a4

{C88   Ruy Lopez: closed (8.c3)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3

{C88/04   Ruy Lopez: closed (8.h3)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 h2h3

{C89   Ruy Lopez: Marshall counter-attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5

{C89   Ruy Lopez: Marshall, Herman Steiner variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 e5e4

{C89   Ruy Lopez: Marshall counter-attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6

{C89   Ruy Lopez: Marshall, main line}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 d2d4 e7d6 e5e1 d8h4 g2g3 h4h3

{C89   Ruy Lopez: Marshall, main line, Spassky variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 d2d4 e7d6 e5e1 d8h4 g2g3 h4h3 c1e3 c8g4 d1d3 a8e8 b1d2 e8e6 a2a4 h3h5

{C89   Ruy Lopez: Marshall, Kevitz variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 b3d5 c6d5 d2d4 e7d6 e5e3

{C90   Ruy Lopez: closed (with...d6)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6

{C90   Ruy Lopez: closed, Suetin variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 a2a3

{C90   Ruy Lopez: closed, Pilnik variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 d2d3

{C91   Ruy Lopez: closed (9.d4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 d2d4

{C91   Ruy Lopez: closed, Bogolyubov variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 d2d4 c8g4

{C92   Ruy Lopez: closed (9.h3)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3

{C92   Ruy Lopez: closed, Keres (9...a5) variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 a6a5

{C92   Ruy Lopez: closed, Flohr-Zaitsev system (Lenzerheide variation)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c8b7

{C92/26   Ruy Lopez: closed, Flohr-Zaitsev system}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c8b7 d2d4 f8e8 b1d2 e7f8 a2a4 h7h6 b3c2 e5d4 c3d4 c6b4 c2b1 c7c5 d4d5 f6d7 a1a3 c5c4

{C92   Ruy Lopez: closed, Kholmov variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c8e6

{C92   Ruy Lopez: closed, Ragozin-Petrosian (Keres) variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 f6d7

{C93   Ruy Lopez: closed, Smyslov defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 h7h6

{C93/11   Ruy Lopez: closed, Smyslov defence, modern mail line}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 h7h6 d2d4 f8e8 b1d2 e7f8 d2f1 c8b7 f1g3 c6a5 b3c2 a5c4 b2b3 c4b6 f3h2

{C94   Ruy Lopez: closed, Breyer defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8

{C95   Ruy Lopez: closed, Breyer, Borisenko variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4 b8d7

{C95   Ruy Lopez: closed, Breyer, Gligoric variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4 b8d7 b1d2 c8b7 b3c2 c7c5

{C96   Ruy Lopez: closed (8...Na5)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2

{C96   Ruy Lopez: closed (10...c5)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5

{C96   Ruy Lopez: closed, Borisenko defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 a5c6

{C96   Ruy Lopez: closed, Keres (...Nd7) defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 f6d7

{C97   Ruy Lopez: closed, Chigorin defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2

{C97   Ruy Lopez: closed, Chigorin, Yugoslav system}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 c8d7 d2f1 f8e8 f1e3 g7g6

{C98   Ruy Lopez: closed, Chigorin (12...Nc6)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 a5c6

{C98   Ruy Lopez: closed, Chigorin, Rauzer attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 a5c6 d4c5

{C99   Ruy Lopez: closed, Chigorin (...cxd4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 c5d4 c3d4

{C99/13   Ruy Lopez: closed, Chigorin (...cxd4...Bb7)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c5 d2d4 d8c7 b1d2 c5d4 c3d4 c8b7 d2f1 a8c8 c2b1 d6d5

{D00   Queen's pawn game}d2d4 d7d5

{D00   Queen's pawn: stonewall attack}d2d4 d7d5 e2e3 g8f6 f1d3

{D00   Dutch stonewall attack system}d2d4 d7d5 e2e3 g8f6 f1d3 c7c5 c2c3 b8c6 f2f4 e7e6

{D00/01   Blackmar-Diemer gambit}d2d4 d7d5 e2e4 d5e4 b1c3

{D00/01   Lemberger counter (Blackmar-Diemer) gambit}d2d4 d7d5 e2e4 d5e4 b1c3 e7e5

{D00/01   Blackmar-Diemer: Lagenheinicke defence}d2d4 d7d5 e2e4 d5e4 b1c3 g8f6 f2f3 e4e3

{D00/01   Blackmar-Diemer: Euwe defence}d2d4 d7d5 e2e4 d5e4 b1c3 g8f6 f2f3 e4f3 g1f3

{D00/01   Blackmar-Diemer: Teichmann defence}d2d4 d7d5 e2e4 d5e4 b1c3 g8f6 f2f3 e4f3 g1f3 c8g4

{D00   Queen's pawn: Mason variation}d2d4 d7d5 c1f4

{D00   Queen's pawn: Mason variation, Steinitz counter-gambit}d2d4 d7d5 c1f4 c7c5

{D00   Levitsky attack (Queen's bishop attack)}d2d4 d7d5 c1g5

{D00   Queen's pawn: Chigorin variation}d2d4 d7d5 b1c3

{D00   Blackmar-Diemer: Euwe defence}d2d4 d7d5 b1c3 g8f6 e2e4 d5e4 f2f3 e4f3 g1f3 e7e6

{D00/06   Queen's pawn, three knights}d2d4 d7d5 b1c3 g8f6 g1f3 g7g6 c1f4 f8g7 e2e3

{D00/05   Trompovsky attack: Hodgson variation}d2d4 g8f6 c1g5 d7d5 g5f6 e7f6 e2e3 c7c6 f1d3 f8d6 d1f3

{D00   Blackmar-Diemer: Teichmann defence}d2d4 g8f6 b1c3 d7d5 e2e4 d5e4 f2f3 e4f3 g1f3 c8g4 h2h3 g4f3 d1f3 c7c6 c1e3 e7e6 f1d3 f8e7 e1g1 b8d7 f1f2 e8g8 a1f1 d8b6 g2g4 e6e5

{D00   Queen's pawn: Hebden variation}d2d4 g8f6 g1f3 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 f1e2 c7c5 f3e5 b8c6 e1g1 c5d4 e3d4 d8b6 e5c6

{D01   Richter-Veresov attack}d2d4 d7d5 b1c3 g8f6 c1g5

{D01   Richter-Veresov attack, Richter variation}d2d4 d7d5 b1c3 g8f6 c1g5 c8f5 f2f3

{D01   Richter-Veresov attack, Veresov variation}d2d4 d7d5 b1c3 g8f6 c1g5 c8f5 g5f6

{D02   Queen's pawn game}d2d4 d7d5 g1f3

{D02   Queen's pawn game, Krause variation}d2d4 d7d5 g1f3 c7c5

{D02   Queen's pawn (including Queen's gambit, Dutch, Catalan) openings}d2d4 d7d5 g1f3 c7c6

{D02   Queen's bishop game}d2d4 d7d5 g1f3 e7e6 c1f4

{D02   Queen's bishop game}d2d4 d7d5 g1f3 c8f5 c1f4 c7c6 e2e3

{D02   Queen's pawn game, Chigorin variation}d2d4 d7d5 g1f3 b8c6

{D02   Queen's pawn game}d2d4 d7d5 g1f3 g8f6

{D02/14   Queen's pawn: Catalan}d2d4 d7d5 g1f3 g8f6 g2g3 c7c5 f1g2 e7e6 e1g1 b8c6

{D02/15   Queen's pawn game (g3 Bf5)}d2d4 d7d5 g1f3 g8f6 g2g3 c7c6 f1g2 c8f5 e1g1 e7e6 c2c4 f8d6 b2b3

{D02/10   Queen's pawn game (g3 e6, 4...c5)}d2d4 d7d5 g1f3 g8f6 g2g3 e7e6 f1g2 c7c5

{D02/10   Queen's pawn game (g3 e6)}d2d4 d7d5 g1f3 g8f6 g2g3 e7e6 f1g2 f8e7 e1g1 b7b5

{D02   Queen's pawn game (3.g3 Bf5)}d2d4 d7d5 g1f3 g8f6 g2g3 c8f5

{D02   Queen's bishop game}d2d4 d7d5 g1f3 g8f6 c1f4

{D02/09   Queen's bishop game}d2d4 d7d5 g1f3 g8f6 c1f4 c7c5 e2e3 e7e6 c2c3 b8c6 b1d2 f8d6 f4g3

{D02   Queen's bishop game}d2d4 d7d5 g1f3 g8f6 c1f4 e7e6 e2e3 c7c5 c2c3

{D02   Queen's bishop game}d2d4 d7d5 c1f4 g8f6 e2e3 e7e6 g1f3

{D02   Queen's pawn game, Chigorin transposed}d2d4 b8c6 g1f3 d7d5

{D02   Queen's pawn: Chigorin (London system)}d2d4 b8c6 g1f3 d7d5 c1f4 c8g4 e2e3 e7e6

{D02   Queen's pawn: London system}d2d4 g8f6 g1f3 e7e6 c1f4

{D02   Queen's pawn: London system}d2d4 g8f6 g1f3 e7e6 c1f4 d7d5 e2e3

{D02   Queen's pawn game, anti-Gruenfeld}d2d4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 d7d5 c1f4

{D02/05   Reti: King's Indian attack (2...Nc6)}g1f3 d7d5 g2g3 b8c6 d2d4 c8g4 f1g2 d8d7

{D03   Torre attack (Tartakower variation)}d2d4 d7d5 g1f3 g8f6 c1g5

{D03/03   Queen's pawn Torre/Colle}d2d4 d7d5 g1f3 g8f6 c1g5 e7e6 e2e3 c7c5 c2c3 b8d7 f1d3 f8e7 b1d2 h7h6

{D03/12   Torre attack (Tartakower variation)}d2d4 d7d5 g1f3 g8f6 c1g5 g7g6 b1d2 f8g7 e2e3 e8g8 c2c3 b8d7 f1e2 f8e8 b2b4 h7h6

{D03/03   Queen's pawn Torre/Colle}d2d4 g8f6 g1f3 d7d5 c1g5 e7e6 e2e3 f8e7 b1d2 b8d7 f1d3 c7c5 c2c3 b7b6 e1g1 c8b7 f3e5 d7e5 d4e5

{D03/03   Queen's pawn Torre/Colle}d2d4 g8f6 g1f3 e7e6 c1g5 d7d5 e2e3 f8e7 b1d2 b8d7 f1d3 c7c5 c2c3 h7h6

{D04   Queen's pawn game}d2d4 d7d5 g1f3 g8f6 e2e3

{D04/01   Queen's pawn, anti-Colle}d2d4 d7d5 g1f3 g8f6 e2e3 c8f5 f1d3 f5d3 d1d3

{D04/01   Queen's pawn game (3...Bg4)}d2d4 d7d5 g1f3 g8f6 e2e3 c8g4 b1d2

{D04   Queen's pawn game, Cobo variation}d2d4 g8f6 g1f3 d7d5 e2e3 g7g6 f1d3 f8g7 b1d2 e8g8 e1g1

{D05   Queen's pawn game}d2d4 d7d5 g1f3 g8f6 e2e3 e7e6

{D05   Queen's pawn game}d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 f1d3

{D05   Queen's pawn game, Rubinstein (Colle-Zukertort) variation}d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 f1d3 c7c5 b2b3

{D05   Colle system}d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 f1d3 c7c5 c2c3

{D05   Queen's pawn game, Zukertort variation}d2d4 d7d5 g1f3 g8f6 e2e3 e7e6 b1d2 c7c5 b2b3

{D05   Colle system}d2d4 d7d5 g1f3 g8f6 e2e3 c7c5 c2c3 e7e6 f1d3

{D05/05   Queen's pawn game, Rubinstein variation}d2d4 d7d5 g1f3 e7e6 e2e3 g8f6 f1d3 c7c5 b2b3 b8c6 c1b2 f8d6 e1g1 e8g8 b1d2

{D05/02   Colle system}d2d4 e7e6 g1f3 c7c5 c2c3 g8f6 e2e3 d7d5 f1d3 b8c6 b1d2 f8d6 e1g1 e8g8 d4c5 d6c5 e3e4 d8c7 d1e2

{D06   QGD: symmetrical (Austrian) defence}d2d4 d7d5 c2c4 c7c5

{D06   QGD: Grau (Sahovic) defence}d2d4 d7d5 c2c4 c8f5

{D06/05   QGD: Grau (3.Nf3)}d2d4 d7d5 c2c4 c8f5 g1f3 e7e6

{D06   QGD: Marshall defence}d2d4 d7d5 c2c4 g8f6

{D07   QGD: Chigorin defence}d2d4 d7d5 c2c4 b8c6

{D07/01   QGD: Chigorin exchange}d2d4 d7d5 c2c4 b8c6 c4d5 d8d5 e2e3 e7e5 b1c3 f8b4 c1d2 b4c3 b2c3 e5d4

{D07   QGD: Chigorin defence, Janowski variation}d2d4 d7d5 c2c4 b8c6 b1c3 d5c4 g1f3

{D07   QGD: Chigorin defence}d2d4 d7d5 c2c4 b8c6 g1f3 c8g4 c4d5 g4f3 g2f3 d8d5 e2e3 e7e5

{D08   QGD: Albin counter-gambit}d2d4 d7d5 c2c4 e7e5

{D08   QGD: Albin counter-gambit, Lasker trap}d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 e2e3 f8b4+ c1d2 d4e3

{D08   QGD: Albin counter-gambit}d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3

{D08   QGD: Albin counter-gambit, Alapin variation}d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2

{D08   QGD: Albin counter-gambit, Krenosz variation}d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2 c8g4

{D09   QGD: Albin counter-gambit (5.g3)}d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 g2g3

{D10   QGD Slav defence}d2d4 d7d5 c2c4 c7c6

{D10   QGD Slav defence: exchange variation}d2d4 d7d5 c2c4 c7c6 c4d5

{D10/12   QGD Slav defence: exchange variation}d2d4 d7d5 c2c4 c7c6 c4d5 c6d5 b1c3 g8f6 c1f4 b8c6 e2e3 a7a6 f1d3 c8g4

{D10   QGD Slav defence: Alekhine variation}d2d4 d7d5 c2c4 c7c6 b1c3 d5c4 e2e4

{D10   QGD Slav: Winawer counter-gambit}d2d4 d7d5 c2c4 c7c6 b1c3 e7e5

{D10   QGD: semi-Slav}d2d4 d7d5 c2c4 c7c6 b1c3 g8f6 e2e3 e7e6

{D10   QGD: Slav}d2d4 d7d5 c2c4 c7c6 e2e3 g8f6 b1c3

{D10   QGD Slav defence}d2d4 g8f6 c2c4 c7c6 b1c3 d7d5 e2e3 a7a6

{D11   QGD Slav: 3.Nf3}d2d4 d7d5 c2c4 c7c6 g1f3

{D11/11   QGD Slav: 4.e3}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3

{D11   QGD Slav: Breyer variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1d2

{D11   Queen's gambit}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 d1c2

{D11/09   QGD Slav: 3.Nf3/Qc2}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 d1c2 g7g6 c1f4 b8a6

{D11   QGD Slav: 2...dxc4}d2d4 d7d5 c2c4 d5c4 g1f3 c7c6

{D11/02   QGD Slav: early Bf5}d2d4 d7d5 g1f3 c8f5 c2c4 e7e6 b1c3 c7c6 d1b3 d8b6 c4c5 b6c7 c1f4 c7c8 f3h4

{D12   QGD Slav: 4.e3 Bf5}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5

{D12   QGD Slav: exchange variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5 c4d5 c6d5 b1c3

{D12   QGD Slav: Landau variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5 c4d5 c6d5 d1b3 d8c8 c1d2 e7e6 b1a3

{D12/06   QGD Slav: Nc3}d2d4 d7d5 c2c4 c7c6 e2e3 c8f5 b1c3 e7e6 g1f3 g8f6 f1d3

{D13   QGD Slav: exchange variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5

{D13/03   QGD Slav: exchange variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5 b1c3 b8c6 c1f4 e7e6 e2e3 f8d6 f4d6 d8d6 f1d3 e8g8 e1g1 e6e5

{D13/11   QGD Slav: exchange (6...a6)}d2d4 d7d5 c2c4 c7c6 c4d5 c6d5 g1f3 g8f6 b1c3 b8c6 c1f4 a7a6 e2e3 c8g4 f1d3 e7e6 h2h3 g4f3 d1f3 f8d6 f4d6 d8d6

{D14   QGD Slav: exchange variation (6.Bf4 Bf5)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5 b1c3 b8c6 c1f4 c8f5

{D14/03   QGD Slav: exchange, Wuss attack}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5 b1c3 b8c6 c1f4 c8f5 e2e3 e7e6 f1d3

{D14   QGD Slav: exchange, Trifunovic variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 c4d5 c6d5 b1c3 b8c6 c1f4 c8f5 e2e3 e7e6 d1b3 f8b4

{D14/02   QGD Slav: exchange, Wuss attack}d2d4 d7d5 c2c4 c7c6 c4d5 c6d5 b1c3 g8f6 g1f3 b8c6 c1f4 c8f5 e2e3 e7e6 f1d3 f5d3 d1d3 f8d6 f4d6 d8d6 e1g1 e8g8

{D15   QGD Slav accepted}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3

{D15   QGD Slav (4...a6)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 a7a6 e2e3 b7b5

{D15   QGD Slav accepted}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4

{D15   QGD Slav: 5.e3 (Alekhine variation)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 e2e3 b7b5 a2a4 b5b4

{D15   QGD Slav: Slav gambit}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 e2e4

{D15/07   QGD Slav: Tolush-Geller gambit}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 e2e4 b7b5 e4e5

{D15   Reti: QGD Slav accepted}g1f3 g8f6 c2c4 c7c6 b1c3 d7d5 d2d4

{D16   QGD Slav accepted: Alapin variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4

{D16   QGD Slav: Steiner variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8g4

{D16   QGD Slav: Smyslov variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 b8a6 e2e4 c8g4

{D17   QGD Slav: Czech defence}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5

{D17   QGD Slav: Krause attack}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 f3e5

{D17   QGD Slav: Wiesbaden variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 f3e5 e7e6

{D17   QGD Slav: Carlsbad variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 f3e5 b8d7 e5c4 d8c7 g2g3 e7e5

{D18   QGD Slav: Dutch variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3

{D18   QGD Slav: Dutch variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 b8d7

{D18/02   QGD Slav: Dutch variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 b8d7 d1e2 f5g6 e3e4

{D18/10   QGD Slav: Dutch (Ehlvest)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 e8g8 f3h4 f5g4 f2f3 g4h5 g2g4 f6d5 h4g2 h5g6

{D18   QGD Slav: Dutch, Lasker variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 b8a6

{D18/14   QGD Slav: Dutch variation (6.Nh4)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 f3h4 e7e6 h4f5 e6f5 e2e3 f8b4 f1c4 e8g8 e1g1 b8d7 f2f3

{D19   QGD Slav: Dutch variation, main line}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 e8g8 d1e2

{D19/07   QGD Slav: Dutch variation, main line}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 e8g8 d1e2 b8d7 e3e4 f5g6 c4d3 g6h5 e4e5 f6d5 c3e4

{D19   QGD Slav: Dutch, Saemisch variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 c8f5 e2e3 e7e6 f1c4 f8b4 e1g1 e8g8 d1e2 f6e4 g2g4

{D20   Queen's gambit accepted}d2d4 d7d5 c2c4 d5c4

{D20/02   QGA: 3.e3}d2d4 d7d5 c2c4 d5c4 e2e3

{D20   QGA: 3.e4}d2d4 d7d5 c2c4 d5c4 e2e4

{D20   QGA: Linares variation}d2d4 d7d5 c2c4 d5c4 e2e4 c7c5 d4d5 g8f6 b1c3 b7b5

{D20/31   QGA: 3.e4 e5}d2d4 d7d5 c2c4 d5c4 e2e4 e7e5 g1f3 e5d4 f1c4 b8c6 e1g1 c8e6 c4e6 f7e6

{D20/26   QGA: 3.e4 e5}d2d4 d7d5 c2c4 d5c4 e2e4 e7e5 g1f3 f8b4+ b1c3 e5d4 f3d4

{D20/09   QGA: Huebner variation (3...Nf6)}d2d4 d7d5 c2c4 d5c4 e2e4 g8f6 e4e5 f6d5 f1c4 d5b6 c4d3 b8c6 c1e3 c8e6 b1c3

{D21   QGA: 3.Nf3}d2d4 d7d5 c2c4 d5c4 g1f3

{D21/07   QGA: Alekhine defence}d2d4 d7d5 c2c4 d5c4 g1f3 a7a6

{D21   QGA: Ericson variation}d2d4 d7d5 c2c4 d5c4 g1f3 b7b5

{D22   QGA: Alekhine defence (4.e3)}d2d4 d7d5 c2c4 d5c4 g1f3 a7a6 e2e3

{D22   QGA: Haberditz variation}d2d4 d7d5 c2c4 d5c4 g1f3 a7a6 e2e3 b7b5

{D22   QGA: Alekhine defence, Alatortsev variation}d2d4 d7d5 c2c4 d5c4 g1f3 a7a6 e2e3 c8g4 f1c4 e7e6 d4d5

{D23   Queen's gambit accepted}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6

{D23   QGA: Mannheim variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 d1a4+

{D23/06   QGA: 4.Qc2 (Neo-Mannheim)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 d1c2 d5c4 c2c4

