------------------------------------ A00 ------------------------------------A00 Polish (Sokolsky) opening1.b2b4 A00 Polish: Tuebingen variation 1.b2b4 g8h6 A00 Polish: Outflank variation 1.b2b4 c7c6A00 Benko's opening1.g2g3 A00 Lasker simul special 1.g2g3 h7h5 A00 Benko's opening: reversed Alekhine 1.g2g3 e7e5 g1f3A00 Grob's attack1.g2g4 A00 Grob: spike attack 1.g2g4 d7d5 f1g2 c7c6 g4g5 A00 Grob: Fritz gambit 1.g2g4 d7d5 f1g2 c8g4 c2c4 A00 Grob: Romford counter-gambit 1.g2g4 d7d5 f1g2 c8g4 c2c4 d5d4A00 Clemenz (Mead's, Basman's or de Klerk's) opening1.h2h3 A00 Global opening 1.h2h3 e7e5 a2a3A00 Amar (Paris) opening1.g1h3 A00 Amar gambit 1.g1h3 d7d5 g2g3 e7e5 f2f4 c8h3 f1h3 e5f4A00 Dunst (Sleipner, Heinrichsen) opening1.b1c3 A00 Dunst (Sleipner,Heinrichsen) opening 1.b1c3 e7e5 A00 Battambang opening 1.b1c3 e7e5 a2a3 A00 Novosibirsk opening 1.b1c3 c7c5 d2d4 c5d4 d1d4 b8c6 d4h4A00 Anderssen's opening1.a2a3A00 Ware (Meadow Hay) opening1.a2a4 A00 Crab opening 1.a2a4 e7e5 h2h4A00 Saragossa opening1.c2c3A00 Mieses opening1.d2d3 A00 Mieses opening 1.d2d3 e7e5 A00 Valencia opening 1.d2d3 e7e5 b1d2 A00 Venezolana opening 1.d2d3 c7c5 b1c3 b8c6 g2g3A00 Van't Kruijs opening1.e2e3 A00 Amsterdam attack 1.e2e3 e7e5 c2c4 d7d6 b1c3 b8c6 b2b3 g8f6A00 Gedult's opening1.f2f3 A00 Hammerschlag (Fried fox/Pork chop opening) 1.f2f3 e7e5 e1f2A00 Anti-Borg (Desprez) opening1.h2h4A00 Durkin's attack1.b1a3

------------------------------------ A01 ------------------------------------A01 Nimzovich-Larsen attack1.b2b3 A01 Nimzovich-Larsen attack: modern variation 1.b2b3 e7e5 A01 Nimzovich-Larsen attack: Indian variation 1.b2b3 g8f6 A01 Nimzovich-Larsen attack: classical variation 1.b2b3 d7d5

A01 Nimzovich-Larsen attack: English variation 1.b2b3 c7c5 A01 Nimzovich-Larsen attack: Dutch variation 1.b2b3 f7f5 A01 Nimzovich-Larsen attack: Polish variation 1.b2b3 b7b5 A01 Nimzovich-Larsen attack: symmetrical variation 1.b2b3 b7b6

------------------------------------ A02 ------------------------------------A02 Bird's opening1.f2f4 A02 Bird: From gambit 1.f2f4 e7e5 A02 Bird: From gambit, Lasker variation 1.f2f4 e7e5 f4e5 d7d6 e5d6 f8d6 g1f3 g7g5 A02 Bird: From gambit, Lipke variation 1.f2f4 e7e5 f4e5 d7d6 e5d6 f8d6 g1f3 g8h6 d2d4 A02 Bird's opening, Swiss gambit 1.f2f4 f7f5 e2e4 f5e4 b1c3 g8f6 g2g4 A02 Bird: Hobbs gambit 1.f2f4 g7g5