{D23/06   QGA: Mannheim variation}d2d4 d7d5 g1f3 g8f6 c2c4 d5c4 d1a4+ c7c6 a4c4 c8f5 g2g3 e7e6 f1g2 b8d7 b1c3 f8e7 e1g1 e8g8 e2e3

{D24   QGA: 4.Nc3}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 b1c3

{D24   QGA: Bogolyubov variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 b1c3 a7a6 e2e4

{D25   QGA: 4.e3}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3

{D25   QGA: Janowsky-Larsen variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 c8g4

{D25/06   QGA: Janowsky-Larsen variation, main line}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 c8g4 f1c4 e7e6 h2h3 g4h5 b1c3 b8d7 e1g1 f8d6

{D26   QGA: 4...e6}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6

{D26   QGA: classical variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5

{D26   QGA: classical variation (6.O-O)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1

{D26   QGA: classical, Steinitz variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 c5d4

{D26   QGA: classical variation (6.O-O Nc6)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 b8c6 d1e2 c5d4 f1d1

{D26/02   QGA: classical, Furman variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 d1e2 a7a6 d4c5 f8c5 e1g1

{D26/02   QGA: classical variation}d2d4 d7d5 c2c4 d5c4 e2e3 e7e6 f1c4 c7c5 g1f3 g8f6

{D27   QGA: classical (6...a6)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6

{D27   QGA: classical, Rubinstein variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 a2a4

{D27/17   QGA: classical, Rubinstein variation, main line}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 a2a4 b8c6 d1e2 c5d4 f1d1 f8e7 e3d4 e8g8 b1c3 f6d5 e2e4 d5f6 e4h4

{D27   QGA: classical, Geller variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 e3e4

{D27/22   QGA: classical (7.Bb3)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 c4b3 b8c6 b1c3 f8e7

{D27   QGA: classical, Rubinstein variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 a7a6 a2a4 e7e6 f1c4 c7c5 e1g1

{D27   QGA: classical (4...a6)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 a7a6 f1c4 e7e6 e1g1 c7c5

{D27   QGA: classical (with Nc3)}d2d4 d7d5 c2c4 d5c4 g1f3 e7e6 e2e3 g8f6 b1c3 a7a6 f1c4 c7c5 a2a4 b8c6 e1g1 f8e7 d1e2 c5d4 f1d1 e6e5

{D27   QGA: classical (4...a6)}d2d4 d7d5 c2c4 d5c4 e2e3 e7e6 f1c4 a7a6 g1f3 c7c5 e1g1 g8f6

{D27/22   QGA: classical (7.Bb3)}d2d4 d7d5 c2c4 d5c4 e2e3 g8f6 f1c4 e7e6 g1f3 c7c5 e1g1 a7a6 c4b3 b8c6 b1c3 c5d4 e3d4

{D28   QGA: classical (7.Qe2)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2

{D28   QGA: classical (7...b5)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5

{D28   QGA: classical, Flohr variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5 c4b3 b8c6

{D28/04   QGA: classical, Furman variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 d1e2 a7a6 d4c5 f8c5 e1g1 b8c6 e3e4 b7b5 c4b3 e6e5

{D28/04   QGA: classical, Furman variation (phantom line)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 e7e6 f1d3 d5c4 d3c4 c6c5 d1e2 a7a6

{D29   QGA: classical (8...Bb7)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5 c4b3 c8b7

{D29   QGA: classical, Smyslov variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5 c4b3 c8b7 f1d1 b8d7 b1c3 f8d6

{D29/08   QGA: classical, Smyslov (10...Qb8)}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 e7e6 f1c4 c7c5 e1g1 a7a6 d1e2 b7b5 c4b3 c8b7 f1d1 b8d7 b1c3 d8b8 d4d5

{D29/08   QGA: classical, Smyslov variation}d2d4 d7d5 c2c4 d5c4 g1f3 c7c5 e2e3 e7e6 f1c4 g8f6 e1g1 a7a6 d1e2 b7b5 c4b3 c8b7 b1c3 b8d7 f1d1 d8b8 d4d5 e6d5

{D29/08   QGA: classical, Smyslov variation}d2d4 d7d5 c2c4 d5c4 g1f3 e7e6 e2e3 c7c5 f1c4 g8f6 e1g1 a7a6 d1e2 b7b5 c4b3 c8b7 b1c3 b8d7 f1d1 d8b8 d4d5

{D30   Queen's gambit declined}d2d4 d7d5 c2c4 e7e6

{D30/06   QGD: (3...c6)}d2d4 d7d5 c2c4 e7e6 g1f3 c7c6 e2e3

{D30/13   QGD: (4...c5)}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c5 c4d5 e6d5 f1b5+ c8d7 b5d7+ b8d7

{D30/17   QGD: (Bd3 Nbd7)}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 f1d3 b8d7 b1d2 f8d6 e1g1 e8g8 e3e4 e6e5 c4d5 c6d5 e4d5

{D30   QGD Slav}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2

{D30   QGD Slav: Semmering variation}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2 b8d7 f1d3 c6c5

{D30   QGD}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5

{D30   QGD: Capablanca-Duras variation}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 h7h6

{D30   QGD: Vienna variation}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 f8b4+

{D30/10   QGD: mini Orthodox}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 f8e7 e2e3 e8g8

{D30   QGD: Capablanca variation}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 c1g5 b8d7 e2e3 c7c6 b1d2

{D30   QGD: Tarrasch defence}d2d4 d7d5 c2c4 e7e6 g1f3 c7c5 c4d5 e6d5

{D30   QGD (plus Catalan & Dutch)}d2d4 d7d5 c2c4 e7e6 g1f3 c7c6

{D30/07   QGD (plus Catalan)}d2d4 d7d5 c2c4 e7e6 g1f3 c7c6 d1c2 g8f6 g2g3

{D30   QGD: semi-Slav, classical variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 e7e6 f1d3 b8d7 e1g1

{D31   QGD: 3.Nc3}d2d4 d7d5 c2c4 e7e6 b1c3

{D31   QGD: semi-Slav}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6

{D31   QGD: semi-Slav}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 e2e3 f8d6

{D31   QGD: semi-Slav, Marshall gambit}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 e2e4

{D31   QGD: semi-Slav, Noteboom variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4

{D31/25   QGD: semi-Slav, Abrahams variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4 a2a4 f8b4 e2e3 b7b5 c1d2 a7a5 a4b5 b4c3 d2c3 c6b5 b2b3 c8b7 d4d5 g8f6 b3c4 b5b4 c3f6 d8f6 d1a4+

{D31   QGD: semi-Slav, Koomen variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4 a2a4 f8b4 e2e3 b7b5 c1d2 d8e7

{D31   QGD: Charousek (Petrosian) variation}d2d4 d7d5 c2c4 e7e6 b1c3 f8e7

{D31   QGD: Charousek exchange}d2d4 d7d5 c2c4 e7e6 b1c3 f8e7 c4d5 e6d5 c1f4 c7c6 e2e3 c8f5 g2g4 f5e6

{D32   QGD: Tarrasch defence}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5

{D32   QGD: Tarrasch, von Hennig-Schara gambit}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 c5d4

{D32   QGD: Tarrasch defence, Marshall gambit}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 e2e4

{D32   QGD: Tarrasch defence}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3

{D32   QGD: Tarrasch defence (5...Nc6)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 e2e3 g8f6

{D32/07   QGD: Tarrasch defence (7.Be2)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 e2e3 g8f6 f1e2

{D32/05   QGD: Tarrasch defence (6.Bg5)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 c1g5 f8e7 g5e7 g8e7 e2e3

{D32/09   English: Tarrasch defence (Be2)}c2c4 c7c5 g1f3 b8c6 e2e3 e7e6 b1c3 g8f6 d2d4 d7d5 c4d5 e6d5 f1e2 c5d4

{D32/07   English: Tarrasch defence (Be2)}c2c4 c7c5 g1f3 g8f6 b1c3 e7e6 e2e3 d7d5 d2d4 b8c6 c4d5 e6d5 f1e2

{D33   QGD: Tarrasch, Schlechter-Rubinstein system}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3

{D33   QGD: Tarrasch, Folkestone (Swedish) variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 c5c4

{D33   QGD: Tarrasch, Wagner variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 c8g4

{D34   QGD: Tarrasch, Prague variation, normal position}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8

{D34   QGD: Tarrasch, Reti variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 d4c5 e7c5 c3a4

{D34   QGD: Tarrasch, Prague variation (9.Bg5)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 c1g5

{D34   QGD: Tarrasch, Bogolyubov variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 c1g5 c8e6 a1c1 c5c4

{D34/20   QGD: Tarrasch, Bogolyubov (...cxd4)}d2d4 d7d5 g1f3 e7e6 c2c4 c7c5 c4d5 e6d5 g2g3 b8c6 f1g2 g8f6 b1c3 f8e7 e1g1 e8g8 c1g5 c5d4 f3d4 h7h6 g5e3 f8e8 a2a3 c8e6

{D34/14   Anglo-Tarrasch, Bogolyubov variation}c2c4 e7e6 g1f3 d7d5 d2d4 c7c5 c4d5 e6d5 g2g3 b8c6 f1g2 g8f6 e1g1 f8e7 b1c3 e8g8 c1g5 c8e6 d4c5

{D35   QGD: 3...Nf6}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6

{D35   QGD: exchange variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5

{D35   QGD: exchange, positional line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5

{D35/20   QGD: exchange (Tartakower system)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 f8e7 e2e3 c7c6

{D35/15   QGD: exchange (Tartakower system)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 f8e7 e2e3 h7h6

{D35   QGD: exchange, chameleon variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 f8e7 e2e3 e8g8 f1d3 b8d7 d1c2 f8e8 g1e2 d7f8 e1c1

{D35   QGD: exchange, Saemisch variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 g1f3 b8d7 c1f4

{D35/25   QGD: exchange, positional line (...c6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c4d5 e6d5 c1g5 f8e7 e2e3 c8f5 f1d3 f5d3 d1d3 b8d7 e1g1 e8g8

{D35   QGD: exchange variation}d2d4 d7d5 c2c4 e7e6 b1c3 f8e7 c4d5 e6d5 c1f4 g8f6

{D35   QGD: Harrwitz attack}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1f4

{D35/16   QGD: exchange, modern line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 c4d5 e6d5 d1c2

{D35/23   QGD: exchange, positional line (...Nbd7)}d2d4 g8f6 c2c4 e7e6 g1f3 d7d5 b1c3 c7c6 c4d5 e6d5 c1g5 b8d7 e2e3 f8d6 f1d3 d7f8 d1c2 f8g6 f3h4

{D35   QGD: exchange (by tempo transposition)}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ c1d2 b4e7 b1c3 d7d5 c4d5 e6d5 d2f4 c7c6 d1c2

{D35/25   QGD: exchange, positional line (...c6)}c2c4 e7e6 b1c3 d7d5 c4d5 e6d5 d2d4 c7c6 g1f3 g8f6 c1g5 f8e7 e2e3 c8f5

{D36   QGD: exchange, positional line (6.Qc2)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 c7c6 d1c2

{D36/11   QGD: exchange, modern line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 c7c6 d1c2 f8e7 e2e3 b8d7 f1d3 e8g8 g1e2 f8e8 h2h3 d7f8 e1c1

{D36/25   QGD: exchange, modern line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 c7c6 e2e3 f8e7 d1c2 b8d7 f1d3 e8g8 g1f3 f8e8 e1g1 d7f8 h2h3 f6e4 g5f4 e4g5 f4g5 e7g5 b2b4

{D36/25   QGD: exchange, modern line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 c7c6 e2e3 b8d7 f1d3 f8e7 d1c2 e8g8 g1f3 f8e8 e1g1 d7f8 h2h3 f6e4

{D36/15   QGD: exchange, modern line (Yusupov)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 f8e7 e2e3 c7c6 d1c2 b8d7 f1d3 e8g8 g1e2 f8e8 e1g1 d7f8 f2f3 c8e6 a1d1 a8c8

{D36/24   QGD: exchange, modern line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 b8d7 c4d5 e6d5 f1d3 e8g8 g1f3 f8e8 d1c2 d7f8 e1g1 c7c6 a1e1 f6e4 g5e7 d8e7

{D36/25   QGD: exchange, modern line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 e8g8 d1c2 b8d7 c4d5 e6d5 e2e3 c7c6 f1d3 f8e8 e1g1 d7f8 h2h3 f6e4 g5f4

{D36   QGD: exchange, modern line (5.cxd5)}d2d4 d7d5 c2c4 e7e6 b1c3 f8e7 g1f3 g8f6 c4d5 e6d5 c1g5 c7c6 d1c2 g7g6 g5f6 e7f6 e2e4 d5e4 c2e4+ c8e6

{D36/12   QGD: exchange, modern line}d2d4 d7d5 c2c4 e7e6 c4d5 e6d5 b1c3 g8f6 c1g5 f8e7 e2e3 c7c6 f1d3 b8d7 g1e2 e8g8 d1c2 f8e8 e1g1 d7f8

{D36/14   QGD: exchange, modern line}d2d4 g8f6 c2c4 e7e6 b1c3 d7d5 c4d5 e6d5 c1g5 c7c6 e2e3 f8e7 f1d3 b8d7 d1c2 e8g8 g1e2 f8e8 e1g1 d7f8 f2f3 f8g6

{D36/21   QGD: exchange, modern line}d2d4 g8f6 c2c4 e7e6 b1c3 d7d5 c4d5 e6d5 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 f1d3 c7c6 d1c2 f8e8 e1g1 d7f8 a1b1 f6e4 g5e7 d8e7

{D36/14   QGD: exchange, modern line (Markov)}c2c4 e7e6 b1c3 d7d5 d2d4 g8f6 c1g5 f8e7 c4d5 e6d5 e2e3 b8d7 f1d3 c7c6 g1e2 e8g8 d1c2 f8e8 e1g1 d7f8 f2f3 f8g6 a1d1 f6h5 g5e7 d8e7

{D37   QGD: 4.Nf3}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8e7

{D37/05   QGD: Hastings variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8e7 c1f4

{D37/22   QGD: Hastings variation, main line}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 b1c3 f8e7 c1f4 e8g8 e2e3 c7c5 d4c5 e7c5 d1c2

{D38   QGD: Ragozin variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8b4

{D38/12   QGD: Ragozin variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8b4 c4d5 e6d5 c1g5 h7h6 g5h4 c7c5 e2e3 b8c6 d4c5 g7g5 h4g3 f6e4

{D38   QGD: Ragozin, Kovacevic variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8b4 c1g5 b8d7 c4d5 e6d5 e2e3 c7c5 f1d3 d8a5 d1c2 c5c4 d3f5 e8g8 e1g1 f8e8 f3d2 g7g6 f5h3

{D38   QGD: Ragozin variation (with ...c6)}d2d4 d7d5 c2c4 e7e6 b1c3 f8b4 g1f3 g8f6 c1g5 c7c6 a1c1 h7h6 g5f6 d8f6

{D38/14   QGD: Ragozin variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 d7d5 c4d5 e6d5 c1g5 h7h6 g5f6 d8f6 d1a4+ b8c6 e2e3 e8g8 f1e2 a7a6 e1g1 c8e6 a4c2

{D38   QGD: Ragozin, Marshall variation}d2d4 g8f6 g1f3 e7e6 c2c4 d7d5 b1c3 f8b4 c1g5 h7h6 g5f6 d8f6 e2e3 e8g8 a1c1 d5c4

{D39   QGD: Ragozin, Vienna variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8b4 c1g5 d5c4

{D39/09   QGD: Ragozin, Vienna variation, main line}d2d4 g8f6 c2c4 e7e6 g1f3 d7d5 b1c3 d5c4 e2e4 f8b4 c1g5 c7c5 f1c4 c5d4 f3d4 b4c3+ b2c3 d8a5 d4b5 a7a6 b5d6+ e8e7 d1d2

{D40   QGD: semi-Tarrasch defence}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5

{D40   QGD: semi-Tarrasch, symmetrical variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 e2e3 b8c6 f1d3 f8d6 e1g1 e8g8

{D40/01   QGD: semi-Tarrasch, symmetrical (...a6 a3)}d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 e2e3 a7a6 b1c3 d7d5 a2a3 b8c6

{D41   QGD: semi-Tarrasch (5.cxd5)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5

{D41/32   QGD: semi-Tarrasch (with e3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e3 f8e7 f1c4 c5d4 e3d4 b8c6 e1g1 e8g8 f1e1

{D41   QGD: semi-Tarrasch, Kmoch variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e4 d5c3 b2c3 c5d4 c3d4 f8b4+ c1d2 b4d2+ d1d2 e8g8 f1b5

{D41   QGD: semi-Tarrasch, San Sebastian variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e4 d5c3 b2c3 c5d4 c3d4 f8b4+ c1d2 d8a5

{D41   QGD: semi-Tarrasch, modern line}c2c4 g8f6 g1f3 e7e6 g2g3 c7c5 f1g2 d7d5 e1g1 b8c6 d2d4 f8e7 c4d5 f6d5 b1c3 e8g8

{D42   QGD: semi-Tarrasch (7.Bd3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e3 b8c6 f1d3

{D42/16   QGD: semi-Tarrasch (7.Bd3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e3 b8c6 f1d3 c5d4 e3d4 f8e7 e1g1 e8g8 f1e1 e7f6 d3e4 c6e7 f3e5 g7g6

{D42/01   QGD: semi-Tarrasch (7.Bd3 Be7)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 c4d5 f6d5 e2e3 b8c6 f1d3 f8e7

{D42   QGD: semi-Tarrasch (3...c5)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 e2e3 g8f6 g1f3 c5d4 e3d4 f8e7 c4d5 f6d5 f1d3 b8c6 e1g1 e8g8 f1e1 e7f6 d3e4 c6e7 f3e5 e7c6 d1d3 h7h6

{D42   QGD: semi-Tarrasch (3...c5)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 e2e3 g8f6 g1f3 c5d4 e3d4 f8e7 c4d5 f6d5 f1d3 b8c6 e1g1 e8g8 f1e1 d5f6 a2a3 b7b6

{D42/16   QGD: semi-Tarrasch (7.Bd3) modern line}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6 g1f3 f8e7 c4d5 f6d5 f1d3 b8c6 e1g1 e8g8 f1e1 e7f6 d3e4 c6e7 f3e5 g7g6 c1h6 f6g7 h6g7 g8g7

{D43   QGD: semi-Slav}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6

{D43   QGD: semi-Slav (5.Bg5 h6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 h7h6 g5f6 d8f6 e2e3

{D43   QGD: semi-Slav, Hastings variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 h7h6 g5f6 d8f6 d1b3

{D43/05   QGD: semi-Slav (5.Qb3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 d1b3 d5c4 b3c4 b7b5 c4d3 b8d7

{D43/30   QGD: semi-Slav (5.Bg5 h6) main line}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 e7e6 c1g5 h7h6 g5f6 d8f6 e2e3 b8d7 f1d3 d5c4 d3c4 g7g6 e1g1 f8g7 a1c1 e8g8 f1e1

{D44   QGD: semi-Slav (5.Bg5 dxc4)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4

{D44   QGD: semi-Slav, Botvinnik system (anti-Meran)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5

{D44/06   QGD: semi-Slav, Botvinnik system (anti-Meran with a4)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 a2a4

{D44   QGD: semi-Slav, Ekstrom variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 e5f6 g5h4 f3e5

{D44   QGD: semi-Slav, anti-Meran gambit}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5

{D44   QGD: semi-Slav, anti-Meran, Lilienthal variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5 h6g5 h4g5 b8d7 g2g3

{D44   QGD: semi-Slav, anti-Meran, Alatortsev system}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5 f6d5

{D44/05   QGD: semi-Slav, anti-Meran (4...dxc4)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 d5c4 e2e4 f8b4 c1g5 b7b5 a2a4 c7c6 e4e5 h7h6 e5f6 h6g5 f6g7 h8g8

{D44/38   QGD: semi-Slav, anti-Meran, Denker variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 e7e6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5 h6g5 h4g5 b8d7 e5f6 c8b7 g2g3 c6c5 d4d5 d8b6 f1g2 e8c8 e1g1 b5b4 c3a4 b6b5 a2a3 d7b8 a3b4 c5b4 d1g4 b7d5 f1c1

{D45   QGD: semi-Slav (5.e3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3

{D45   QGD: semi-Slav, accelerated Meran (Alekhine variation)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 a7a6

{D45   QGD: semi-Slav (5...Nd7)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7

{D45   QGD: semi-Slav, Rubinstein (anti-Meran) system}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f3e5

{D45   QGD: semi-Slav (6.Qc2)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 d1c2 f8d6

{D45/21   QGD: semi-Slav (8.b3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 d1c2 f8d6 f1e2 e8g8 b2b3 d8e7 e1g1 b7b6 c1b2 c8b7 f1d1

{D45   QGD: semi-Slav, Stoltz variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 d1c2 f8d6 f1e2 e8g8 e1g1

{D45   QGD: semi-Slav, stonewall defence}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 f6e4 f1d3 f7f5

{D45   QGD: semi-Slav (3.e3)}d2d4 d7d5 c2c4 c7c6 e2e3 e7e6 g1f3 g8f6 b1c3

{D45/21   QGD: semi-Slav (7.b3)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 e7e6 e2e3 b8d7 d1c2 f8d6 b2b3 e8g8 f1e2 d8e7 e1g1 b7b6 c1b2 c8b7 f1d1

{D45   Reti: semi-Slav (2.e3)}g1f3 d7d5 e2e3 g8f6 c2c4 e7e6 d2d4 c7c6 b1c3

{D46   QGD: semi-Slav (6.Bd3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3

{D46   QGD: semi-Slav, Romih variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 f8b4

{D46   QGD: semi-Slav, Chigorin defence}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 f8d6

{D46   QGD: semi-Slav, Bogolyubov variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 f8e7

{D46/24   QGD: semi-Slav (Qc2/Bd3)}d2d4 d7d5 c2c4 c7c6 b1c3 g8f6 e2e3 e7e6 g1f3 b8d7 d1c2 f8d6 f1d3 e8g8 e1g1 d5c4 d3c4 d8e7 h2h3

{D46/28   QGD: semi-Slav (Szabo-Honfi)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 e7e6 f1d3 b8d7 e1g1 f8d6 b1c3 e8g8 e3e4 d5c4 d3c4 e6e5 c1g5 d8e7 f1e1 d7b6 c4b3

{D46   QGD: semi-Slav (without Nc3)}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 e7e6 b1d2 b8d7 f1d3 f8d6 e1g1 e8g8 e3e4 d5e4 d2e4 f6e4 d3e4 h7h6 b2b3 d7f6

{D46/21   QGD: semi-Slav, modern main line}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 e7e6 e2e3 b8d7 d1c2 f8d6 f1d3 e8g8 e1g1 d5c4 d3c4 a7a6 f1d1 b7b5

{D46/14   QGD: semi-Slav (Qc2/Bd3)}d2d4 d7d5 g1f3 c7c6 c2c4 e7e6 e2e3 g8f6 b1c3 b8d7 d1c2 f8d6 f1d3 e8g8 e1g1 d5c4 d3c4 b7b5 c4e2 c8b7

{D46/22   QGD: semi-Slav (Qc2/Bd3)}d2d4 d7d5 g1f3 g8f6 c2c4 c7c6 b1c3 e7e6 e2e3 b8d7 d1c2 f8d6 f1d3 e8g8 e1g1 d5c4 d3c4 d8e7 c1d2

{D46/19   QGD: semi-Slav (Qc2/Be2)}g1f3 d7d5 c2c4 c7c6 e2e3 g8f6 b1c3 e7e6 d1c2 b8d7 d2d4 f8d6 f1e2 e8g8 e1g1 d5c4 e2c4 a7a6 f1d1 d8e7

{D47   QGD: semi-Slav (7.Bc4)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4

{D47   QGD: semi-Slav, Meran variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5

{D47   QGD: semi-Slav, neo-Meran (Lundin variation)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 b5b4

{D47   QGD: semi-Slav, Meran, Wade variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 c8b7

{D47/30   QGD: semi-Slav, Meran, Wade variation (9.e4)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 c8b7 e3e4 b5b4 c3a4 c6c5 e4e5 f6d5 e1g1 c5d4 f1e1 g7g6 c1g5

{D47/18   QGD: semi-Slav, Meran, Wade variation (9.O-O)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 c8b7 e1g1 b5b4 c3e4 f8e7 e4f6+ d7f6 e3e4 e8g8 d1e2

{D48   QGD: semi-Slav, Meran (8...a6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6

{D48   QGD: semi-Slav, Meran, Pirc variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 b5b4

{D48   QGD: semi-Slav, Meran, Reynold's variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 d4d5

{D48   QGD: semi-Slav, Meran, Reynold's variation, main line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 d4d5 c5c4 d5e6 f7e6 d3c2 d8c7 e1g1

{D48   QGD: semi-Slav, Meran, old main line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5

{D48/16   QGD: semi-Slav, Meran, Reynold's variation, main line}d2d4 d7d5 c2c4 c7c6 b1c3 g8f6 g1f3 e7e6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 c8b7 e1g1 a7a6 e3e4 c6c5 d4d5 d8c7 d5e6 f7e6 d3c2 c5c4 d1e2 f8d6 f3d4 d7c5 f2f4

{D48/23   QGD: semi-Slav, Meran, old main line}d2d4 g8f6 c2c4 c7c6 g1f3 d7d5 b1c3 e7e6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 f6g4

{D49   QGD: semi-Slav, Meran, Blumenfeld variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5

{D49   QGD: semi-Slav, Meran, Rabinovich variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 f6g4

{D49   QGD: semi-Slav, Meran, Stahlberg variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 d7e5 f3e5 a6b5 d1f3

{D49   QGD: semi-Slav, Meran, Rellstab attack}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 d7e5 f3e5 a6b5 e1g1 d8d5 d1e2 c8a6 c1g5

{D50   QGD: 4.Bg5}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5

{D50   QGD: Been-Koomen variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5

{D50   QGD: semi-Tarrasch}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 c4d5

{D50   QGD: Canal (Venice) variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 c4d5 d8b6

{D50   QGD: semi-Tarrasch, Krause variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 g1f3 c5d4 f3d4 e6e5 d4b5 a7a6 d1a4

{D50   QGD: semi-Tarrasch, Primitive Pillsbury variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 c7c5 g1f3 c5d4 d1d4

{D51   QGD: 4.Bg5 Nbd7}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7

{D51   QGD}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3

{D51   QGD: 5...c6}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6

{D51   QGD: Capablanca anti-Cambridge Springs variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 a2a3

{D51   QGD: Manhattan variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 f8b4

{D51   QGD: Alekhine variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 g1f3 c7c6 e2e4

{D52   QGD}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3

{D52   QGD: Cambridge Springs defence}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5

{D52   QGD: Cambridge Springs defence (7.cxd5)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 c4d5

{D52   QGD: Cambridge Springs defence, Yugoslav variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 c4d5 f6d5

{D52   QGD: Cambridge Springs defence, Capablanca variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 g5f6

{D52   QGD: Cambridge Springs defence, Rubinstein variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 f3d2 d5c4

{D52   QGD: Cambridge Springs defence, Bogoljubow variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 f3d2 f8b4 d1c2

{D52   QGD: Cambridge Springs defence, Argentine variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 e2e3 c7c6 g1f3 d8a5 f3d2 f8b4 d1c2 e8g8 g5h4

{D53   QGD: Orthodox, incl. Lasker/Tartakower/Pillsbury (plus exchange)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7

{D53   QGD: 4.Bg5 Be7}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 h7h6 g5h4 e8g8

{D53/01   QGD: 4.Bg5 Be7}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 e8g8

{D53/01   QGD: 4.Bg5 Be7/6.Qc2}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 e8g8 d1c2 b8d7 a1d1

{D53   QGD: Orthodox defence (5.e3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3

{D53/10   QGD: Orthodox defence (6...c6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 b8d7 g1f3 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 b2c3

{D53   QGD: Lasker variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 f6e4

{D53   QGD: 4.Bg5 Be7 5.e3 O-O}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8

{D53/10   QGD: Orthodox defence (4...c6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 f8e7 e2e3 b8d7

{D53/01   QGD: 5.Qc2}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8e7 d1c2 e8g8 c1g5 b8d7

{D53/02   QGD: Bg5...Be7 without e3}d2d4 g8f6 c2c4 e7e6 g1f3 d7d5 b1c3 f8e7 c1g5 h7h6 g5f6 e7f6

{D54   QGD: Anti-neo-orthodox variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 a1c1

{D54/01   QGD: Anti-neo-orthodox (6...h6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 a1c1 h7h6 g5h4 b7b6 c4d5 f6d5 c3d5 e6d5 h4e7 d8e7

{D55   QGD: 6.Nf3}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3

{D55   QGD: Pillsbury attack}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b7b6 f1d3 c8b7 c4d5 e6d5 f3e5

{D55   QGD: Neo-orthodox variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6

{D55/19   QGD: Petrosian variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5f6 e7f6 a1c1 c7c6 f1d3 b8d7 e1g1 d5c4 d3c4

{D55   QGD: Neo-orthodox, early ...h6}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 h7h6 g5f6 e7f6 e2e3 e8g8

{D56   QGD: Neo-orthodox variation (7.Bh4)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4

{D56   QGD: Lasker defence}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4

{D56/01   QGD: Lasker defence, Teichmann variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4 h4e7 d8e7 d1c2

{D57   QGD: Lasker defence, Bernstein variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4 h4e7 d8e7 c4d5 e4c3 b2c3 e6d5 d1b3 e7d6

{D58   QGD: Tartakower (Makagonov-Bondarevsky) system}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6

{D58/09   QGD: Tartakower (Makagonov-Bondarevsky) system (8.cd5 ed5)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 c4d5 e6d5 f1d3 c8b7

{D58/13   QGD: Tartakower (Makagonov-Bondarevsky) system}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 f1d3 c8b7 e1g1 b8d7 d1e2 c7c5 f1d1 f6e4 h4g3 c5d4 e3d4 e4g3 h2g3

{D58/17   QGD: Tartakower (Makagonov-Bondarevsky) system}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 f1e2 c8b7 h4f6 e7f6 c4d5 e6d5 e1g1 d8e7 d1b3 f8d8 a1d1

{D58/11   QGD: Tartakower (Makagonov-Bondarevsky) system}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 h7h6 g5h4 e8g8 g1f3 b7b6 f1d3 c8b7 e1g1 b8d7 a1c1

{D58/04   QGD: Tartakower (Makagonov-Bondarevsky) system}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 h7h6 g5h4 e8g8 e2e3 b7b6 a1c1 c8b7 f1e2 b8d7 c4d5 e6d5 e1g1 c7c5

{D58/13   QGD: Tartakower (Makagonov-Bondarevsky) system}d2d4 g8f6 c2c4 e7e6 g1f3 d7d5 b1c3 f8e7 c1g5 h7h6 g5h4 e8g8 e2e3 b7b6 f1d3 c8b7 e1g1 b8d7

{D58/21   QGD: Tartakower system (11.b4)}d2d4 g8f6 c2c4 e7e6 g1f3 d7d5 b1c3 f8e7 c1g5 h7h6 g5h4 e8g8 e2e3 b7b6 f1e2 c8b7 h4f6 e7f6 c4d5 e6d5 b2b4 c7c6 e1g1 a7a5 b4a5 a8a5 a2a4

{D59   QGD: Tartakower (Makagonov-Bondarevsky) system (8.cd Nxd5)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 c4d5 f6d5

{D59/04   QGD: Tartakower variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 c4d5 f6d5 h4e7 d8e7 c3d5 e6d5 a1c1 c8e6

{D59/01   QGD: Tartakower variation (5.e3)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b7b6 a1c1 c8b7 c4d5 f6d5 h4e7 d8e7 f1e2

{D59/04   QGD: Relinquished anti-neo-orthodox variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 a1c1 h7h6 g5h4 b7b6 c4d5 f6d5 c3d5 e6d5 h4e7 d8e7 g1f3 c8e6 d1a4

{D60   QGD: Orthodox defence}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7

{D60   QGD: Orthodox defence, Botvinnik variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 f1d3

{D60/02   QGD: Orthodox defence, Botvinnik variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 f1d3 c7c6 e1g1

{D60/02   QGD: Orthodox defence, Botvinnik variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 f1d3 c7c6 e1g1 d5c4 d3c4 f6d5 g5e7 d8e7

{D60/02   QGD: Orthodox defence, Botvinnik variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 b8d7 g1f3 c7c6 f1d3 e8g8

{D61   QGD: Orthodox defence, Rubinstein variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 d1c2

{D61/03   QGD: Orthodox defence, Rubinstein variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 d1c2 h7h6 g5h4 c7c5 a1d1 d8a5

{D61   QGD: Orthodox defence, modern Rubinstein}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 e8g8 d1c2 b8d7 a1d1 c7c6 e2e3

{D62   QGD: Orthodox defence, Rubinstein variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 d1c2 c7c5 c4d5

{D63   QGD: Orthodox defence (7.Rc1)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1

{D63   QGD: Orthodox defence, Swiss (Henneberger) variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 a7a6

{D63   QGD: Orthodox defence, Swiss, Karlsbad variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 a7a6 c4d5

{D63   QGD: Orthodox defence, Capablanca variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 b7b6 c4d5 e6d5 f1b5

{D63   QGD: Orthodox defence, Pillsbury attack}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 b7b6 c4d5 e6d5 f1d3

{D63   QGD: Orthodox defence}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6

{D63/02   QGD: Orthodox defence (...h6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 b8d7 a1c1 b7b6 c4d5 e6d5

{D64   QGD: Orthodox defence, Rubinstein attack (with Rc1)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2

{D64/01   QGD: Orthodox defence, Rubinstein attack (8...h6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 h7h6 g5h4

{D64   QGD: Orthodox defence, Rubinstein attack, Gruenfeld variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 a7a6 a2a3

{D65   QGD: Orthodox defence, Rubinstein attack, main line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 a7a6 c4d5

{D66   QGD: Orthodox defence (Bd3 line)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3

{D66/02   QGD: Orthodox defence (Bd3 line)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 b7b5

{D66/01   QGD: Orthodox defence (Bd3 line)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 h7h6 g5h4 c7c6 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 a2a4 b5a4

{D67   QGD: Orthodox defence (Bd3 line) Capablanca freeing manoevre}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5

{D67   QGD: Orthodox defence (Bd3 line)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7

{D67   QGD: Orthodox defence (Bd3 line) Alekhine variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 c3e4

{D67   QGD: Orthodox defence (Bd3 line, 11.O-O)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1

{D68   QGD: Orthodox defence, classical variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5

{D68   QGD: Orthodox defence, classical (13.Qc2, Vidmar)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5 d1c2

{D68   QGD: Orthodox defence, classical (13.Qc2, Vidmar)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 g1f3 b8d7 e2e3 e8g8 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5 d1c2 e5e4 f3d2 d7f6 f1c1

{D69   QGD: Orthodox defence, classical (13.dxe5)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5 d4e5 d7e5 f3e5 e7e5

{D70   Neo-Gruenfeld defence}d2d4 g8f6 c2c4 g7g6 f2f3 d7d5

{D70   Neo-Gruenfeld (plus KID & accelerated Sicilian) openings}d2d4 g8f6 c2c4 g7g6 g1f3

{D71   Neo-Gruenfeld (Kemeri) defence}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5

{D71   Neo-Gruenfeld (5.cxd5)}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 c4d5 f6d5 b1c3 d5c3 b2c3 c7c5

{D72   Neo-Gruenfeld: 5.cxd5, main line}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 c4d5 f6d5 e2e4 d5b6 g1e2

{D72/05   Neo-Gruenfeld: 5.cxd5, main line}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 c4d5 f6d5 e2e4 d5b6 g1e2 e7e5 d4d5 e8g8 b1c3

{D72/06   Neo-Gruenfeld: 5.cxd5, modern main line}d2d4 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 d7d5 c4d5 f6d5 e2e4 d5b6 g1e2 e7e5 d4d5 e8g8 b1c3 c7c6 e1g1 c6d5 e4d5 c8f5

{D73   Neo-Gruenfeld: 5.Nf3}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3

{D73/05   Neo-Gruenfeld: 5.Nf3 c6}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 c7c6 c4d5 c6d5 b1c3 e8g8 f3e5 e7e6

{D73/03   Neo-Gruenfeld: 5.Nf3 dxc4}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 d5c4

{D74   Neo-Gruenfeld: 6.cxd5 Nxd5 7.O-O}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1

{D75   Neo-Gruenfeld: 7...c5 8.dxc5}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1 c7c5 d4c5

{D75   Neo-Gruenfeld: 7...c5 8.Nc3}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1 c7c5 b1c3

{D76   Neo-Gruenfeld: 6.cxd5 Nxd5 7.O-O Nb6}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 c4d5 f6d5 e1g1 d5b6

{D76/24   Neo-Gruenfeld: 5.cxd5 Nxd5}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 c4d5 f6d5 g1f3 e8g8 e1g1 d5b6 b1c3 b8c6 e2e3 f8e8 d4d5 c6a5 f3d4

{D76/24   Neo-Gruenfeld: 6.cxd5 Nxd5}g1f3 g8f6 g2g3 g7g6 c2c4 f8g7 f1g2 e8g8 e1g1 d7d5 c4d5 f6d5 b1c3 d5b6 d2d4 b8c6 e2e3

{D76/22   Neo-Gruenfeld: 5.cxd5 Nxd5}g1f3 g7g6 c2c4 g8f6 d2d4 f8g7 g2g3 d7d5 c4d5 f6d5 f1g2 e8g8 e1g1 d5b6 b1c3 b8c6 e2e3 f8e8 f3e1 e7e5

{D77   Neo-Gruenfeld: 6.O-O}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1

{D77/14   Neo-Gruenfeld: 6.c4}d2d4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 d7d5 e1g1 e8g8 c2c4 d5c4 b1a3 b8c6 a3c4 c8e6 b2b3 e6d5 c1b2 a7a5 a1c1 a5a4

{D78   Neo-Gruenfeld: 6.O-O c6}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6

{D78   Neo-Gruenfeld: 7.Nbd2}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6 b1d2 c8f5 b2b3 f6e4 c1b2

{D78/01   Neo-Gruenfeld: 6.O-O c6}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6 b1c3 d5c4

{D78/14   Neo-Gruenfeld: O-O...c6 7.b3}d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 g2g3 e8g8 f1g2 c7c6 e1g1 d7d5 b2b3 f6e4 c1b2 c8e6

{D78/08   Neo-Gruenfeld: O-O...c6 7.Qb3}d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 g2g3 e8g8 f1g2 c7c6 e1g1 d7d5 d1b3 d8b6 b1c3 c8f5

{D78   English: Neo-Gruenfeld, 5.O-O c6}c2c4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 c7c6 d2d4 d7d5

{D79   Neo-Gruenfeld: 6.O-O}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6 c4d5 c6d5

{D79/11   Neo-Gruenfeld: 6.O-O, main line}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6 c4d5 c6d5 b1c3 f6e4 d1b3 b8c6 f1d1

{D79/05   Neo-Gruenfeld: 6.O-O, main line}d2d4 g8f6 c2c4 g7g6 g2g3 d7d5 f1g2 f8g7 g1f3 e8g8 e1g1 c7c6 c4d5 c6d5 f3e5 e7e6 b1c3 f6d7 f2f4 b8c6 c1e3 f7f6 e5f3 d7b6 e3f2

{D79/11   Neo-Gruenfeld: 3...c6, modern main line}d2d4 g8f6 c2c4 g7g6 g2g3 c7c6 f1g2 d7d5 c4d5 c6d5 b1c3 f8g7 g1f3 e8g8 e1g1 f6e4 d1b3

{D79/05   Neo-Gruenfeld: 3.Nf3, modern main line}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 c7c6 f1g2 d7d5 c4d5 c6d5 b1c3 e8g8 f3e5 e7e6 e1g1 f6d7 f2f4 b8c6 c1e3 f7f6

{D79/10   Neo-Gruenfeld: 6.cxd5}g1f3 g8f6 g2g3 g7g6 f1g2 f8g7 c2c4 c7c6 d2d4 d7d5 c4d5 c6d5 b1c3 e8g8 f3e5 b8c6 e1g1 e7e6 e5c6 b7c6 c3a4 f6d7 c1f4

{D80   Gruenfeld defence}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5

{D80   Gruenfeld: Stockholm variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1g5

{D80/04   Gruenfeld: Stockholm variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1g5 f6e4 g5f4 e4c3 b2c3 f8g7 e2e3 c7c5

{D80   Gruenfeld: Lundin variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1g5 f6e4 c3e4 d5e4 d1d2 c7c5

{D81   Gruenfeld: Russian variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 d1b3

{D82   Gruenfeld: 4.Bf4}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3

{D82/08   Gruenfeld: 4.Bf4 (...c5 dxc5)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 c7c5 d4c5 d8a5 a1c1

{D83   Gruenfeld: Gruenfeld gambit}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8

{D83   Gruenfeld: Gruenfeld gambit, Botvinnik variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 a1c1 c7c5 d4c5 c8e6

{D84   Gruenfeld: Gruenfeld gambit accepted}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 c4d5 f6d5 c3d5 d8d5 f4c7

{D85   Gruenfeld: exchange variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5

{D85   Gruenfeld: exchange variation 7.Bb5+}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1b5+

{D85/13   Gruenfeld: exchange variation 5.Bb5+ main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1b5+ c7c6 b5a4 b7b5 a4b3 b5b4 c1e3 b4c3 g1e2

{D85   Gruenfeld: exchange variation 7.Be3}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 c1e3 c7c5

{D85/23   Gruenfeld: exchange variation 7.Be3 main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 c1e3 c7c5 d1d2 d8a5 a1b1 b7b6 f1b5+ c8d7 b5e2

{D85   Gruenfeld: modern exchange variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 g1f3

{D85   Gruenfeld: modern exchange variation, 8.Be3}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 g1f3 c7c5 c1e3

{D85/37   Gruenfeld: modern exchange variation, 8.Be3 main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 g1f3 c7c5 c1e3 d8a5 d1d2 b8c6 a1c1 c5d4 c3d4 a5d2+ e1d2 e8g8 d4d5 f8d8 d2e1 c6a5 e3g5 c8d7 f1d3 d8c8

{D85/84   Gruenfeld: modern exchange variation, main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 g1f3 c7c5 a1b1 e8g8 f1e2 c5d4 c3d4 d8a5+ c1d2 a5a2 e1g1 c8g4 d2g5 h7h6 g5e3 b8c6 d4d5 c6e5 b1b7