------------------------------------ A03 ------------------------------------A03 Bird's opening1.f2f4 d7d5 A03 Mujannah opening 1.f2f4 d7d5 c2c4 A03 Bird's opening: Williams gambit 1.f2f4 d7d5 e2e4 A03 Bird's opening: Lasker variation 1.f2f4 d7d5 g1f3 g8f6 e2e3 c7c5

------------------------------------ A04 ------------------------------------A04 Reti opening1.g1f3 A04 Reti v Dutch 1.g1f3 f7f5 A04 Reti: Pirc-Lisitsin gambit 1.g1f3 f7f5 e2e4 A04 Reti: Lisitsin gambit deferred 1.g1f3 f7f5 d2d3 g8f6 e2e4 A04 Reti opening 1.g1f3 d7d6 A04 Reti: Wade defence 1.g1f3 d7d6 e2e4 c8g4 A04 Reti: Herrstroem gambit 1.g1f3 g7g5

------------------------------------ A05 ------------------------------------A05 Reti opening1.g1f3 g8f6 A05 Reti: King's Indian attack, Spassky's variation 1.g1f3 g8f6 g2g3 b7b5 A05 Reti: King's Indian attack 1.g1f3 g8f6 g2g3 g7g6 A05 Reti: King's Indian attack, Reti-Smyslov variation 1.g1f3 g8f6 g2g3 g7g6 b2b4

------------------------------------ A06 ------------------------------------A06 Reti opening1.g1f3 d7d5 A06 Reti: old Indian attack 1.g1f3 d7d5 d2d3 A06 Santasiere's folly 1.g1f3 d7d5 b2b4 A06 Tennison (Lemberg, Zukertort) gambit 1.g1f3 d7d5 e2e4 A06 Reti: Nimzovich-Larsen attack 1.g1f3 d7d5 b2b3

------------------------------------ A07 ------------------------------------A07 Reti: King's Indian attack (Barcza system)1.g1f3 d7d5 g2g3 A07 Reti: King's Indian attack, Yugoslav variation 1.g1f3 d7d5 g2g3 g8f6 f1g2 c7c6 e1g1 c8g4

A07 Reti: King's Indian attack, Keres variation 1.g1f3 d7d5 g2g3 c8g4 f1g2 b8d7 A07 Reti: King's Indian attack 1.g1f3 d7d5 g2g3 g7g6 A07 Reti: King's Indian attack, Pachman system 1.g1f3 d7d5 g2g3 g7g6 f1g2 f8g7 e1g1 e7e5 d2d3 g8e7 A07 Reti: King's Indian attack (with ...c5) 1.g1f3 d7d5 g2g3 c7c5

------------------------------------ A08 ------------------------------------A08 Reti: King's Indian attack1.g1f3 d7d5 g2g3 c7c5 f1g2 A08 Reti: King's Indian attack, French variation 1.g1f3 d7d5 g2g3 c7c5 f1g2 b8c6 e1g1 e7e6 d2d3 g8f6 b1d2 f8e7

e2e4 e8g8 f1e1

------------------------------------ A09 ------------------------------------A09 Reti opening1.g1f3 d7d5 c2c4 A09 Reti: advance variation 1.g1f3 d7d5 c2c4 d5d4 A09 Reti accepted 1.g1f3 d7d5 c2c4 d5c4 A09 Reti accepted: Keres variation 1.g1f3 d7d5 c2c4 d5c4 e2e3 c8e6

------------------------------------ A10 ------------------------------------A10 English opening1.c2c4 A10 English opening 1.c2c4 g7g6 A10 English: Adorjan defence 1.c2c4 g7g6 e2e4 e7e5 A10 English: Jaenisch gambit 1.c2c4 b7b5 A10 English: Anglo-Dutch defense 1.c2c4 f7f5

------------------------------------ A11 ------------------------------------A11 English: Caro-Kann defensive system1.c2c4 c7c6