{D85/02   Gruenfeld: modern exchange variation 5.Bd2}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 c1d2 f8g7 e2e4 d5b6 d2e3 e8g8 f1e2 b8c6 d4d5

{D85/57   Gruenfeld: modern exchange variation 7...c5}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c4d5 f6d5 e2e4 d5c3 b2c3 c7c5 a1b1 e8g8 f1e2 b8c6 d4d5 c6e5 f3e5 g7e5 d1d2 e7e6 f2f4 e5g7 c3c4 f8e8 e4e5 f7f6

{D86   Gruenfeld: exchange, classical variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4

{D86   Gruenfeld: exchange, Simagin's lesser variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 b7b6

{D86   Gruenfeld: exchange, Simagin's improved variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 b8c6

{D87   Gruenfeld: exchange, Spassky variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5

{D87   Gruenfeld: exchange, Seville variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c8g4 f2f3 c6a5 c4f7+

{D87   Gruenfeld: exchange, Spassky variation (...Qc7)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 c7c5 g1e2 e8g8 e1g1 b8c6 c1e3 d8c7 a1c1 f8d8 e3f4 c7d7 d4d5 c6a5 c4d3 b7b5 c1b1

{D87/16   Gruenfeld: exchange, Spassky variation (...Qc7 Bf4)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 c7c5 g1e2 e8g8 e1g1 b8c6 c1e3 d8c7 a1c1 f8d8 d1d2 c7a5 f1d1 c5d4 c3d4 a5d2

{D88   Gruenfeld: Spassky variation, main line (10...cxd4 11.cxd4)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c5d4 c3d4

{D88/05   Gruenfeld: Spassky variation, modern main line (7...c5)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 c7c5 g1e2 b8c6 c1e3 e8g8 e1g1 c8g4 f2f3 c6a5 c4f7+ f8f7 f3g4 f7f1+ g1f1 c5d4 c3d4 e7e5 d4d5 a5c4

{D89   Gruenfeld: Spassky variation, main line (13.Bd3)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c5d4 c3d4 c8g4 f2f3 c6a5 c4d3 g4e6

{D89   Gruenfeld: exchange, Sokolsky variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 c7c5 e1g1 b8c6 c1e3 c5d4 c3d4 c8g4 f2f3 c6a5 c4d3 g4e6 d4d5

{D89/10   Gruenfeld: exchange, Sokolsky variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 c7c5 g1e2 e8g8 e1g1 b8c6 c1e3 c5d4 c3d4 c8g4 f2f3 c6a5 c4d3 g4e6 a1c1 e6a2 d1a4 a2e6 d4d5 e6d7 a4b4 e7e6 e2c3 e6d5 c3d5 d7e6

{D90   Gruenfeld: three knights variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3

{D90   Gruenfeld: Schlechter variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 c7c6 c4d5

{D90   Gruenfeld: three knights variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7

{D90/04   Gruenfeld: three knights exchange}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c4d5 f6d5 c1d2 e8g8 e2e4 d5b6 d2e3 c8g4 f1e2 b8c6 d4d5

{D90   Gruenfeld: Flohr variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1a4+

{D90/04   Gruenfeld: modern exchange variation 5.Bd2}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 c1d2 f8g7 e2e4 d5b6 d2e3 e8g8 f1e2 b8c6 g1f3 c8g4 d4d5 g4f3

{D90/01   Gruenfeld: Schlechter variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 g7g6 c4d5 c6d5 c1f4 f8g7 e2e3 e8g8

{D91   Gruenfeld: 5.Bg5}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1g5

{D91/22   Gruenfeld: 5.Bg5, main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1g5 f6e4 c4d5 e4g5 f3g5 e7e6 g5f3 e6d5 e2e3 e8g8 b2b4 c7c6 f1e2

{D91/04   Gruenfeld: 5.Bg5 Ne4 6.Bf4}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1g5 f6e4 g5f4 e4c3 b2c3 c7c5 e2e3 e8g8 f1e2

{D91/04   Gruenfeld: Stockholm variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1g5 f6e4 g5f4 e4c3 b2c3 f8g7 e2e3 c7c5 g1f3

{D92   Gruenfeld: 5.Bf4}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1f4 e8g8

{D93   Gruenfeld with Bf4 e3}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1f4 e8g8 e2e3

{D93/16   Gruenfeld with Bf4 e3, ...c5 main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 c1f4 e8g8 e2e3 c7c5 d4c5 d8a5 a1c1 d5c4 f1c4 a5c5 c4b3 b8c6 e1g1 c5a5

{D93/16   Gruenfeld with Bf4 e3, ...c5 main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 c7c5 d4c5 d8a5 a1c1 d5c4 f1c4 e8g8 g1f3 a5c5 c4b3 b8c6 e1g1 c5a5 h2h3 c8f5 d1e2 f6e4 c3d5 e7e5

{D93   Gruenfeld with Bf4 e3 (Qb3)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 d1b3 c7c6 g1f3 d8a5

{D93   Gruenfeld with Bf4 e3}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 a1c1 c7c6 g1f3

{D93/03   Gruenfeld/Slav}d2d4 d7d5 g1f3 g8f6 c2c4 c7c6 d1c2 g7g6 c1f4 f8g7 e2e3 e8g8 b1c3 b8a6

{D94   Gruenfeld: 5.e3}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3

{D94   Gruenfeld: 6.Bd3}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 c7c6 f1d3 e8g8 e1g1 c8g4 h2h3 g4f3 d1f3 e7e6

{D94/16   Gruenfeld: 5.e3 c6}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 c7c6 f1e2 e8g8 e1g1 c8e6

{D94   Gruenfeld: Makogonov variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 b2b4

{D94   Gruenfeld: Opovcensky variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 c1d2

{D94   Gruenfeld (with e3 Bd3)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 f1d3

{D94   Gruenfeld: Flohr defence}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 f1d3 c7c6 e1g1 c8f5

{D94   Gruenfeld: Smyslov defence}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 f1d3 c7c6 e1g1 c8g4

{D94/18   Gruenfeld (with e3 Be2...c5)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 f1e2 c7c5 e1g1 c5d4 e3d4 b8c6 h2h3

{D94/18   Gruenfeld (with e3 Be2...c5)}d2d4 g8f6 c2c4 c7c5 e2e3 g7g6 g1f3 f8g7 b1c3 e8g8 f1e2 c5d4 e3d4 d7d5 e1g1 b8c6 h2h3 d5c4 e2c4 c6a5

{D94/23   Gruenfeld (with e3 Be2), main line}d2d4 d7d5 c2c4 c7c6 b1c3 g8f6 e2e3 g7g6 g1f3 f8g7 f1e2 e8g8 e1g1 d5c4 e2c4 c8g4 h2h3

{D95   Gruenfeld (with e3 & Qb3)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 d1b3

{D95   Gruenfeld: Pachman variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 d1b3 d5c4 f1c4 b8d7 f3g5

{D95   Gruenfeld: Botvinnik variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 e2e3 e8g8 d1b3 e7e6

{D96   Gruenfeld: Russian variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3

{D97   Gruenfeld: Russian variation (with e4)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4

{D97   Gruenfeld: Russian, Alekhine (Hungarian) variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 a7a6

{D97   Gruenfeld: Russian, Szabo (Boleslavsky) variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c7c6

{D97/11   Gruenfeld: Russian, Prins variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 b8a6 f1e2 c7c5 d4d5 e7e6 e1g1 e6d5 e4d5 c8f5 c1e3 f8e8 a1d1

{D97   Gruenfeld: Russian, Byrne (Simagin) variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 b8c6

{D98   Gruenfeld: Russian, Smyslov variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4 c1e3 f6d7

{D98   Gruenfeld: Russian, Keres variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4 c1e3 f6d7 f1e2 d7b6 c4d3

{D99   Gruenfeld defence: Smyslov, main line}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4 c1e3 f6d7 c4b3

{E00   Queen's pawn game}d2d4 g8f6 c2c4 e7e6

{E00   Catalan opening}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 c7c6 f1g2 f8b4+ c1d2 b4e7

{E00   Catalan opening}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 f8b4+ c1d2

{E00/06   Catalan opening}d2d4 g8f6 c2c4 e7e6 g2g3 f8b4+ c1d2 d8e7

{E00   Neo-Indian (Seirawan) attack}d2d4 g8f6 c2c4 e7e6 c1g5

{E00/06   Catalan opening}d2d4 e7e6 c2c4 f8b4+ c1d2 d8e7 g2g3 g8f6

{E01   Catalan: closed}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5

{E01   Catalan: closed}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2

{E01   Catalan}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 c7c5 g1f3 c5d4 e1g1 f8e7 f3d4 e8g8 c4d5 f6d5

{E01/02   Catalan: closed (...c6)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 c7c6 d1c2 b8d7 g1f3 f8d6 e1g1 e8g8 b1d2

{E01/10   Catalan (...c5)}d2d4 g8f6 c2c4 e7e6 g2g3 c7c5 g1f3 c5d4 f3d4 d7d5 f1g2 e6e5 d4f3 d5d4 e1g1 b8c6 e2e3 f8c5 e3d4 e5d4 b1d2 e8g8 d2b3

{E01/02   Catalan: closed (...c6)}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 g2g3 c7c6 f1g2 b8d7 e1g1 f8d6 d1c2 e8g8 b1d2 f8e8

{E02   Catalan: open}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4

{E02   Catalan: open (5.Qa4)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 d1a4+ c8d7

{E02   Catalan: open (5.Qa4)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 d1a4+ b8d7 g1f3 a7a6 b1c3

{E03   Catalan: open (5.Qa4 Nbd7 6.Qxc4)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 d1a4+ b8d7 a4c4

{E03/08   Catalan: open (5.Qa4 Nbd7 Qxc4) main line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 d5c4 d1a4+ b8d7 f1g2 a7a6 a4c4 b7b5 c4c2 c8b7

{E03/02   Catalan: open, Alekhine (English line)}c2c4 e7e6 g2g3 d7d5 f1g2 g8f6 g1f3 d5c4 d1a4+ b8d7 a4c4 c7c5 d2d4 a7a6 c4c2 c5d4

{E04   Catalan: open (5.Nf3)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3

{E04   Catalan: open (5.Nf3 c5)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3 c7c5 e1g1 b8c6

{E04/11   Catalan: open (5.Nf3 c5)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3 c7c5 e1g1 b8c6 f3e5 c8d7 b1a3

{E04   Catalan: open (5.Nf3 Nc6)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3 b8c6

{E04/20   Catalan: open (Nf3 a6), Polugaievsky variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 d5c4 f1g2 a7a6 e1g1 b8c6 e2e3 c8d7 d1e2 b7b5 f1d1

{E04   Catalan: open (Nf3...c5)}g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 d2d4 e7e6 e1g1 g8f6 c2c4 d5c4

{E05   Catalan: open, classical line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3 f8e7

{E05   Catalan: open, classical line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3 f8e7 e1g1 e8g8

{E05/09   Catalan: open, classical main line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3 f8e7 e1g1 e8g8 d1c2 a7a6 c2c4 b7b5 c4c2 c8b7 c1f4 b8c6 f1d1

{E05/03   Catalan: open (Nc3)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 f8e7 f1g2 e8g8 b1c3 d5c4 e1g1

{E05/19   Catalan: open, classical, modern line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 f8e7 f1g2 e8g8 e1g1 d5c4 d1c2 a7a6 a2a4 c8d7 c2c4 d7c6 c1g5 c6d5 c4d3 d5e4

{E05/14   Catalan: open, classical, modern line}g1f3 d7d5 d2d4 e7e6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 c2c4 d5c4 d1c2 a7a6 a2a4 c7c5 d4c5 b8c6 c2c4

{E06/06   Catalan: open (Qc2)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 d1c2 c7c5 e1g1 c5d4 f3d4 b8c6 d4c6 b7c6 b2b3

{E06/04   Catalan: closed}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 c7c6 d1c2 b7b6

{E07   Catalan: closed (6...Nbd7)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7

{E07   Catalan: closed, Botvinnik variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 b1c3 c7c6 d1d3

{E08   Catalan: closed (7.Qc2)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2

{E08   Catalan: closed (Qc2 & b3)}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b2b3

{E08/07   Catalan: closed, Spassky variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b2b3 b7b6 f1d1 c8b7 b1c3 b6b5

{E08/01   Catalan: closed, Bf4 main line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 c1f4 b7b6 b1d2 c8b7

{E08   Catalan: closed, Zagoryansky variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 f1d1 b7b6 a2a4

{E08/01   Catalan: closed, Bf4 main line (phantom line)}d2d4 g8f6 c2c4 e7e6 g2g3 f8b4+ c1d2 b4e7 f1g2 d7d5 g1f3 e8g8 e1g1 c7c6 d1c2 b7b6 d2f4 c8b7 b1d2 b8d7

{E08/03   Catalan: closed, modern line (4...e6)}d2d4 d7d5 g1f3 c7c6 c2c4 g8f6 d1c2 e7e6 g2g3 b8d7 f1g2 f8e7 e1g1 e8g8 f1d1 f6e4 b1c3 f7f5

{E09   Catalan: closed, main line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b1d2

{E09/02   Catalan: closed, Sokolsky variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 f8e7 g1f3 e8g8 e1g1 b8d7 d1c2 c7c6 b1d2 b7b6 b2b3 a7a5 c1b2 c8a6

{E09/02   Catalan: closed, slow Sokolsky variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 c7c6 f1g2 f8b4+ c1d2 b4e7 d1c2 e8g8 e1g1 b8d7 d2f4 f6h5 f4c1 h5f6 b1d2 b7b6 b2b3

{E10   Queen's pawn game}d2d4 g8f6 c2c4 e7e6 g1f3

{E10   Dzindzikhashvili defence}d2d4 g8f6 c2c4 e7e6 g1f3 a7a6

{E10   Blumenfeld counter-gambit}d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5

{E10   Blumenfeld counter-gambit accepted}d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5 d5e6 f7e6 c4b5 d7d5

{E10   Blumenfeld counter-gambit: Dus-Chotimursky variation}d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5 c1g5

{E10   Blumenfeld counter-gambit: Spielmann variation}d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 d4d5 b7b5 c1g5 e6d5 c4d5 h7h6

{E10/02   Queen's pawn (plus Benoni, QGD, Caro-Kann)}d2d4 g8f6 c2c4 e7e6 g1f3 c7c5 e2e3

{E11   Bogo-Indian defence}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+

{E11/20   Bogo-Indian defence: 4...a5}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ c1d2 a7a5 b1c3 d7d6

{E11/36   Bogo-Indian defence (...Be7 retreat)}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ c1d2 b4e7 g2g3 d7d5 f1g2 e8g8 e1g1 c7c6

{E11   Bogo-Indian defence: Nimzovich variation}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ c1d2 d8e7

{E11/35   Bogo-Indian defence: Nimzovich variation, main line}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ c1d2 d8e7 g2g3 b8c6 f1g2 b4d2+ b1d2 d7d6 e1g1 a7a5 e2e4 e6e5 d4d5 c6b8 f3e1 e8g8 e1d3 b8a6

{E11   Bogo-Indian defence: Gruenfeld variation}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ b1d2

{E11/07   Bogo-Indian defence (Yusupov)}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ b1d2 b7b6 a2a3 b4d2+ c1d2 c8b7 d2g5 d7d6 e2e3 b8d7 d1c2 h7h6 g5h4 a7a5

{E11   Bogo-Indian defence: Nimzovich variation}d2d4 g8f6 c2c4 e7e6 g1f3 b8c6 g2g3 f8b4+ c1d2 d8e7 f1g2 b4d2+

{E11/20   Bogo-Indian defence: 3...a5}d2d4 e7e6 c2c4 f8b4+ c1d2 a7a5 g1f3 d7d6 b1c3 g8f6

{E11/05   Bogo-Indian defence: Gruenfeld variation (4...O-O)}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ b1d2 e8g8 a2a3 b4e7 e2e4 d7d5

{E11/36   Bogo-Indian defence (Be7 retreat)}d2d4 g8f6 c2c4 e7e6 g2g3 f8b4+ c1d2 b4e7 f1g2 d7d5 g1f3 e8g8 e1g1 c7c6 d1c2 b7b6 b2b3 b8d7

{E12   Queen's Indian defence}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6

{E12   Queen's Indian: Petrosian system}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3

{E12/12   Queen's Indian: Petrosian system, 4...c5}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3 c7c5 d4d5 c8a6 d1c2 e6d5 c4d5 g7g6 b1c3 f8g7 g2g3 e8g8 f1g2 d7d6 e1g1 f8e8 f1e1

{E12   Queen's Indian: Petrosian system}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3 c8a6

{E12/19   Queen's Indian: Petrosian system, 5.Qc2}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3 c8a6 d1c2 a6b7 b1c3 c7c5 e2e4 c5d4 f3d4 b8c6 d4c6 b7c6 c1f4

{E12/76   Queen's Indian: Petrosian system, main line}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3 c8b7 b1c3 d7d5 c4d5 f6d5 e2e3 f8e7 f1b5+ c7c6 b5d3 e8g8 e3e4 d5c3 b2c3 c6c5 e1g1 c5d4

{E12/57   Queen's Indian: Petrosian system, alternate main line}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3 c8b7 b1c3 d7d5 c4d5 f6d5 d1c2 d5c3 b2c3 f8e7 e2e4 e8g8 f1d3 c7c5 e1g1 d8c8

{E12/32   Queen's Indian: Petrosian system, 6.Bg5}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 a2a3 c8b7 b1c3 d7d5 c1g5 f8e7 d1a4+ c7c6 g5f6 e7f6 c4d5 e6d5 g2g3 e8g8 f1g2

{E12   Queen's Indian: Miles variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 c1f4

{E12   Queen's Indian: 4.Nc3}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3

{E12/80   Queen's Indian: Mermaid variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 f8b4 d1b3 c7c5 a2a3 b4a5 c1g5 c8b7 e2e3 c5d4 f3d4

{E12   Queen's Indian accelerated: Petrosian system}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 a2a3

{E12/32   Queen's Indian: Petrosian system transposed}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 a2a3 d7d5 c4d5 e6d5 d1a4+ c7c6 c1g5 f8e7 g5f6 e7f6 g2g3 e8g8 f1g2

{E12   Queen's Indian: 4.Nc3}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 c1g5

{E12   Queen's Indian: 4.Nc3, Botvinnik variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 c1g5 h7h6 g5h4 g7g5 h4g3 f6h5

{E12/80   Queen's Indian: 4.Nc3 main line}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 c1g5 f8b4

{E12   Queen's Indian accelerated: Petrosian system}d2d4 b7b6 c2c4 c8b7 b1c3 g8f6 g1f3 e7e6 a2a3

{E13   Queen's Indian: main line}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 c1g5 h7h6 g5h4 f8b4

{E13/11   Queen's Indian: main line (7.e3)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 c8b7 c1g5 h7h6 g5h4 f8b4 e2e3 g7g5 h4g3 f6e4 d1c2

{E13/06   Queen's Indian: main line (Nd2)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 f8b4 c1g5 c8b7 e2e3 b4c3+ b2c3 d7d6 f3d2 h7h6 g5h4 b8d7 f2f3 d8e7 e3e4 e6e5 f1d3 g7g5 h4f2 f6h5

{E14   Queen's Indian: 4.e3}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 e2e3

{E14/07   Queen's Indian: Averbakh variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 e2e3 c8b7 f1d3 c7c5 e1g1 f8e7 b2b3 e8g8 c1b2 c5d4 e3d4 d7d5 b1d2 b8c6 a1c1 a8c8 d1e2 f8e8 f1d1 e7f8 e2e3 g7g6 h2h3

{E14   Queen's Indian: Averbakh variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 e2e3 c8b7 f1d3 c7c5 e1g1 f8e7 b2b3 e8g8 c1b2 c5d4 f3d4

{E14/03   Queen's Indian (with e3)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 e2e3 c8b7 f1d3 f8b4+ b1d2

{E14/01   Queen's Indian: Bogo-Indian}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ b1d2 b7b6 a2a3 b4d2+ d1d2

c8b7 e2e3

{E14/05   Queen's Indian (5.e3) Dreev variation}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ b1d2 b7b6 e2e3 c8b7 f1d3 e8g8 e1g1 d7d5 a2a3 b4e7 b2b4

{E14/13   Queen's Indian: modern Averbakh, main line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8e7 e2e3 b7b6 f1d3 c8b7 e1g1 e8g8 b2b3 c7c5 c1b2 b8c6 a1c1

{E14/13   Queen's Indian: modern Averbakh, main line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 f8e7 e2e3 e8g8 f1d3 b7b6 e1g1 c8b7 b2b3 c7c5

{E14/07   Queen's Indian: modern Averbakh variation}g1f3 g8f6 d2d4 e7e6 e2e3 b7b6 f1d3 c8b7 e1g1 f8e7 c2c4 e8g8 b2b3 c7c5 c1b2 c5d4 e3d4 d7d5 d1e2

{E15   Queen's Indian: 4.g3}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3

{E15   Queen's Indian: Nimzovich variation (exaggerated fianchetto)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8a6

{E15/17   Queen's Indian: Nimzovich variation (exaggerated fianchetto)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8a6 b2b3 d7d5 c4d5 e6d5 f1g2 f8d6 f3e5

{E15/18   Queen's Indian: Nimzovich variation (exaggerated fianchetto)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8a6 b2b3 d7d5 f1g2 f8b4+ c1d2 b4d6