------------------------------------ A12 ------------------------------------A12 English: Caro-Kann defensive system1.c2c4 c7c6 g1f3 d7d5 b2b3 A12 English: Torre defensive system 1.c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 g2g3 c8g4 A12 English: London defensive system 1.c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 g2g3 c8f5 A12 English: Caro-Kann defensive system 1.c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 A12 English: Bled variation 1.c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 g7g6 A12 English: New York (London) defensive system 1.c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 c8f5 A12 English: Capablanca's variation 1.c2c4 c7c6 g1f3 d7d5 b2b3 g8f6 c1b2 c8g4 A12 English: Caro-Kann defensive system, Bogolyubov variation 1.c2c4 c7c6 g1f3 d7d5 b2b3 c8g4

------------------------------------ A13 ------------------------------------A13 English opening1.c2c4 e7e6 A13 English: Romanishin gambit 1.c2c4 e7e6 g1f3 g8f6 g2g3 a7a6 f1g2 b7b5 A13 English opening: Agincourt variation 1.c2c4 e7e6 g1f3 d7d5 A13 English: Wimpey system 1.c2c4 e7e6 g1f3 d7d5 b2b3 g8f6 c1b2 c7c5 e2e3 A13 English opening: Agincourt variation 1.c2c4 e7e6 g1f3 d7d5 g2g3 A13 English: Kurajica defence 1.c2c4 e7e6 g1f3 d7d5 g2g3 c7c6 A13 English: Neo-Catalan 1.c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 A13 English: Neo-Catalan accepted

1.c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 d5c4

------------------------------------ A14 ------------------------------------A14 English: Neo-Catalan declined1.c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 f8e7 e1g1 A14 English: Symmetrical, Keres defence 1.c2c4 e7e6 g1f3 d7d5 g2g3 g8f6 f1g2 f8e7 e1g1 c7c5 c4d5 f6d5 b1c3

b8c6

------------------------------------ A15 ------------------------------------A15 English, 1...Nf6 (Anglo-Indian defense)1.c2c4 g8f6 A15 English orang-utan 1.c2c4 g8f6 b2b4 A15 English opening 1.c2c4 g8f6 g1f3

------------------------------------ A16 ------------------------------------A16 English opening1.c2c4 g8f6 b1c3 A16 English: Anglo-Gruenfeld defense 1.c2c4 g8f6 b1c3 d7d5 A16 English: Anglo-Gruenfeld, Smyslov defense 1.c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 g7g6 f1g2 d5c3 A16 English: Anglo-Gruenfeld, Czech defense 1.c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 g7g6 f1g2 d5b6 A16 English: Anglo-Gruenfeld defense 1.c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g1f3 A16 English: Anglo-Gruenfeld defense, Korchnoi variation 1.c2c4 g8f6 b1c3 d7d5 c4d5 f6d5 g1f3 g7g6 g2g3 f8g7 f1g2 e7e5

------------------------------------ A17 ------------------------------------A17 English opening1.c2c4 g8f6 b1c3 e7e6 A17 English: Queens Indian formation 1.c2c4 g8f6 b1c3 e7e6 g1f3 b7b6 A17 English: Queens Indian, Romanishin variation 1.c2c4 g8f6 b1c3 e7e6 g1f3 b7b6 e2e4 c8b7 f1d3 A17 English: Nimzo-English opening 1.c2c4 g8f6 b1c3 e7e6 g1f3 f8b4

------------------------------------ A18 ------------------------------------A18 English: Mikenas-Carls variation1.c2c4 g8f6 b1c3 e7e6 e2e4 A18 English: Mikenas-Carls, Flohr variation 1.c2c4 g8f6 b1c3 e7e6 e2e4 d7d5 e4e5 A18 English: Mikenas-Carls, Kevitz variation 1.c2c4 g8f6 b1c3 e7e6 e2e4 b8c6

------------------------------------ A19 ------------------------------------A19 English: Mikenas-Carls, Sicilian variation1.c2c4 g8f6 b1c3 e7e6 e2e4 c7c5