{E15/40   Queen's Indian: Nimzovich variation (exaggerated fianchetto), main line}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8a6 b2b3 f8b4+ c1d2 b4e7 f1g2 c7c6 d2c3 d7d5 f3e5 f6d7 e5d7 b8d7 b1d2 e8g8 e1g1 a8c8 e2e4 b6b5 f1e1 d5e4

{E15/11   Queen's Indian: Nimzovich variation (exaggerated fianchetto) 5.Nbd2}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8a6 b1d2 a6b7 f1g2 c7c5 e2e4 c5d4

{E15   Queen's Indian: Rubinstein variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 d4d5 e6d5 f3h4

{E16   Queen's Indian: Yates variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8b4+ c1d2 a7a5

{E16   Queen's Indian: Riumin variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8b4+ c1d2 b4e7

{E16/13   Queen's Indian: Petrosian variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8b4+ c1d2 b4d2+ d1d2 e8g8 e1g1

{E16   Queen's Indian: Capablanca variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8b4+ b1d2

{E16/13   Bogo-Indian defence: Monticelli trap}d2d4 g8f6 c2c4 e7e6 g1f3 f8b4+ c1d2 b4d2+ d1d2 b7b6 g2g3

c8b7 f1g2 e8g8 b1c3 f6e4 d2c2 e4c3 f3g5

{E17   Queen's Indian: 5.Bg2 Be7}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7

{E17   Queen's Indian: anti-Queen's Indian system}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 b1c3

{E17   Queen's Indian: Opovcensky variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 b1c3 f6e4 c1d2

{E17   Queen's Indian: Euwe variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b2b3

{E17/15   Queen's Indian: Sosonko variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 d4d5 e6d5 f3h4 c7c6 c4d5 f6d5 h4f5 d5c7 b1c3 d7d5 e2e4 e7f6

{E18   Queen's Indian: old main line}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3

{E18/02   Queen's Indian: old main line (...d5)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3 d7d5 c4d5 e6d5

{E18/18   Queen's Indian: old main line (8.Bd2)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3 f6e4 c1d2 f7f5 d4d5 e7f6 a1c1 b8a6

{E18/09   Queen's Indian: old main line (8.Nxe4)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3 f6e4 c3e4 b7e4 f3e1 e4g2 e1g2 d7d5 d1a4 d8e8 a4e8 f8e8

{E18/07   Queen's Indian: old main line (...Ne4)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3 f6e4 d1c2 e4c3

{E18/06   Queen's Indian: revised old main line}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 f8e7 f1g2 e8g8 e1g1 b7b6 b1c3 c8b7 f3e5 b8a6 c4d5 e6d5 c1g5 f6e4 g5e7

{E19   Queen's Indian: old main line (9.Qxc3)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3 f6e4 d1c2 e4c3 c2c3

{E19/14   Queen's Indian: old main line (Qxc3)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 b1c3 f6e4 d1c2 e4c3 c2c3 c7c5 f1d1 d7d6 b2b3 e7f6 c1b2 d8e7 c3c2 b8c6

{E20   Nimzo (plus QGD, Benoni)}d2d4 g8f6 c2c4 e7e6 b1c3

{E20   Nimzo-Indian defence}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4

{E20   Nimzo-Indian: Kmoch variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 f2f3

{E20   Nimzo-Indian: Romanishin-Kasparov (Steiner) system}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g2g3

{E20/10   Nimzo-Indian: Romanishin-Kasparov (Steiner) system}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g2g3 c7c5 g1f3 c5d4 f3d4 f6e4

{E20/13   Nimzo-Indian: Romanishin-Kasparov, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g2g3 c7c5 g1f3 c5d4 f3d4 e8g8 f1g2 d7d5 c4d5 f6d5 d1b3

{E20/01   Nimzo-Indian defence (4.Bd2)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1d2 e8g8 e2e3 b7b6 g1f3 c8b7 f1d3 d7d5 e1g1 d5c4

{E20/05   Nimzo-Indian: Kasparov system}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 c7c5 g2g3 b8c6

{E20   Nimzo-Indian: Romanishin-Kasparov system}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 c7c5 g2g3 e8g8 f1g2 c5d4

{E20/12   Nimzo-Indian: Romanishin-Kasparov, modern line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 c7c5 g2g3 e8g8 f1g2 c5d4 f3d4 d7d5 c4d5 f6d5 c1d2

{E20/12   Nimzo-Indian: Romanishin-Kasparov, modern line}d2d4 g8f6 c2c4 e7e6 b1c3 c7c5 g1f3 c5d4 f3d4 f8b4 g2g3 e8g8 f1g2 d7d5 c4d5 f6d5 c1d2 b4c3 b2c3 e6e5 d4b5

{E20/13   Nimzo-Indian: Romanishin-Kasparov, modern line}d2d4 g8f6 c2c4 e7e6 g2g3 c7c5 g1f3 c5d4 f3d4 f8b4+ b1c3 e8g8 f1g2 d7d5 c4d5 f6d5 d1b3

{E21   Nimzo-Indian: three knights variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3

{E21   Nimzo-Indian: three knights, Korchnoi variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 c7c5 d4d5

{E21   Nimzo-Indian: three knights (...b6)}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 b1c3 f8b4

{E22   Nimzo-Indian: Spielmann variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3

{E22/04   Nimzo-Indian: Spielmann variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5

{E22   Nimzo-Indian: Spielmann variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b4c5 g1f3

{E23   Nimzo-Indian: Spielmann (4...c5 5.dxc5 Nc6)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6

{E24   Nimzo-Indian: Saemisch variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3

{E25   Nimzo-Indian: Saemisch variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 c7c5 f2f3 d7d5 c4d5

{E25/01   Nimzo-Indian: Saemisch variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 c7c5 f2f3 d7d5 c4d5 e6d5 e2e3 e8g8 f1d3 b8c6 g1e2 f8e8 e1g1 c5d4

{E25   Nimzo-Indian: Saemisch, Keres variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 c7c5 f2f3 d7d5 c4d5 f6d5 d4c5

{E25   Nimzo-Indian: Saemisch, Romanovsky variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 c7c5 f2f3 d7d5 c4d5 f6d5 d4c5 f7f5

{E26   Nimzo-Indian: Saemisch variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 c7c5 e2e3

{E26   Nimzo-Indian: Saemisch, O'Kelly variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 c7c5 e2e3 b7b6

{E27   Nimzo-Indian: Saemisch variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 e8g8

{E28   Nimzo-Indian: Saemisch variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 e8g8 e2e3

{E29   Nimzo-Indian: Saemisch, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 e8g8 e2e3 c7c5 f1d3 b8c6

{E29   Nimzo-Indian: Saemisch, Capablanca variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 e8g8 e2e3 c7c5 f1d3 b8c6 g1e2 b7b6 e3e4 f6e8

{E30   Nimzo-Indian: Leningrad variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5

{E30   Nimzo-Indian: Leningrad variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5 h7h6 g5h4 c7c5 d4d5

{E31   Nimzo-Indian: Leningrad, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5 h7h6 g5h4 c7c5 d4d5 d7d6

{E31/08   Nimzo-Indian: Leningrad, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5 c7c5 d4d5 d7d6 e2e3 h7h6 g5h4 b4c3+ b2c3 e6e5 f2f3

{E32   Nimzo-Indian: classical variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2

{E32   Nimzo-Indian: classical, Adorjan gambit}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 e8g8 a2a3 b4c3+ c2c3 b7b5

{E32/19   Nimzo-Indian: classical variation, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 e8g8 a2a3 b4c3+ c2c3 b7b6 c1g5 c8b7 f2f3 h7h6 g5h4 d7d5 e2e3 b8d7 c4d5 f6d5 h4d8 d5c3 d8h4

{E33   Nimzo-Indian: classical (4...Nc6)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 b8c6

{E33   Nimzo-Indian: classical, Milner-Barry (Zurich) variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 b8c6 g1f3 d7d6

{E33/07   Nimzo-Indian: classical, Milner-Barry modern main line}d2d4 g8f6 c2c4 b8c6 g1f3 e7e6 b1c3 f8b4 d1c2 d7d6 c1d2 e8g8 a2a3 b4c3 d2c3 f8e8

{E34   Nimzo-Indian: classical, Noa variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 c4d5

{E35   Nimzo-Indian: classical, Noa variation (5.cd ed)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 c4d5 e6d5

{E36   Nimzo-Indian: classical, Botvinnik variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3 b4c3+ c2c3 b8c6

{E37   Nimzo-Indian: classical, Noa variation, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3 b4c3+ c2c3 f6e4 c3c2 c7c5

{E37   Nimzo-Indian: classical, San Remo variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3 b4c3+ c2c3 f6e4 c3c2 b8c6 e2e3 e6e5

{E38   Nimzo-Indian: classical (4...c5)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 c7c5 d4c5

{E38/02   Nimzo-Indian: classical (4...c5/5...Na6)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 c7c5 d4c5 b8a6 a2a3 b4c3+ c2c3 a6c5 b2b4 c5e4 c3d4 d7d5 c4c5

{E39   Nimzo-Indian: classical, Pirc variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 c7c5 d4c5 e8g8

{E39/12   Nimzo-Indian: classical (without a3)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 c7c5 d4c5 e8g8 g1f3 b8a6 g2g3 a6c5 f1g2 c5e4 e1g1 e4c3 b2c3 b4e7 e2e4

{E40   Nimzo-Indian: 4.e3}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3

{E40   Nimzo-Indian: 4.e3, Taimanov variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b8c6

{E41   Nimzo-Indian: 4.e3 c5}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5

{E41   Nimzo-Indian: Huebner variation (e3)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5 f1d3 b8c6 g1f3 b4c3+ b2c3 d7d6

{E42   Nimzo-Indian: 4.e3 c5 5.Ne2 (Rubinstein)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5 g1e2

{E42/01   Nimzo-Indian: Fischer variation (Vajser-Aronin)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 g1e2 c7c5 a2a3 b4a5 a1b1 b8a6 c1d2 e8g8 e2g3 d7d5

{E43   Nimzo-Indian: Fischer variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6

{E43/03   Nimzo-Indian: Keene variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 f1d3 c8b7 g1f3 f6e4 e1g1 f7f5

{E43/11   Nimzo-Indian: Fischer/Larsen variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 f1d3 c8b7 g1f3 e8g8 e1g1 c7c5 c3a4 c5d4 e3d4 b4e7 a2a3 d8c7 b2b4

{E44   Nimzo-Indian: Fischer variation (5.Ne2)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 g1e2

{E45   Nimzo-Indian: 4.e3, Bronstein (Byrne) variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 g1e2 c8a6

{E46   Nimzo-Indian: 4.e3 O-O}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8

{E46   Nimzo-Indian: Reshevsky variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1e2

{E46   Nimzo-Indian: Simagin variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1e2 d7d5 a2a3 b4d6

{E47   Nimzo-Indian: 4.e3 O-O 5.Bd3}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3

{E48   Nimzo-Indian: 4.e3 O-O 5.Bd3 d5}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 d7d5

{E48/15   Nimzo-Indian: 7.O-O}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 d7d5 g1e2 c7c5 e1g1 c5d4 e3d4 d5c4 d3c4 b8c6 c1g5 b4e7 a2a3 b7b6

{E48/13   Nimzo-Indian: ...c5, Nge2 d5}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 c7c5 g1e2 d7d5 c4d5 c5d4 e3d4 f6d5 e1g1 b8c6 d3c2 b4d6 c3e4 d6e7 a2a3

{E48/08   Nimzo-Indian: ...c5, Nge2 d5}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 c7c5 g1e2 d7d5 c4d5 c5d4 e3d4 d8d5 e1g1 d5h5 c3e4

{E49   Nimzo-Indian: 4.e3, Botvinnik system}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 d7d5 a2a3 b4c3+ b2c3

{E51   Nimzo-Indian: 4.e3 O-O 5.Nf3 d5}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5

{E51   Nimzo-Indian: 4.e3, Ragozin variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 b8c6 e1g1 d5c4

{E52   Nimzo-Indian: 4.e3, main line (with...b6)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 b7b6

{E52/04   Nimzo-Indian: 4.e3, main line (...b6 O-O)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 b7b6 e1g1 c8b7 c4d5 e6d5 f3e5 b8d7

{E52/02   Nimzo-Indian: 4.e3, modern line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 b7b6 f1d3 c8b7 e1g1 d7d5 a2a3 b4d6 c4d5

{E53   Nimzo-Indian: 4.e3, main line (with...c5)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5

{E53   Nimzo-Indian: 4.e3, Keres variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b7b6

{E53   Nimzo-Indian: 4.e3, Gligoric system (with 7...Nbd7)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8d7

{E54   Nimzo-Indian: 4.e3, Gligoric system, Taimanov variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4 c8d7

{E54   Nimzo-Indian: 4.e3, Gligoric system, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4 c5d4 e3d4

{E54/03   Nimzo-Indian: 4.e3, Gligoric system, phantom line}c2c4 c7c6 e2e4 d7d5 e4d5 c6d5 d2d4 g8f6 b1c3 e7e6 g1f3 f8b4 f1d3 d5c4 d3c4 e8g8 e1g1

{E54/10    (C-K) Nimzo-Indian : 4.e3, Gligoric system, main line}e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6 g1f3 f8b4 f1d3 d5c4 d3c4 e8g8 e1g1 a7a6 c1g5 b7b5

{E55   Nimzo-Indian: 4.e3, Gligoric system, Bronstein variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4 b8d7

{E55/11   Nimzo-Indian: 4.e3, Gligoric system, Bronstein variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4 b8d7 d1e2 b7b6 d4d5 b4c3 d5e6 d7e5

{E56   Nimzo-Indian: 4.e3, main line (with 7...Nc6)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6

{E57   Nimzo-Indian: 4.e3, main line (with 8...dxc4 & 9...cxd4)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6 a2a3 d5c4 d3c4 c5d4

{E58   Nimzo-Indian: 4.e3, main line (with 8...Bxc3)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6 a2a3 b4c3 b2c3

{E58/04   Nimzo-Indian: 4.e3, main line (9...Qc7)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6 a2a3 b4c3 b2c3 d8c7 c4d5 e6d5 a3a4 f8e8

{E59   Nimzo-Indian: 4.e3, main line}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 b8c6 a2a3 b4c3 b2c3 d5c4 d3c4

{E60   King's Indian defence}d2d4 g8f6 c2c4 g7g6

{E60   King's Indian: 3.g3}d2d4 g8f6 c2c4 g7g6 g2g3

{E60/02   King's Indian: 3.g3 Bg7}d2d4 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 d7d6

{E60/02   King's Indian: fianchetto}d2d4 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 e8g8

{E60   King's Indian: 3.Nf3}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7

{E60/05   KID/Neo-Gruenfeld: 3.Nf3}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 c7c6 b1c3 d7d5

{E60   King's Indian: fianchetto variation}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 d7d6 e1g1

{E60/10   King's Indian: fianchetto, Yugoslav system}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 d7d6 e1g1 c7c5 d4c5 d6c5

{E60/03   Sokolsky: King's Indian}b2b4 g8f6 c1b2 g7g6 g1f3 f8g7 c2c4 e8g8 e2e3 d7d6 d2d4

{E60   Modern: King's Indian, fianchetto variation}d2d4 g7g6 c2c4 f8g7 g1f3 d7d6 g2g3 g8f6 f1g2 e8g8 e1g1

{E60/04   King's Indian: Nimzovich-Larsen attack}g1f3 g8f6 b2b3 g7g6 c1b2 f8g7 e2e3 e8g8 f1e2 d7d6 d2d4 b8d7 c2c4 e7e5

{E61   King's Indian defence (3.Nc3)}d2d4 g8f6 c2c4 g7g6 b1c3

{E61/01   King's Indian defence (3.Nc3 d6)}d2d4 g8f6 c2c4 g7g6 b1c3 d7d6

{E61   King's Indian: 3.Nc3 Bg7}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6

{E61   King's Indian: Smyslov system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 c1g5

{E61/04   King's Indian defence (6.e3)}d2d4 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 d7d6 b1c3 e8g8 e2e3 c7c5 g1e2 b8c6 e1g1 c8d7

{E61/10   King's Indian: Nc3/e3}d2d4 g8f6 c2c4 d7d6 g1f3 g7g6 b1c3 f8g7 e2e3 e8g8 f1e2

{E61   King's Indian (Bf4)}d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 b1c3 e8g8 c1f4 d7d6 h2h3 c7c5

{E61   King's Indian: Smyslov system}d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 b1c3 e8g8 c1g5 c7c5 e2e3

{E61/19   King's Indian: Smyslov system, main line}d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 b1c3 e8g8 c1g5 d7d6 e2e3 b8d7 f1e2 c7c6 e1g1 e7e5

{E61/15   King's Indian: Smyslov system, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 c1g5 e8g8 e2e3 d7d6 g1f3

{E61   Old Indian: King's Indian (Nc3)}d2d4 d7d6 c2c4 g8f6 g1f3 c8g4 b1c3 g7g6 e2e3 f8g7

{E61/04   King's Indian defence (Nc3/Nge2)}c2c4 g7g6 b1c3 f8g7 g2g3 g8f6 f1g2 c7c5 e2e3 e8g8 g1e2 b8c6 e1g1 d7d6 d2d4 c8d7

{E61/11   Reti: King's Indian defence (3.Nc3/e3)}g1f3 c7c5 c2c4 g7g6 e2e3 f8g7 d2d4 g8f6 b1c3 e8g8 f1e2 d7d6 e1g1 c8f5

{E62   King's Indian: fianchetto, Larsen system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c6 e1g1 c8f5

{E62   King's Indian: fianchetto, Kavalek (Bronstein) variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c6 e1g1 d8a5

{E62   King's Indian: fianchetto (with...Nc6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6

{E62   King's Indian: fianchetto, Uhlmann (Szabo) variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 e7e5

{E62   King's Indian: fianchetto, lesser Simagin (Spassky) variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 c8f5

{E62   King's Indian: fianchetto, Simagin variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 c8g4

{E62/11   King's Indian: fianchetto, Kavalek (Bronstein) variation}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 d7d6 b1c3 c7c6 e1g1 d8a5 e2e4 c8g4 h2h3 g4f3 g2f3

{E63   King's Indian: fianchetto, Panno system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8c6 e1g1 a7a6

{E63   King's Indian: fianchetto, Panno system}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 d7d6 e1g1 b8c6 b1c3 a7a6 d4d5

{E64   King's Indian: fianchetto, Yugoslav system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c5

{E65   King's Indian: fianchetto, Yugoslav (7.O-O)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c5 e1g1

{E66   King's Indian: fianchetto, Yugoslav Panno}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c5 e1g1 b8c6 d4d5

{E66   King's Indian: fianchetto, Yugoslav Panno}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 c7c5 e1g1 b8c6 d4d5 c6a5 f3d2 a7a6 d1c2 a8b8 b2b3 b7b5

{E66/05   King's Indian: fianchetto, modern Yugoslav Panno}d2d4 g8f6 c2c4 g7g6 g2g3 f8g7 g1f3 e8g8 f1g2 d7d6 e1g1 b8c6 d4d5 c6a5 f3d2 c7c5 b1c3 a7a6 a1b1 a8b8 b2b3 b7b5 d1c2 d8c7

{E67   King's Indian: fianchetto (with...Nd7)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7

{E67   King's Indian: fianchetto, classical variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5

{E67/04   King's Indian: fianchetto, classical (8.h3)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5 h2h3 a7a6 d4e5 d6e5 c1e3

{E67/01   King's Indian: fianchetto (with ...c6)}d2d4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 d7d6 c2c4 c7c6 b1c3 b8d7

{E68   King's Indian: fianchetto, classical variation (8.e4)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5 e2e4 c7c6

{E68/12   King's Indian: fianchetto, classical variation (8.e4 exd4)}d2d4 g8f6 c2c4 g7g6 g2g3 f8g7 f1g2 d7d6 b1c3 e8g8 g1f3 b8d7 e1g1 e7e5 e2e4 e5d4 f3d4 f8e8 h2h3 d7c5 f1e1 a7a5 d4b5

{E68/17   King's Indian: fianchetto, classical variation (7.Qc2)}d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 g2g3 e8g8 f1g2 d7d6 e1g1 b8d7 d1c2 e7e5 f1d1 f8e8 b1c3 c7c6 e2e4 d8e7 b2b3

{E69   King's Indian: fianchetto, classical main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3 e8g8 f1g2 b8d7 e1g1 e7e5 e2e4 c7c6 h2h3

{E69/09   King's Indian: fianchetto, classical (...Qa5)}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 d7d6 b1c3 c7c6 e1g1 d8a5 e2e4 e7e5 h2h3 b8d7 f1e1 e5d4 f3d4 f8e8

{E69/19   King's Indian: fianchetto, classical main line}d2d4 g8f6 c2c4 g7g6 g1f3 f8g7 g2g3 e8g8 f1g2 d7d6 b1c3 b8d7 e1g1 e7e5 h2h3 c7c6 e2e4 e5d4 f3d4 f8e8 f1e1 a7a5 a1b1 d7c5 b2b3 c8d7 c1f4 d8b6

{E69/14   King's Indian: fianchetto, classical (9...Qb6)}c2c4 g8f6 d2d4 g7g6 g2g3 f8g7 f1g2 e8g8 b1c3 d7d6 g1f3 b8d7 e1g1 e7e5 e2e4 c7c6 h2h3 d8b6 f1e1 e5d4 f3d4 f6e8 d4b3 a7a5

{E69/14   King's Indian: fianchetto, classical (9...Qb6)}d2d4 g8f6 g1f3 g7g6 g2g3 f8g7 c2c4 e8g8 f1g2 d7d6 b1c3 c7c6 e1g1 b8d7 e2e4 e7e5 h2h3 d8b6 f1e1 e5d4

{E69/12   King's Indian: fianchetto, classical main line}g1f3 g7g6 c2c4 f8g7 d2d4 g8f6 g2g3 e8g8 f1g2 d7d6 e1g1 b8d7 b1c3 e7e5 e2e4 c7c6 h2h3 d8b6 d4d5 c6d5

{E70   King's Indian defence}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4

{E70   King's Indian defence}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6

{E70/14   King's Indian: Benoni system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1d3 e8g8 g1e2 c7c5 d4d5 e7e6

{E70/14   King's Indian: Benoni system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1d3 e8g8 g1e2 c7c5 d4d5 e7e6 e1g1 e6d5

{E70/14   King's Indian: Benoni system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1d3 e8g8 g1e2 c7c5 d4d5 e7e6 e1g1 e6d5 e4d5

{E70/11   King's Indian defence: Bd3}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1d3 e8g8 g1e2 b8c6 e1g1 e7e5

{E70   King's Indian: accelerated Averbakh system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 c1g5

{E70   King's Indian: Kramer system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1e2

{E70/09   King's Indian: Kramer system (6.Ng3)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1e2 e8g8 e2g3 e7e5 d4d5 c7c6 f1e2 c6d5 c4d5 a7a6

{E70/14   King's Indian: Benoni system}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 d7d6 e2e4 f8g7 f1d3 e8g8 g1e2

{E70/14   King's Indian: Benoni system}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 d7d6 e2e4 f8g7 f1d3 e8g8 g1e2 e7e6 e1g1 e6d5 e4d5

{E71   King's Indian: Makagonov system (5.h3)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 h2h3 e8g8 c1g5 c7c5

{E72   King's Indian (with e4 & g3)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g2g3

{E72   King's Indian: Pomar system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g2g3 e8g8 f1g2 e7e5 g1e2

{E73   King's Indian: 5.Be2}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2

{E73   King's Indian: semi-Averbakh system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1e3

{E73   King's Indian: Averbakh system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5

{E73/04   King's Indian: Averbakh system (...Na6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5 b8a6 d1d2 e7e5 d4d5 d8e8 e2d1 a6c5 d1c2 a7a5 g1e2 c8d7 f2f3 h7h5

{E73/06   King's Indian: Averbakh system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5 b8d7 d1d2 e7e5 d4d5 d7c5 f2f3 a7a5 h2h4 c7c6

{E74   King's Indian: Averbakh (6...c5)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5 c7c5

{E75   King's Indian: Averbakh, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 c1g5 c7c5 d4d5 e7e6

{E76   King's Indian: four pawns attack}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4

{E76/09   King's Indian: four pawns attack, Benoni formation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 c7c5 d4d5 e8g8 g1f3 e7e6 d5e6 c8e6 f1d3 e6g4 e1g1 b8c6 d1e1

{E76/01   King's Indian: four pawns attack, exchange}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 c7c5 d4c5 d8a5 f1d3 a5c5 g1f3 b8c6

{E76/07   King's Indian: four pawns attack, exchange}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 c7c5 d4c5 d8a5 f1d3 a5c5 d1e2 c8g4 g1f3 b8c6

{E76/08   King's Indian: four pawns attack, Benoni formation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 g1f3 c7c5 d4d5 a7a6 a2a4

{E76   King's Indian: four pawns attack}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 g1f3 c8g4

{E76/03   King's Indian: four pawns attack, Benoni formation}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 f8g7 e2e4 d7d6 f1d3 e8g8 f2f4 e7e6 d5e6 f7e6

{E77   King's Indian: four pawns attack (6.Be2)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2

{E77   King's Indian: four pawns attack}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 d4d5 e7e6 g1f3

{E77   King's Indian: four pawns attack, Florentine gambit}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 d4d5 e7e6 g1f3 e6d5 e4e5

{E79   King's Indian: four pawns attack, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 g1f3 c5d4 f3d4 b8c6 c1e3

{E80   King's Indian: Saemisch variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3

{E81   King's Indian: Saemisch (5...O-O)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8

{E81/12   King's Indian: Saemisch, Sax variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 a7a6 d1d2 b7b6 e1c1

{E81   King's Indian: Saemisch-Benoni (d5...a6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 c7c5 d4d5 a7a6 a2a4

{E81   King's Indian: Saemisch-Benoni}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 c7c5 d4d5 e7e6 f1d3

{E81   King's Indian: Saemisch-Benoni, exchange}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 c7c5 d4c5

{E81/05   King's Indian: Saemisch-Benoni (7.Nge2)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 c7c5 g1e2 b8c6

{E81   King's Indian: Saemisch, Byrne variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 c7c6 f1d3 a7a6

{E81   King's Indian: Saemisch-Benoni (d5...Nbd7)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 b8d7 g1h3

{E81   King's Indian: Saemisch (6...Na6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8a6

{E81/11   King's Indian: Saemisch, Commons variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8d7 d1d2 c7c5 g1e2 a7a6 e1c1 d8a5 c1b1 b7b5 d4c5 d6c5

{E81/01   King's Indian: Saemisch-Benoni}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 a7a6 d1d2 c7c6 f1d3 b7b5

{E81/02   King's Indian: Saemisch-Benoni}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 a7a6

{E81/03   King's Indian: Saemisch-Benoni}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 e7e6 d1d2 e6d5

{E81/03   King's Indian: Saemisch-Benoni, Kremeneckij variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 e7e6 d1d2 e6d5 c3d5 c8e6 g1e2 e6d5 c4d5 b8d7 e2c3 a7a6 f1e2

{E81   King's Indian: Saemisch (6.Bg5 7...Na6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 b8a6 d1d2 a6c7 f1d3

{E81   King's Indian: Saemisch (6.Bg5 7...Nbd7)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 b8d7 d1d2 f8e8 g1e2 a7a6 g5h6

{E81   King's Indian: Saemisch (6.Bg5 7...Qa5)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 c7c5 d4d5 d8a5 d1d2 e7e6 a2a4 a7a6 a1a3

{E81/03   King's Indian: Saemisch-Benoni}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 c1g5 e8g8 d1d2 c7c5 d4d5 e7e6 f2f3 e6d5

{E81/04   King's Indian: Kramer system Saemisch}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1e2 e8g8 f2f3 e7e5 c1g5 c7c6 d1d2

{E81/01   King's Indian: Saemisch, Benoni formation}d2d4 g8f6 c2c4 c7c5 d4d5 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1g5 h7h6

{E82   King's Indian: Saemisch, double fianchetto variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b7b6

{E83   King's Indian: Saemisch (6...Nc6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6

{E83   King's Indian: Saemisch, Panno formation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6 g1e2 a7a6 d1d2

{E84   King's Indian: Saemisch, Panno main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6 g1e2 a7a6 d1d2 a8b8

{E84/11   King's Indian: Saemisch, Panno main line (9.h4)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6 g1e2 a7a6 d1d2 a8b8 h2h4 h7h5 e1c1 b7b5 e3h6 e7e5 h6g7 g8g7

{E85   King's Indian: Saemisch, orthodox variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5

{E86   King's Indian: Saemisch, orthodox (7.Nge2 c6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 g1e2 c7c6 d1d2 b8d7 d4d5 c6d5

{E87   King's Indian: Saemisch, orthodox (7.d5)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5

{E87   King's Indian: Saemisch, orthodox, Bronstein variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 f6h5 d1d2 d8h4+ g2g3 h5g3 d2f2 g3f1 f2h4 f1e3 e1e2 e3c4

{E88   King's Indian: Saemisch, orthodox (7.d5 c6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 c7c6

{E88/09   King's Indian: Saemisch, orthodox (7.d5 c6), main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 c7c6 d1d2 c6d5 c4d5 a7a6 f1d3 f6h5 g1e2

{E89   King's Indian: Saemisch, orthodox main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 d4d5 c7c6 g1e2 c6d5

{E89/05   King's Indian: Saemisch, orthodox main line (Gligoric)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 g1e2 c7c6 d1d2 b8d7 d4d5 c6d5 c4d5 a7a6 g2g4 h7h5 g4g5 f6h7 h2h4

{E90   King's Indian: 5.Nf3}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3

{E90/22   King's Indian: 5.Nf3 main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 h2h3 c7c5 d4d5 e7e6 f1d3

{E90/08   King's Indian: Orak variation (h3...Nbd7)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 h2h3 b8d7 c1g5 c7c6

{E90   King's Indian: Larsen variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 c1e3

{E90   King's Indian: Zinnowitz variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 c1g5

{E90/19   King's Indian: 5.Nf3 (transposed)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1d3 c7c5 d4d5 e8g8 g1f3 e7e6 h2h3 b8a6 e1g1 a6c7 f1e1

{E90/22   Robatsch: King's Indian 3.Nf3/d5 main line}e2e4 g7g6 d2d4 f8g7 g1f3 c7c5 d4d5 d7d6 c2c4 g8f6 b1c3 e8g8 h2h3 e7e6

{E91   King's Indian: 6.Be2}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2

{E91   King's Indian (6.Be2)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 c7c5 d4d5 e7e6

{E91   King's Indian: Kazakh variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 b8a6

{E91/03   King's Indian: 6...Nbd7 7.Bg5}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 b8d7 c1g5 h7h6 g5h4 g6g5

{E91/06   King's Indian: ...c5 Be2}d2d4 g8f6 c2c4 c7c5 d4d5 d7d6 b1c3 g7g6 e2e4 f8g7 g1f3 e8g8 f1e2 e7e6 e1g1 f8e8 f3d2 b8a6

{E92   King's Indian: classical variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5

{E92   King's Indian: Petrosian system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5

{E92   King's Indian: Petrosian system, Stein variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 a7a5

{E92/25   King's Indian: Petrosian system, Stein variation, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 a7a5 c1g5 h7h6 g5h4 b8a6 f3d2 d8e8 e1g1 c8d7 b2b3 f6h7 a2a3 h6h5 f2f3

{E92   King's Indian: Andersson variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4e5

{E92   King's Indian: Gligoric-Taimanov system}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 c1e3

{E92/13   King's Indian: Gligoric-Taimanov 7...Ng4 main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 c1e3 f6g4 e3g5 f7f6 g5h4 b8c6 d4d5 c6e7 f3d2

{E93   King's Indian: Petrosian system, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 b8d7

{E93   King's Indian: Petrosian system, Keres variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 b8d7 c1g5 h7h6 g5h4 g6g5 h4g3 f6h5 h2h4

{E94   King's Indian: orthodox variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1

{E94   King's Indian: orthodox, Donner variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 c7c6

{E94/02   King's Indian: orthodox variation (...c6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 c7c6 c1e3 e5d4 f3d4

{E94/04   King's Indian: orthodox (7...exd4)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 e5d4 f3d4 f8e8 f2f3 c7c6 c1e3

{E94/08   King's Indian: orthodox (7...Na6)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8a6 c1e3 f6g4 e3g5 d8e8 d4e5 d6e5 h2h3 h7h6 g5d2 g4f6 d2e3 f6h5

{E94/09   King's Indian: orthodox (7...Na6 8.Re1)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8a6 f1e1 c7c6 e2f1

{E94   King's Indian: orthodox variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8d7 c1e3

{E94/26   King's Indian: orthodox (7...Nbd7)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8d7 c1e3 c7c6 d4d5 c6c5 f3e1 f6e8

{E94/28   King's Indian: orthodox (...d5)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 d4d5 b8d7 e1g1 d7c5 d1c2 a7a5 c1g5 h7h6 g5e3

{E94   King's Indian: orthodox variation}d2d4 d7d6 g1f3 g7g6 c2c4 f8g7 b1c3 b8d7 e2e4 e7e5 f1e2 g8f6 e1g1 e8g8 c1e3

{E95   King's Indian: orthodox (7...Nbd7 8.Re1)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8d7 f1e1

{E96   King's Indian: orthodox (7...Nbd7) main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8d7 f1e1 c7c6 e2f1 a7a5

{E97   King's Indian: orthodox, Aronin-Taimanov variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6

{E97   King's Indian: orthodox, Aronin-Taimanov, bayonet attack}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 b2b4

{E97/11   King's Indian: orthodox, Aronin-Taimanov (9.b4)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 b2b4 f6h5 f1e1 h5f4 e2f1 a7a5 b4a5 a8a5 f3d2 c7c5 a2a4 a5a6 a1a3 g6g5 g2g3

{E97/28   King's Indian: orthodox, Aronin-Taimanov (with 9.Nd2)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3d2 a7a5 a2a3 f6d7 a1b1 f7f5 b2b4 g8h8 f2f3 e7g8 d1c2 g8f6 c3b5 a5b4 a3b4 f6h5 g2g3 d7f6

{E97/02   King's Indian: orthodox, Aronin-Taimanov variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 c1e3 f6g4 e3g5 f7f6 g5c1

{E97/10   King's Indian: orthodox, Aronin-Taimanov (9.b4)}d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 b1c3 e8g8 e2e4 d7d6 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 b2b4 a7a5 c1a3

{E97/11   King's Indian: orthodox, Aronin-Taimanov (4.e4)}g1f3 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 d2d4 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 b2b4 f6h5

{E98   King's Indian: orthodox, Aronin-Taimanov (9.Ne1)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1

{E98/02   King's Indian: orthodox, Aronin-Taimanov (...Ne8)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6e8 e1d3 f7f5

{E99   King's Indian: orthodox, Aronin-Taimanov, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 f2f3 f7f5

{E99   King's Indian: orthodox, Aronin-Taimanov, Benko attack}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 f2f3 f7f5 g2g4

{E99   King's Indian: orthodox, Aronin-Taimanov, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 f2f3 f7f5 e1d3

{E99   King's Indian: orthodox, Aronin-Taimanov (10.Nd3)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 e1d3 f7f5 f2f3 f5f4 c1d2 d7f6 c4c5 g6g5 c5d6 c7d6

{E99   King's Indian: orthodox, Aronin-Taimanov (10.Nd3)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 g1f3 e8g8 f1e2 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 e1d3 f7f5 c1d2 d7f6 f2f3 f5f4

{E99/03   King's Indian: orthodox, Aronin-Taimanov, main line}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f1e2 e8g8 g1f3 e7e5 e1g1 b8c6 d4d5 c6e7 f3e1 f6d7 c1e3 f7f5 f2f3 f5f4 e3f2 g6g5 a2a4 e7g6

{A00   Amar gambit}g1h3 d7d5 g2g3 e7e5 f2f4 c8h3 f1h3 e5f4

{A00   Battambang opening}b1c3 e7e5 a2a3

{A00   Crab opening}a2a4 e7e5 h2h4

{A00   Polish: Tuebingen variation}b2b4 g8h6

{A00   Grob: Fritz gambit}g2g4 d7d5 f1g2 c8g4 c2c4

{A00   Grob: Romford counter-gambit}g2g4 d7d5 f1g2 c8g4 c2c4 d5d4

{A00   Hammerschlag (Fried fox/Pork chop opening)}f2f3 e7e5 e1f2

{A00   Mieses opening}d2d3 e7e5

{A00   Valencia opening}d2d3 e7e5 b1d2

{A00   Venezolana opening}d2d3 c7c5 b1c3 b8c6 g2g3

{A01   Nimzovich-Larsen attack: Polish variation}b2b3 b7b5

{A01   Nimzovich-Larsen attack: symmetrical variation}b2b3 b7b6

{A02   Bird: From gambit}f2f4 e7e5

{A02   Bird: From gambit: Lipke variation}f2f4 e7e5 f4e5 d7d6 e5d6 f8d6 g1f3 g8h6 d2d4

{A02   Bird: Hobbs gambit}f2f4 g7g5

{A03   Bird's opening: Williams gambit}f2f4 d7d5 e2e4

{A03   Mujannah opening}f2f4 d7d5 c2c4

{A04   Reti: Herrstroem gambit}g1f3 g7g5

{A06   Tennison (Lemberg, Zukertort) gambit}g1f3 d7d5 e2e4

{A07   Reti: King's Indian attack}g1f3 d7d5 g2g3 g7g6

{A10   English: Jaenisch gambit}c2c4 b7b5

{A12   English: Bled variation}c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 g7g6

{A15   English orang-utan}c2c4 g8f6 b2b4

{A16   English: Anglo-Gruenfeld defence}c2c4 g8f6 b1c3 d7d5

{A18   English: Mikenas-Carls, Kevitz variation}c2c4 g8f6 b1c3 e7e6 e2e4 b8c6

{A20   English: Nimzovich variation}c2c4 e7e5 g1f3

{A21   Amsterdam attack}e2e3 e7e5 c2c4 d7d6 b1c3 b8c6 b2b3 g8f6

{A21   English: Smyslov defence}c2c4 e7e5 b1c3 d7d6 g1f3 c8g4

{A25   English: closed (5.Rb1) Taimanov variation}c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 a1b1 g8h6

{A28   English: four knights system}c2c4 e7e5 b1c3 b8c6 g1f3 g8f6

{A43   Hawk (Habichd) defence}d2d4 c7c5 d4d5 g8f6 g1f3 c5c4

{A43   Old Benoni: Schmid's system}d2d4 c7c5 d4d5 d7d6 b1c3 g7g6

{A45   Blackmar-Diemer gambit}d2d4 g8f6 f2f3 d7d5 e2e4

{A45   Gedult attack}d2d4 g8f6 f2f3 d7d5 g2g4

{A45   Poisoned spike (Gibbins-Wiedenhagen) gambit}d2d4 g8f6 g2g4 f6g4 e2e4 d7d6 f1e2 g4f6 b1c3

{A45   Queen's pawn: Bronstein gambit}d2d4 g8f6 g2g4

{A46   Doery defence}d2d4 g8f6 g1f3 f6e4

{A47   Queen's Indian: Marienbad system, Berg variation}d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 c2c4 c5d4 d1d4

{A53   Old Indian: Steiner-Wade variation}d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 d4d5

{A57   Benko gambit: Zaitsev system}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3

{A58   Benko gambit: Nd2 variation}d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 g1f3 g7g6 f3d2

{A61   Benoni: fianchetto variation}d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3

{A80   Dutch: Krejcik gambit}d2d4 f7f5 g2g4

{A80   Dutch: Korchnoi attack}d2d4 f7f5 h2h3

{A80   Dutch: Von Pretzel gambit}d2d4 f7f5 d1d3 e7e6 g2g4

{A81   Dutch: Leningrad, Basman system}d2d4 f7f5 g2g3 g7g6 f1g2 f8g7 g1f3 c7c6 e1g1 g8h6

{A82   Dutch: Staunton gambit}d2d4 f7f5 e2e4

{A83   Dutch: Staunton gambit, Nimzovich variation}d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 b7b6

{A83   Dutch: Staunton gambit, Lasker variation}d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 g7g6 f2f3

{A83   Dutch: Staunton gambit, Alekhine variation}d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 g7g6 h2h4

{A84   Dutch defence}d2d4 f7f5 c2c4

{A84   Dutch: Staunton gambit deferred}d2d4 f7f5 c2c4 e7e6 e2e4

{A86   Dutch (with c4 & g3)}d2d4 f7f5 c2c4 g8f6 g2g3

{A95   Dutch: stonewall, Chekhover variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b1c3 c7c6 d1c2 d8e8 c1g5

{A97   Dutch: Ilyin-Genevsky, Winter variation}d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3 d8e8 f1e1

{B00   Barnes defence}e2e4 f7f6

{B00   Corn stalk defence}e2e4 a7a5

{B00   Fred}e2e4 f7f5

{B00   Hippopotamus defence}e2e4 g8h6 d2d4 g7g6 c2c4 f7f6

{B00   KP: Colorado counter}e2e4 b8c6 g1f3 f7f5

{B00   KP: Neo-Mongoloid defence}e2e4 b8c6 d2d4 f7f6

{B00   KP: Nimzovich defence, Wheeler gambit}e2e4 b8c6 b2b4 c6b4 c2c3 b4c6 d2d4

{B00   Lemming defence}e2e4 b8a6

{B00   Reversed Grob (Borg/Basman defence/macho Grob)}e2e4 g7g5

{B01   Scandinavian: Richter variation}e2e4 d7d5 e4d5 g8f6 d2d4 g7g6

{B01   Scandinavian: Anderssen counter-attack orthodox attack}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 d4e5 f8b4 c1d2 b8c6 g1f3

{B01   Scandinavian: Anderssen counter-attack, Goteborg system}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 g1f3

{B01   Scandinavian: Anderssen counter-attack, Collijn variation}e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 g1f3 c8g4

{B02   Alekhine's defence}e2e4 g8f6

{B02   Alekhine's defence: Krejcik variation}e2e4 g8f6 f1c4

{B02   Alekhine's defence: Welling variation}e2e4 g8f6 e4e5 f6d5 b2b3

{B02   Alekhine's defence}e2e4 g8f6 e4e5 f6d5 c2c4

{B02   Alekhine's defence: Steiner variation}e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 b2b3

{B02   Alekhine's defence: two pawns (Lasker's) attack}e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 c4c5

{B02   Alekhine's defence: Mokele Mbembe (Buecker) variation}e2e4 g8f6 e4e5 f6e4

{B03   Alekhine's defence: O'Sullivan gambit}e2e4 g8f6 e4e5 f6d5 d2d4 b7b5

{B03   Alekhine's defence: four pawns attack}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4