------------------------------------ A20 ------------------------------------A20 English opening1.c2c4 e7e5 A20 English, Nimzovich variation 1.c2c4 e7e5 g1f3 A20 English, Nimzovich, Flohr variation 1.c2c4 e7e5 g1f3 e5e4

------------------------------------ A21 ------------------------------------A21 English opening1.c2c4 e7e5 b1c3 A21 English, Troeger defence 1.c2c4 e7e5 b1c3 d7d6 g2g3 c8e6 f1g2 b8c6 A21 English, Keres variation 1.c2c4 e7e5 b1c3 d7d6 g2g3 c7c6 A21 English opening 1.c2c4 e7e5 b1c3 d7d6 g1f3 A21 English, Smyslov defence 1.c2c4 e7e5 b1c3 d7d6 g1f3 c8g4 A21 English, Kramnik-Shirov counterattack 1.c2c4 e7e5 b1c3 f8b4

------------------------------------ A22 ------------------------------------A22 English opening1.c2c4 e7e5 b1c3 g8f6 A22 English: Bellon gambit 1.c2c4 e7e5 b1c3 g8f6 g1f3 e5e4 f3g5 b7b5 A22 English: Carls' Bremen system 1.c2c4 e7e5 b1c3 g8f6 g2g3 A22 English: Bremen, reverse dragon 1.c2c4 e7e5 b1c3 g8f6 g2g3 d7d5 A22 English: Bremen, Smyslov system 1.c2c4 e7e5 b1c3 g8f6 g2g3 f8b4

------------------------------------ A23 ------------------------------------A23 English: Bremen system, Keres variation1.c2c4 e7e5 b1c3 g8f6 g2g3 c7c6

------------------------------------ A24 ------------------------------------A24 English: Bremen system with ...g61.c2c4 e7e5 b1c3 g8f6 g2g3 g7g6

------------------------------------ A25 ------------------------------------A25 English: Sicilian reversed1.c2c4 e7e5 b1c3 b8c6 A25 English: closed system 1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 A25 English: closed, Taimanov variation 1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 d7d6 g1e2 g8h6 A25 English: closed, Hort variation 1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 d7d6 g1e2 c8e6 A25 English: closed, 5.Rb1 1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 a1b1 A25 English: closed, 5.Rb1 Taimanov variation 1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 a1b1 g8h6 A25 English: closed system (without ...d6) 1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3

------------------------------------ A26 ------------------------------------A26 English: closed system1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 A26 English: Botvinnik system 1.c2c4 e7e5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 e2e4

------------------------------------ A27 ------------------------------------A27 English: three knights system1.c2c4 e7e5 b1c3 b8c6 g1f3

------------------------------------ A28 ------------------------------------A28 English: four knights system1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 A28 English: Nenarokov variation 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d4 e5d4 f3d4 f8b4 c1g5 h7h6 g5h4 b4c3 b2c3 c6e5 A28 English: Bradley Beach variation 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d4 e5e4 A28 English: four knights, Nimzovich variation 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e4 A28 English: four knights, Marini variation 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 a2a3 A28 English: four knights, Capablanca variation 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 d2d3 A28 English: four knights, 4.e3 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3 A28 English: four knights, Stean variation 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3 f8b4 d1c2 e8g8 c3d5 f8e8 c2f5 A28 English: four knights, Romanishin variation 1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 e2e3 f8b4 d1c2 b4c3

------------------------------------ A29 ------------------------------------A29 English: four knights, kingside fianchetto1.c2c4 e7e5 b1c3 b8c6 g1f3 g8f6 g2g3

------------------------------------ A30 ------------------------------------A30 English: symmetrical variation1.c2c4 c7c5 A30 English: symmetrical, hedgehog system 1.c2c4 c7c5 g1f3 g8f6 g2g3 b7b6 f1g2 c8b7 e1g1 e7e6 b1c3 f8e7