{B03   Alekhine's defence: four pawns attack, Trifunovic variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 c8f5

{B03   Alekhine's defence: four pawns attack (7.Be3)}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 c1e3

{B03   Alekhine's defence: four pawns attack, Ilyin-Genevsky var.}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 g1f3 c8g4 e5e6 f7e6 c4c5

{B03   Alekhine's defence: four pawns attack, Planinc variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 g7g5

{B05   Alekhine's defence: modern variation (4...Bg4)}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4

{B05   Alekhine's defence: modern, Alekhine variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 c2c4

{B05   Alekhine's defence: modern, Vitolins attack}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 c2c4 d5b6 d4d5

{B05   Alekhine's defence: modern, Panov variation}e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 h2h3

{B06   Pirc-Robatsch (Bg5)}e2e4 g7g6 d2d4 f8g7 c1g5 d7d6

{B06   Pirc-Robatsch (4.Be3 b6)}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1e3 b7b6

{B06   Pirc-Robatsch (4.Be3 Nh6)}e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 c1e3 g8h6

{B06/14   Robatsch defence: Geller's system}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c3 b8c6

{B06/14   Robatsch defence}e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c3 g8f6 d1c2

{B07   Pirc: Sveshnikov system}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g2g3

{B08   Pirc: classical (two knights) system}e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3

{B10   Caro-Kann: Hillbilly attack}e2e4 c7c6 f1c4

{B12   Caro-Kann: Edinburgh variation}e2e4 c7c6 d2d4 d7d5 b1d2 d8b6

{B12   de Bruycker defence}e2e4 c7c6 d2d4 b8a6 b1c3 a6c7

{B15   Caro-Kann: Gurgenidze counter-attack}e2e4 c7c6 d2d4 d7d5 b1c3 b7b5

{B20   Sicilian: wing gambit, Santasiere variation}e2e4 c7c5 b2b4 c5b4 c2c4

{B27   Sicilian: Acton extension}e2e4 c7c5 g1f3 g7g6 c2c4 f8h6

{B27   Sicilian: Stiletto (Althouse) variation}e2e4 c7c5 g1f3 d8a5

{B40   Sicilian: Pin, Jaffe variation}e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4 f1d3 e6e5

{B58   Sicilian: Boleslavsky, Louma variation}e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5 d4c6

{B62   Sicilian: Richter-Rauzer, Podvebrady variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d4b3

{B62   Sicilian: Richter-Rauzer, Richter attack}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d4c6

{B65   Sicilian: Richter-Rauzer, Rauzer attack...Be7...Nxd4 defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 f8e7 e1c1 e8g8 f2f4 c6d4

{B73   Sicilian: dragon, classical, Zollner gambit}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 f2f4 d8b6 e4e5

{B74   Sicilian: dragon, classical, Alekhine variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 a7a5

{B74   Sicilian: dragon, classical, Bernard defence}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 c6a5 f4f5 e6c4 e2d3 c4d3 c2d3 d6d5

{B80   Sicilian: Scheveningen, Vitolins variation}e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1b5+

{C00   French defence}e2e4 e7e6 d2d4 d7d5

{C00   French defence}e2e4 e7e6 b1c3

{C00   Lengfellner system}e2e4 e7e6 d2d4 d7d6

{C00   St.George defence}e2e4 e7e6 d2d4 a7a6

{C01   French: exchange, Bogolyubov variation}e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 b1c3 g8f6 c1g5 b8c6

{C06   French: Tarrasch, Leningrad variation}e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6 g1e2 c5d4 c3d4 d7b6

{C10   French: Rubinstein variation}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4

{C10   French: Frere (Becker) variation}e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 d8d5

{C11   French: Henneberger variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1e3

{C11   French: Steinitz, Bradford attack}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 f8c5 d1g4

{C11   French: Steinitz, Brodsky-Jones variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 b8c6 a2a3 f8c5 d1g4 e8g8 g1f3 f7f6

{C12   French: MacCutcheon, advance variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5

{C12   French: MacCutcheon, Dr.Olland (Dutch) variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5c1

{C12   French: MacCutcheon, Tartakower variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 f6d7

{C12   French: MacCutcheon, Bernstein variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5h4

{C12   French: MacCutcheon, Chigorin variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 e5f6

{C12   French: MacCutcheon, Grigoriev variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 e5f6 h6g5 f6g7 h8g8 h2h4 g5h4 d1g4

{C13   French: classical, Anderssen variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 g5f6

{C13   French: Albin-Alekhine-Chatard attack, Teichmann variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 f7f6

{C13   French: Albin-Alekhine-Chatard attack, Spielmann variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 e8g8

{C13   French: classical, Vistaneckis (Nimzovich) variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6g8

{C13   French: classical, Frankfurt variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6g8 g5e3 b7b6

{C14   French: classical variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7

{C14   French: classical, Tarrasch variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 f1d3

{C14   French: classical, Rubinstein variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 d1d2

{C14   French: classical, Pollock variation}e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 d1g4

{C15   French: Winawer, Alekhine gambit}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4c3+

{C17   French: Winawer, advance variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5

{C17   French: Winawer, advance, Rauzer variation}e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 c5d4 a3b4 d4c3 g1f3

{C20   KP: King's head opening}e2e4 e7e5 f2f3

{C20   KP: Mengarini's opening}e2e4 e7e5 a2a3

{C20   KP: Napoleon's opening}e2e4 e7e5 d1f3

{C20   KP: Patzer opening}e2e4 e7e5 d1h5

{C21   Centre game: Kieseritsky variation}e2e4 e7e5 d2d4 e5d4 g1f3 c7c5 f1c4 b7b5

{C21   Centre game}e2e4 e7e5 d2d4 e5d4 d1d4

{C21   Danish gambit: Collijn defence}e2e4 e7e5 d2d4 e5d4 c2c3 d4c3 f1c4 c3b2 c1b2 d8e7

{C21   Halasz gambit}e2e4 e7e5 d2d4 e5d4 f2f4

{C22   Centre game: Hall variation}e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4c4

{C22   Centre game: Charousek variation}e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 f8b4+ c2c3 b4e7

{C22   Centre game: l'Hermet variation}e2e4 e7e5 d2d4 e5d4 d1d4 b8c6 d4e3 f7f5

{C23   Bishop's opening: four pawns' gambit}e2e4 e7e5 f1c4 f8c5 b2b4 c5b4 f2f4 e5f4 g1f3 b4e7 d2d4 e7h4+ g2g3 f4g3 e1g1 g3h2+ g1h1

{C23   Bishop's opening: Lewis counter-gambit}e2e4 e7e5 f1c4 f8c5 c2c3 d7d5

{C23   Bishop's opening: Pratt variation}e2e4 e7e5 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 d7d5 e5f6 d5c4 d1h5 e8g8

{C23   Bishop's opening: del Rio variation}e2e4 e7e5 f1c4 f8c5 c2c3 d8g5

{C23   Bishop's opening: Lewis gambit}e2e4 e7e5 f1c4 f8c5 d2d4

{C23   Bishop's opening: Lisitsyn variation}e2e4 e7e5 f1c4 c7c6 d2d4 d7d5 e4d5 c6d5 c4b5+ c8d7 b5d7+ b8d7 d4e5 d7e5 g1e2

{C23   Bishop's opening: Calabrese counter-gambit, Jaenisch variation}e2e4 e7e5 f1c4 f7f5 d2d3

{C24   Bishop's opening: Greco gambit}e2e4 e7e5 f1c4 g8f6 f2f4

{C24   Bishop's opening: Burger attack}e2e4 e7e5 f1c4 g8f6 g2g4

{C25   Vienna: Zhuravlev countergambit}e2e4 e7e5 b1c3 f8b4 d1g4 g8f6

{C25   Vienna: Fyfe gambit}e2e4 e7e5 b1c3 b8c6 d2d4

{C25   Vienna: Steinitz gambit, Fraser-Minckwitz variation}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 d2d4 d8h4+ e1e2 b7b6

{C25   Vienna: Hamppe-Muzio gambit}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1

{C25   Vienna: Hamppe-Muzio, Dubois variation}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 e1g1 g4f3 d1f3 c6e5 f3f4 d8f6

{C25   Vienna: Pierce gambit}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 d2d4

{C25   Vienna: Pierce gambit, Rushmere attack}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 d2d4 g5g4 f1c4 g4f3 e1g1 d7d5 e4d5 c8g4 d5c6

{C25   Vienna: Hamppe-Allgaier gambit, Alapin variation}e2e4 e7e5 b1c3 b8c6 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 d7d6

{C26   Vienna: Mengarini variation}e2e4 e7e5 b1c3 g8f6 a2a3

{C27   Vienna game}e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 f8e7

{C27   Vienna: Adams gambit}e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 d1h5 e4d6 c4b3 b8c6 d2d4

{C29   Vienna gambit: Steinitz variation}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 d2d3

{C29   Vienna gambit: Wurzburger trap}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d2d3 d8h4+ g2g3 e4g3 g1f3 h4h5 c3d5

{C29   Vienna gambit: Kaufmann variation}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 g1f3 c8g4 d1e2

{C29   Vienna gambit: Bardeleben variation}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d1f3 f7f5

{C29   Vienna gambit: Heyde variation}e2e4 e7e5 b1c3 g8f6 f2f4 d7d5 f4e5 f6e4 d1f3 f7f5 d2d4

{C30   KGD: classical counter-gambit}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3 f7f5

{C30   KGD: classical, Reti variation}e2e4 e7e5 f2f4 f8c5 g1f3 d7d6 c2c3 f7f5 f4e5 d6e5 d2d4 e5d4 f1c4

{C30   KGD: Keene's defence}e2e4 e7e5 f2f4 d8h4+ g2g3 h4e7

{C30   KGD: Norwalde variation}e2e4 e7e5 f2f4 d8f6

{C30   KGD: Norwalde variation, Buecker gambit}e2e4 e7e5 f2f4 d8f6 g1f3 f6f4 b1c3 f8b4 f1c4

{C32   KGD: Falkbeer (5.dxe4)}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4

{C32   KGD: Falkbeer, Alapin variation}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 g1f3 f8c5 d1e2 c5f2+ e1d1 d8d5+ f3d2

{C32   KGD: Falkbeer, Tarrasch variation}e2e4 e7e5 f2f4 d7d5 e4d5 e5e4 d2d3 g8f6 d3e4 f6e4 g1f3 f8c5 d1e2 c8f5 g2g4 e8g8

{C33   KGA: bishop's gambit, Bryan counter-gambit}e2e4 e7e5 f2f4 e5f4 f1c4 b7b5

{C33   KGA: bishop's gambit, Ruy Lopez defence}e2e4 e7e5 f2f4 e5f4 f1c4 c7c6

{C33   KGA: bishop's gambit, Anderssen variation}e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 c7c6

{C33   KGA: bishop's gambit, Boren-Svenonius variation}e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 d8h4+ e1f1 f8d6

{C33   KGA: bishop's gambit, Gifford variation}e2e4 e7e5 f2f4 e5f4 f1c4 d7d5 c4d5 d8h4+ e1f1 g7g5 g2g3

{C33   KGA: bishop's gambit, Maurian defence}e2e4 e7e5 f2f4 e5f4 f1c4 b8c6

{C33   KGA: bishop's gambit, Paulsen attack}e2e4 e7e5 f2f4 e5f4 f1c4 g8f6 b1c3 f8b4 e4e5

{C33   KGA: bishop's gambit, Bryan counter-gambit}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 b7b5

{C33   KGA: bishop's gambit, Greco variation}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 f8c5

{C33   KGA: bishop's gambit, Grimm attack}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 g7g5 b1c3 f8g7 d2d4 d7d6 e4e5

{C33   KGA: bishop's gambit, classical defence}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 g7g5 b1c3 f8g7 d2d4 g8e7

{C33   KGA: bishop's gambit, McDonnell attack}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 g7g5 b1c3 f8g7 d2d4 g8e7 g2g3

{C33   KGA: bishop's gambit, McDonnell attack}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 g7g5 b1c3 f8g7 g2g3

{C33   KGA: bishop's gambit, Fraser variation}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 g7g5 b1c3 f8g7 g2g3 f4g3 d1f3

{C33   KGA: bishop's gambit, classical defence, Cozio attack}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 g7g5 d1f3

{C33   KGA: bishop's gambit, Boden defence}e2e4 e7e5 f2f4 e5f4 f1c4 d8h4+ e1f1 b8c6

{C33   KGA: Breyer gambit}e2e4 e7e5 f2f4 e5f4 d1f3

{C33   KGA: Carrera (Basman) gambit}e2e4 e7e5 f2f4 e5f4 d1e2

{C33   KGA: Lopez-Gianutio counter-gambit, Hein variation}e2e4 e7e5 f2f4 e5f4 f1c4 f7f5 d1e2 d8h4+ e1d1 f5e4 b1c3 e8d8

{C33   KGA: Orsini gambit}e2e4 e7e5 f2f4 e5f4 b2b3

{C33   KGA: Pawn's gambit (Stamma gambit)}e2e4 e7e5 f2f4 e5f4 h2h4

{C33   KGA: Schurig gambit}e2e4 e7e5 f2f4 e5f4 f1d3

{C33   KGA: Tumbleweed gambit}e2e4 e7e5 f2f4 e5f4 e1f2

{C33   KGA: Villemson (Steinitz) gambit}e2e4 e7e5 f2f4 e5f4 d2d4

{C37   KGA: Blachly gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 b8c6

{C37   KGA: Herzfeld gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 f3e5 d8h4+ e1f1 b8c6

{C37   KGA: Lolli gambit (wild Muzio gambit)}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 c4f7+

{C37   KGA: Lolli gambit, Young variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 g5g4 c4f7+ e8f7 e1g1 g4f3 d1f3 d8f6 d2d4 f6d4+ c1e3 d4f6 b1c3

{C38   KGA: Greco gambit}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 f1c4 f8g7 h2h4 h7h6 d2d4 d7d6 b1c3 c7c6

{C39   KGA: Allgaier, Walker attack}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 f1c4+

{C39   KGA: Allgaier, Urusov attack}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 f1c4+ d7d5 c4d5+ f7g7 d2d4

{C39   KGA: Allgaier, Horny defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3g5 h7h6 g5f7 e8f7 d1g4 g8f6 g4f4 f8d6

{C39   KGA: Kieseritsky, Polerio defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 f8e7

{C39   KGA: Kieseritsky, Brentano (Campbell) defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5

{C39   KGA: Kieseritsky, Brentano defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5 d2d4 g8f6 c1f4

{C39   KGA: Kieseritsky, Brentano defence, Caro variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5 d2d4 g8f6 c1f4 f6e4 b1d2

{C39   KGA: Kieseritsky, Brentano defence, Kaplanek variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d7d5 d2d4 g8f6 e4d5 d8d5 b1c3 f8b4 e1f2

{C39   KGA: Kieseritsky, long whip (Stockwhip, classical) defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 h7h5

{C39   KGA: Kieseritsky, Neumann defence}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 b8c6

{C39   KGA: Kieseritsky, Berlin defence (6.Bc4)}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 g8f6 f1c4

{C39   KGA: Kieseritsky, Salvio defence, Cozio variation}e2e4 e7e5 f2f4 e5f4 g1f3 g7g5 h2h4 g5g4 f3e5 d8e7 d2d4 f7f5 f1c4

{C40   Latvian: Behting variation}e2e4 e7e5 g1f3 f7f5 f1c4 f5e4 f3e5 d8g5 e5f7 g5g2 h1f1 d7d5 f7h8 g8f6

{C41   Philidor: Lopez counter-gambit, Jaenisch variation}e2e4 e7e5 g1f3 d7d6 f1c4 f7f5 d2d4 e5d4 f3g5 g8h6 g5h7

{C41   Philidor: Paulsen attack}e2e4 e7e5 g1f3 d7d6 d2d4 e5d4 f3d4 d6d5 e4d5

{C41   Philidor: Philidor counter-gambit}e2e4 e7e5 g1f3 d7d6 d2d4 f7f5

{C41   Philidor: Philidor counter-gambit, Berger variation}e2e4 e7e5 g1f3 d7d6 d2d4 f7f5 d4e5 f5e4 f3g5 d6d5 e5e6 f8c5 b1c3

{C41   Philidor: Hanham, Delmar variation}e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 c2c3

{C41   Philidor: Hanham, Kmoch variation}e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 f3g5

{C41   Philidor: Hanham, Berger variation}e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 f3g5 g8h6 f2f4 f8e7 e1g1 e8g8 c2c3 d6d5

{C41   Philidor: Hanham, Krause variation}e2e4 e7e5 g1f3 d7d6 d2d4 b8d7 f1c4 c7c6 e1g1

{C41   Philidor: Nimzovich, Klein variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 f1c4

{C41   Philidor: Nimzovich, Sokolsky variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 d4e5 f6e4 b1d2

{C41   Philidor: Nimzovich, Locock variation}e2e4 e7e5 g1f3 d7d6 d2d4 g8f6 f3g5

{C42   Boden-Kieseritsky gambit: Lichtenhein defence}e2e4 e7e5 b1c3 g8f6 f1c4 f6e4 g1f3 d7d5

{C42   Petrov: Italian variation}e2e4 e7e5 g1f3 g8f6 f1c4

{C42   Petrov: classical attack, Krause variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1 c8g4 c2c3 f7f5 c3c4

{C42   Petrov: classical attack, Maroczy variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 d6d5 f1d3 f8e7 e1g1 b8c6 f1e1 c8g4 c2c3 f7f5 c3c4 e7h4

{C42   Petrov: classical attack, close variation}e2e4 e7e5 g1f3 g8f6 f3e5 d7d6 e5f3 f6e4 d2d4 e4f6

{C43   Petrov: modern attack, Steinitz variation}e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 e4e5 f6e4 d1e2

{C43   Petrov: modern attack, Bardeleben variation}e2e4 e7e5 g1f3 g8f6 d2d4 e5d4 e4e5 f6e4 d1e2 e4c5 f3d4 b8c6

{C44   Dresden opening}e2e4 e7e5 g1f3 b8c6 c2c4

{C44   Irish (Chicago) gambit}e2e4 e7e5 g1f3 b8c6 f3e5 c6e5 d2d4

{C44   King's pawn game}e2e4 e7e5 g1f3 b8c6

{C44   Ponziani opening}e2e4 e7e5 g1f3 b8c6 c2c3

{C44   Ponziani: Romanishin variation}e2e4 e7e5 g1f3 b8c6 c2c3 f8e7

{C44   Ponziani: Caro variation}e2e4 e7e5 g1f3 b8c6 c2c3 d7d5 d1a4 c8d7

{C44   Ponziani: Leonhardt variation}e2e4 e7e5 g1f3 b8c6 c2c3 d7d5 d1a4 g8f6

{C44   Ponziani counter-gambit}e2e4 e7e5 g1f3 b8c6 c2c3 f7f5

{C44   Ponziani counter-gambit, Schmidt attack}e2e4 e7e5 g1f3 b8c6 c2c3 f7f5 d2d4 d7d6 d4d5

{C44   Ponziani counter-gambit, Cordel variation}e2e4 e7e5 g1f3 b8c6 c2c3 f7f5 d2d4 d7d6 d4d5 f5e4 f3g5 c6b8 g5e4 g8f6 f1d3 f8e7

{C44   Ponziani: Jaenisch counter-attack}e2e4 e7e5 g1f3 b8c6 c2c3 g8f6

{C44   Ponziani: Reti variation}e2e4 e7e5 g1f3 b8c6 c2c3 g8e7

{C44   Scotch: Relfsson gambit ('MacLopez')}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1b5

{C44   Scotch gambit}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4+

{C44   Scotch gambit}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4+ c2c3 d4c3 b2c3

{C44   Scotch gambit: Cochrane variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4+ c2c3 d4c3 b2c3 b4a5 e4e5

{C44   Scotch gambit: Hanneken variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8b4+ c2c3 d4c3 e1g1 c3b2 c1b2 g8f6 f3g5 e8g8 e4e5 c6e5

{C44   Scotch gambit: Vitzhum attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f1c4 f8c5 f3g5 g8h6 d1h5

{C44   Scotch: Sea-cadet mate}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 c2c3 d4c3 b1c3 d7d6 f1c4 c8g4 e1g1 c6e5 f3e5 g4d1 c4f7+ e8e7 c3d5#

{C44   Scotch: Lolli variation}e2e4 e7e5 g1f3 b8c6 d2d4 c6d4

{C44   Scotch: Cochrane variation}e2e4 e7e5 g1f3 b8c6 d2d4 c6d4 f3e5 d4e6

{C44   Tayler opening}e2e4 e7e5 g1f3 b8c6 f1e2 g8f6 d2d4

{C45   Scotch: Paulsen, Gunsberg defence}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 f1b5 c6d8

{C45   Scotch: Blackburne attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 d1d2

{C45   Scotch: Gottschall variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 c1e3 d8f6 c2c3 g8e7 d1d2 d7d5 d4b5 c5e3 d2e3 e8g8 b5c7 a8b8 c7d5 e7d5 e4d5 c6b4

{C45   Scotch: Romanishin variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 f8c5 d4b3 c5b4+

{C45   Scotch: Tartakower variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6 d4c6 b7c6 b1d2

{C45   Scotch: Ghulam Kassim variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 c6d4 d1d4 d7d6 f1d3

{C45   Scotch: Horwitz attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5

{C45   Scotch game}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5 f8b4+ c1d2

{C45   Scotch: Rosenthal variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5 f8b4+ c1d2 h4e4+ f1e2 e8d8 e1g1 b4d2 b1d2 e4g6

{C45   Scotch: Berger variation}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4b5 f8b4+ b1d2 h4e4+ f1e2 e4g2 e2f3 g2h3 b5c7+ e8d8 c7a8 g8f6 a2a3

{C45   Scotch: Fraser attack}e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 d8h4 d4f3

{C46   Three knights: Schlechter variation}e2e4 e7e5 g1f3 b8c6 b1c3 f8b4 c3d5 g8f6

{C46   Three knights: Winawer defence (Gothic defence)}e2e4 e7e5 g1f3 b8c6 b1c3 f7f5

{C47   Four knights: Scotch (4...exd4)}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 e5d4

{C47   Four knights: Schultze-Mueller gambit (Halloween attack)}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f3e5

{C48   Four knights: Ranken variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 a7a6 b5c6

{C48   Four knights: Bardeleben variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8c5 e1g1 e8g8 f3e5 c6e5 d2d4 c5d6 f2f4 e5c6 e4e5 d6b4

{C48   Four knights: Rubinstein counter-gambit (5.Be2)}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 b5e2

{C48   Four knights: Rubinstein counter-gambit, Maroczy variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 b5e2 d4f3+ e2f3 f8c5 e1g1

{C48   Four knights: Rubinstein counter-gambit, Bogolyubov variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 c6d4 f3e5 d8e7 f2f4

{C49   Four knights game}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 b4c3

{C49   Four knights: Svenonius variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 b4c3 b2c3 d7d5

{C49   Four knights: symmetrical, Tarrasch variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 c8e6

{C49   Four knights: symmetrical, Pillsbury variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 c6e7

{C49   Four knights: symmetrical, Blake variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d7d6 c1g5 c6e7 f3h4 c7c6 b5c4 d6d5 c4b3 d8d6

{C49   Four knights: Alatortsev variation}e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 f1b5 f8b4 e1g1 e8g8 d2d3 d8e7 c3e2 d7d5

{C50   Blackburne shilling gambit}e2e4 e7e5 g1f3 b8c6 f1c4 c6d4 f3e5 d8g5 e5f7

{C50   Giuoco Piano: Jerome gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c4f7+

{C50   Giuoco Pianissimo: Dubois variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 d2d3 f7f5 f3g5 f5f4

{C51   Evans gambit declined: Showalter variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 a2a4 a7a6 b1c3

{C51   Evans gambit declined: Lange variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 g8h6

{C51   Evans gambit declined: Pavlov variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 g8h6 d2d4 d7d6 c1h6 d6e5 h6g7 h8g8

{C51   Evans gambit declined: Hirschbach variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 d8g5

{C51   Evans gambit declined: Vasquez variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 d8g5 c4f7+ e8e7 d1h5

{C51   Evans gambit declined: Hicken variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 b4b5 c6a5 f3e5 d8g5 d1f3 g5e5 f3f7+ e8d8 c1b2

{C51   Evans gambit declined: Cordel variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b6 c1b2

{C51   Evans gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4

{C51   Evans gambit: Fraser attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c8g4 d1a4

{C51   Evans gambit: Fraser-Mortimer attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c8g4 d1a4 g4d7 a4b3 c6a5 c4f7+ e8f8 b3c2

{C51   Evans gambit: Goering attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c6a5 c1g5

{C51   Evans gambit: Steinitz variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4c5 d2d4 e5d4 e1g1 d7d6 c3d4 c5b6 b1c3 c6a5 c1g5 f7f6 g5e3

{C51   Evans gambit (5...Be7)}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4e7

{C51   Evans gambit: Mayet defence}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4f8

{C51   Evans counter-gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 d7d5

{C52   Evans gambit}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5

{C52   Evans gambit: Leonhardt variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 b7b5

{C52   Evans gambit: Sokolsky variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6 c1g5

{C52   Evans gambit: Levenfish variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 d7d6 d1b3 d8d7 d4e5 d6e5 e1g1 a5b6 c1a3 c6a5 f3e5

{C52   Evans gambit: compromised defence, Paulsen variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 e5d4 e1g1 d4c3 d1b3 d8f6 e4e5 f6g6 b1c3 g8e7 c1a3

{C52   Evans gambit: compromised defence, Potter variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 d2d4 e5d4 e1g1 d4c3 d1b3 d8f6 e4e5 f6g6 b1c3 g8e7 f1d1

{C52   Evans gambit: Sanders-Alapin variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 d7d6 d2d4 c8d7

{C52   Evans gambit: Richardson attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 b2b4 c5b4 c2c3 b4a5 e1g1 g8f6 d2d4 e8g8 f3e5

{C53   Giuoco Piano: LaBourdonnais variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d7d6 d2d4 e5d4 c3d4 c5b6

{C53   Giuoco Piano}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4

{C53   Giuoco Piano: Ghulam Kassim variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 e4e5 f6e4 c4d5 e4f2 e1f2 d4c3+ f2g3

{C53   Giuoco Piano: centre-holding variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6

{C53   Giuoco Piano: Mestel variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6 c1g5

{C53   Giuoco Piano: Tarrasch variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 d8e7 d2d4 c5b6 e1g1 g8f6 a2a4 a7a6 f1e1 d7d6 h2h3

{C54   Giuoco Piano: Cracow variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ e1f1

{C54   Giuoco Piano: Steinitz variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 b4c3 b2c3 d7d5 c1a3

{C54   Giuoco Piano: Therkatz-Herzog variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 b4c3 d4d5 c3f6 f1e1 c6e7 e1e4 d7d6 c1g5 f6g5 f3g5 e8g8 g5h7

{C54   Giuoco Piano: Moeller, bayonet attack}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 b4c3 d4d5 c3f6 f1e1 c6e7 e1e4 d7d6 g2g4

{C54   Giuoco Piano: Greco variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 e4c3

{C54   Giuoco Piano: Aitken variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 e4c3 b2c3 b4c3 c1a3

{C54   Giuoco Piano: Bernstein variation}e2e4 e7e5 g1f3 b8c6 f1c4 f8c5 c2c3 g8f6 d2d4 e5d4 c3d4 c5b4+ b1c3 f6e4 e1g1 e4c3 b2c3 b4c3 d1b3 d7d5

{C55   Giuoco piano: Holzhausen attack}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 e1g1 f8c5 d2d4 c5d4 f3d4 c6d4 c1g5 d7d6 f2f4 d8e7 f4e5 d6e5 b1c3

{C55   Giuoco piano: Rosentreter variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 e1g1 f8c5 d2d4 c5d4 f3d4 c6d4 c1g5 h7h6 g5h4 g7g5 f2f4

{C55   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4

{C55   Two knights: Max Lange attack, Schlechter variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1+ c8e6 f6g7

{C55   Two knights: Max Lange attack, Loman defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1+ c8e6 f3g5 g7g6

{C55   Two knights: Max Lange attack, Berger variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1+ c8e6 f3g5 d8d5 b1c3 d5f5 g2g4 f5g6 c3e4 c5b6 f2f4 e8c8

{C55   Two knights: Max Lange attack, Rubinstein variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 d7d5 e5f6 d5c4 f1e1+ c8e6 f3g5 d8d5 b1c3 d5f5 c3e4 c5f8

{C55   Two knights: Max Lange attack, Steinitz variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 f6g4

{C55   Two knights: Max Lange attack, Krause variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f8c5 e4e5 f6g4 c2c3

{C56   Two knights defence: Canal variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 d2d4 e5d4 e1g1 f6e4 f1e1 d7d5 b1c3

{C57   Two knights defence: Lolli attack}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 d2d4

{C57   Two knights defence: Pincus variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 d2d4 f8b4+

{C57   Two knights defence: Fegatello attack, Leonhardt variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 g5f7 e8f7 d1f3+ f7e6 b1c3 c6b4 f3e4 c7c6 a2a3 b4a6 d2d4 a6c7

{C57   Two knights defence: Fegatello attack, Polerio defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 f6d5 g5f7 e8f7 d1f3+ f7e6 b1c3 c6e7

{C58   Two knights defence}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5

{C58   Two knights defence: Bogolyubov variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 d1f3

{C58   Two knights defence: Blackburne variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 d1f3 c6b5

{C58   Two knights defence: Paoli variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 d1f3 d8c7 b5d3

{C58   Two knights defence: Colman variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 c4b5+ c7c6 d5c6 b7c6 d1f3 a8b8

{C58   Two knights defence: Yankovich variation}e2e4 e7e5 g1f3 b8c6 f1c4 g8f6 f3g5 d7d5 e4d5 c6a5 d2d3 h7h6 g5f3 e5e4 d1e2 a5c4 d3c4 f8c5 f3d2

{C60   Ruy Lopez: Lucena defence}e2e4 e7e5 g1f3 b8c6 f1b5 f8e7

{C60   Ruy Lopez: Nuernberg variation}e2e4 e7e5 g1f3 b8c6 f1b5 f7f6

{C60   Ruy Lopez: Brentano defence}e2e4 e7e5 g1f3 b8c6 f1b5 g7g5

{C60   Ruy Lopez: Pollock defence}e2e4 e7e5 g1f3 b8c6 f1b5 c6a5

{C60   Ruy Lopez: Vinogradov variation}e2e4 e7e5 g1f3 b8c6 f1b5 d8e7

{C64   Ruy Lopez: classical defence, Charousek variation}e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3 c5b6

{C64   Ruy Lopez: classical defence, Boden variation}e2e4 e7e5 g1f3 b8c6 f1b5 f8c5 c2c3 d8e7

{C65   Ruy Lopez: Berlin defence, Mortimer trap}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 d2d3 c6e7 f3e5 c7c6

{C67   Ruy Lopez: Berlin defence, Trifunovic variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 d7d5

{C67   Ruy Lopez: Berlin defence, Zukertort variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6b7 c2c4

{C67   Ruy Lopez: Berlin defence, Cordel variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 f8e7 d1e2 e4d6 b5c6 b7c6 d4e5 d6f5

{C67   Ruy Lopez: open Berlin defence, Showalter variation}e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 b5a4

{C70   Ruy Lopez}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4

{C70   Ruy Lopez: Caro variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 b7b5

{C70   Ruy Lopez: Alapin's defence deferred}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 f8b4

{C70   Ruy Lopez: fianchetto defence deferred}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g7g6

{C70   Ruy Lopez: Bird's defence deferred}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 c6d4

{C71   Ruy Lopez: modern Steinitz defence, three knights variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 d7d6 b1c3

{C78   Ruy Lopez: 5.O-O}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1

{C78   Ruy Lopez: Rabinovich variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 b7b5 a4b3 d7d6 f3g5 d6d5 e4d5 c6d4 f1e1 f8c5 e1e5+ e8f8

{C80   Ruy Lopez: open (6.d4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4

{C80   Ruy Lopez: open (6.d4 b5)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5

{C80   Ruy Lopez: open (7.Bb3)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3

{C80   Ruy Lopez: open, Berger variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 a2a4 c6d4 f3d4 e5d4 b1c3

{C80   Ruy Lopez: open, Zukertort variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c6e7

{C80   Ruy Lopez: open, Richter variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 d4d5

{C80   Ruy Lopez: open, Friess attack}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 f3e5

{C80   Ruy Lopez: open, Knorre variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 b1c3

{C81   Ruy Lopez: open, Howell attack, Adam variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 d1e2 f8e7 c2c4

{C82   Ruy Lopez: open (9.c3)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3

{C82   Ruy Lopez: open, Italian variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5

{C82   Ruy Lopez: open, St.Petersburg variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 b1d2

{C82   Ruy Lopez: open, Motzko attack, Nenarokov variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8c5 d1d3 c6e7

{C83   Ruy Lopez: open (9...Be7 10.Re1)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 f1e1

{C83   Ruy Lopez: open, Tarrasch trap}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f6e4 d2d4 b7b5 a4b3 d7d5 d4e5 c8e6 c2c3 f8e7 f1e1 e8g8 f3d4 d8d7 d4e6 f7e6 e1e4

{C88   Ruy Lopez: closed}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3

{C88   Ruy Lopez: closed, Leonhardt variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 c2c3 c6a5 b3c2 c7c5 d2d4 d8c7 h2h3 a5c6 d4d5 c6b8 b1d2 g7g5

{C88   Ruy Lopez: Noah's ark trap}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 d7d6 d2d4 c6d4 f3d4 e5d4 d1d4 c7c5

{C89   Ruy Lopez: Marshall, main line (12.d4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d5 e4d5 f6d5 f3e5 c6e5 e1e5 c7c6 d2d4

{C90   Ruy Lopez: closed, Lutikov variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 b3c2

{C95   Ruy Lopez: closed, Breyer (10.d4)}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4

{C95   Ruy Lopez: closed, Breyer, Simagin variation}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6b8 d2d4 b8d7 f3h4

{C96   Ruy Lopez: closed, Rossolimo defence}e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8e7 f1e1 b7b5 a4b3 e8g8 c2c3 d7d6 h2h3 c6a5 b3c2 c7c6 d2d4 d8c7

{D00   Blackmar gambit}d2d4 d7d5 e2e4

{D00   Blackmar-Diemer gambit}d2d4 d7d5 b1c3 g8f6 e2e4

{D00   Blackmar-Diemer: Lemberg counter-gambit}d2d4 d7d5 b1c3 g8f6 e2e4 e7e5

{D00   Queen's pawn: Anti-Veresov}d2d4 d7d5 b1c3 c8g4

{D00/07   Blackmar-Diemer: Huebsch gambit}d2d4 d7d5 b1c3 g8f6 e2e4 f6e4

{D06   Queen's gambit}d2d4 d7d5 c2c4

{D08   QGD: Albin counter-gambit, Janowski variation}d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2 f7f6

{D08   QGD: Albin counter-gambit, Balogh variation}d2d4 d7d5 c2c4 e7e5 d4e5 d5d4 g1f3 b8c6 b1d2 d8e7

{D12   QGD Slav: Amsterdam variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 e2e3 c8f5 c4d5 c6d5 b1c3 e7e6 f3e5 f6d7

{D15   QGD Slav: Suechting variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d8b6

{D16   QGD Slav: Soultanbeieff variation}d2d4 d7d5 c2c4 c7c6 g1f3 g8f6 b1c3 d5c4 a2a4 e7e6

{D20   QGA: Schwartz defence}d2d4 d7d5 c2c4 d5c4 e2e4 f7f5

{D21   QGA: Alekhine defence, Borisenko-Furman variation}d2d4 d7d5 c2c4 d5c4 g1f3 a7a6 e2e4

{D25   QGA: Flohr variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 c8e6

{D25   QGA: Smyslov variation}d2d4 d7d5 c2c4 d5c4 g1f3 g8f6 e2e3 g7g6

{D30   QGD: Spielmann variation}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2 g7g6

{D30   QGD: Stonewall variation}d2d4 d7d5 c2c4 e7e6 g1f3 g8f6 e2e3 c7c6 b1d2 f6e4 f1d3 f7f5

{D31   QGD: Alapin variation}d2d4 d7d5 c2c4 e7e6 b1c3 b7b6

{D31   QGD: Janowski variation}d2d4 d7d5 c2c4 e7e6 b1c3 a7a6

{D31   QGD: semi-Slav, Junge variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c6 g1f3 d5c4 a2a4 f8b4 e2e3 b7b5 c1d2 d8b6

{D32   QGD: Tarrasch defence (4.cd ed)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5

{D32   QGD: Tarrasch defence, Tarrasch gambit}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 d4c5 d5d4 c3a4 b7b5

{D33   QGD: Tarrasch, Schlechter-Rubinstein system, Rey Ardid variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 c5c4 e2e4

{D33   QGD: Tarrasch, Prague variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6

{D34   QGD: Tarrasch, Prague variation (7...Be7)}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7

{D34   QGD: Tarrasch, Stoltz variation}d2d4 d7d5 c2c4 e7e6 b1c3 c7c5 c4d5 e6d5 g1f3 b8c6 g2g3 g8f6 f1g2 f8e7 e1g1 e8g8 c1g5 c8e6 a1c1 b7b6

{D35   QGD: exchange, positional line (5...c6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c4d5 e6d5 c1g5 c7c6

{D40   QGD: semi-Tarrasch, Levenfish variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c5 e2e3 b8c6 f1d3 f8d6 e1g1 e8g8 d1e2 d8e7 d4c5 d6c5 e3e4

{D44   QGD: semi-Slav, anti-Meran, Szabo variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 c1g5 d5c4 e2e4 b7b5 e4e5 h7h6 g5h4 g7g5 f3g5 h6g5 h4g5 b8d7 d1f3

{D49   QGD: semi-Slav, Meran, Sozin variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 g1f3 c7c6 e2e3 b8d7 f1d3 d5c4 d3c4 b7b5 c4d3 a7a6 e3e4 c6c5 e4e5 c5d4 c3b5 d7e5

{D51   QGD: Rochlin variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 b8d7 g1f3 c7c6 a1c1 d8a5 g5d2

{D55   QGD: Neo-orthodox variation (7.Bxf6)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5f6

{D57   QGD: Lasker defence, main line}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 h7h6 g5h4 f6e4 h4e7 d8e7 c4d5 e4c3 b2c3

{D60   QGD: Orthodox defence, Rauzer variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 d1b3

{D64   QGD: Orthodox defence, Rubinstein attack, Karlsbad variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 a7a6

{D64   QGD: Orthodox defence, Rubinstein attack, Wolf variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 d1c2 f6e4

{D67   QGD: Orthodox defence (Bd3 line) Janowski variation}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 h2h4

{D68   QGD: Orthodox defence, classical (13.Qb1, Maroczy)}d2d4 d7d5 c2c4 e7e6 b1c3 g8f6 c1g5 f8e7 e2e3 e8g8 g1f3 b8d7 a1c1 c7c6 f1d3 d5c4 d3c4 f6d5 g5e7 d8e7 e1g1 d5c3 c1c3 e6e5 d1b1

{D80   Gruenfeld: Spike gambit}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g2g4

{D83   Gruenfeld: Gruenfeld gambit, Capablanca variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c1f4 f8g7 e2e3 e8g8 a1c1

{D86   Gruenfeld: exchange, Larsen variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 c4d5 f6d5 e2e4 d5c3 b2c3 f8g7 f1c4 e8g8 g1e2 d8d7 e1g1 b7b6

{D97   Gruenfeld: Russian, Levenfish variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 b7b6

{D99   Gruenfeld defence: Smyslov, Yugoslav variation}d2d4 g8f6 c2c4 g7g6 b1c3 d7d5 g1f3 f8g7 d1b3 d5c4 b3c4 e8g8 e2e4 c8g4 c1e3 f6d7 c4b3 c7c5

{E00   Catalan: Lobron-Morozevich variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 g1f3 f8b4+ c1d2 c7c5

{E01   Catalan: reopened}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 c7c5 g1f3 c5d4 e1g1

{E03   Catalan: open, Alekhine variation}d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 d1a4+ b8d7 a4c4 a7a6 c4c2

{E10   Doery defence}d2d4 g8f6 c2c4 e7e6 g1f3 f6e4

{E15   Queen's Indian: 4.g3 Bb7}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7

{E15   Queen's Indian: Buerger variation}d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 d4d5 e6d5 f3g5

{E20   Nimzo-Indian: Mikenas attack}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1d3

{E21   Nimzo-Indian: three knights, Euwe variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 g1f3 c7c5 d4d5 f6e4

{E23   Nimzo-Indian: Spielmann, San Remo variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6 g1f3 f6e4 c1d2 e4c5

{E23   Nimzo-Indian: Spielmann, Staahlberg variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6 g1f3 f6e4 c1d2 e4c5 b3c2 f7f5 g2g3

{E23   Nimzo-Indian: Spielmann, Karlsbad variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1b3 c7c5 d4c5 b8c6 g1f3 f6e4 c1d2 e4d2

{E24   Nimzo-Indian: Saemisch, Botvinnik variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 a2a3 b4c3+ b2c3 c7c5 f2f3 d7d5 e2e3 e8g8 c4d5 f6d5

{E30   Nimzo-Indian: Leningrad (...b5 gambit)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 c1g5 h7h6 g5h4 c7c5 d4d5 b7b5

{E36   Nimzo-Indian: classical, Noa variation (5.a3)}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 d1c2 d7d5 a2a3

{E50   Nimzo-Indian: 4.e3 O-O, 5.Nf3, without...d5}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3

{E54   Nimzo-Indian: 4.e3, Gligoric system, Smyslov variation}d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1f3 d7d5 f1d3 c7c5 e1g1 d5c4 d3c4 d8e7

{E60   King's Indian: Anti-Gruenfeld}d2d4 g8f6 c2c4 g7g6 d4d5

{E60   Queen's pawn: Mengarini attack}d2d4 g8f6 c2c4 g7g6 d1c2

{E62   King's Indian: fianchetto variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 g1f3 d7d6 g2g3

{E77   King's Indian: six pawns attack}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 d4d5 e7e6 d5e6 f7e6 g2g4 b8c6 h2h4

{E78   King's Indian: four pawns attack (with Be2 & Nf3)}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f4 e8g8 f1e2 c7c5 g1f3

{E83   King's Indian: Saemisch, Zaitsev variation}d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 b8c6 g1e2 a8b8