A30 English: symmetrical, hedgehog, flexible formation 1.c2c4 c7c5 g1f3 g8f6 g2g3 b7b6 f1g2 c8b7 e1g1 e7e6 b1c3 f8e7

d2d4 c5d4 d1d4 d7d6 f1d1 a7a6 b2b3 b8d7

------------------------------------ A31 ------------------------------------A31 English: symmetrical, Benoni formation1.c2c4 c7c5 g1f3 g8f6 d2d4

------------------------------------ A32 ------------------------------------A32 English: symmetrical variation1.c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6

------------------------------------ A33 ------------------------------------A33 English: symmetrical variation1.c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6 b1c3 b8c6 A33 English: symmetrical, Geller variation 1.c2c4 c7c5 g1f3 g8f6 d2d4 c5d4 f3d4 e7e6 b1c3 b8c6 g2g3 d8b6

------------------------------------ A34 ------------------------------------A34 English: symmetrical variation1.c2c4 c7c5 b1c3 A34 English: symmetrical, three knights system 1.c2c4 c7c5 b1c3 g8f6 g1f3 d7d5 c4d5 f6d5 A34 English: symmetrical variation 1.c2c4 c7c5 b1c3 g8f6 g2g3 A34 English: symmetrical, Rubinstein system 1.c2c4 c7c5 b1c3 g8f6 g2g3 d7d5 c4d5 f6d5 f1g2 d5c7

------------------------------------ A35 ------------------------------------A35 English: symmetrical variation1.c2c4 c7c5 b1c3 b8c6 A35 English: symmetrical, four knights system 1.c2c4 c7c5 b1c3 b8c6 g1f3 g8f6

------------------------------------ A36 ------------------------------------A36 English: symmetrical variation1.c2c4 c7c5 b1c3 b8c6 g2g3 A36 English: ultra-symmetrical variation 1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 A36 English: symmetrical, Botvinnik system reversed 1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 e7e5 A36 English: symmetrical, Botvinnik system 1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e4

------------------------------------ A37 ------------------------------------A37 English: symmetrical variation1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 A37 English: symmetrical, Botvinnik system reversed 1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 e7e5

------------------------------------ A38 ------------------------------------A38 English: symmetrical variation1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 A38 English: symmetrical, main line with d3 1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8

d2d3 A38 English: symmetrical, main line with b3 1.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8

b2b3

------------------------------------ A39 ------------------------------------A39 English: symmetrical, main line with d41.c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 d2d4

------------------------------------ A40 ------------------------------------A40 Queen's pawn1.d2d4 A40 Queen's pawn: Lundin (Kevitz-Mikenas) defence 1.d2d4 b8c6 A40 Queen's pawn: Charlick (Englund) gambit 1.d2d4 e7e5 A40 Queen's pawn: Englund gambit 1.d2d4 e7e5 d4e5 b8c6 g1f3 d8e7 d1d5 f7f6 e5f6 g8f6 A40 Queen's pawn: English defence 1.d2d4 b7b6

A40 Polish defence 1.d2d4 b7b5 A40 Queen's pawn 1.d2d4 e7e6 A40 Queen's pawn: Keres defence 1.d2d4 e7e6 c2c4 b7b6 A40 Queen's pawn: Franco-Indian (Keres) defence 1.d2d4 e7e6 c2c4 f8b4 A40 Modern defence 1.d2d4 g7g6 A40 Beefeater defence 1.d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 g7c3 b2c3 f7f5

------------------------------------ A41 ------------------------------------A41 Queen's Pawn1.d2d4 d7d6 A41 Old Indian: Tartakower (Wade) variation 1.d2d4 d7d6 g1f3 c8g4 A41 Old Indian defence 1.d2d4 d7d6 c2c4 A41 Modern defence 1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 A41 Robatsch defence: Rossolimo variation 1.e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c4 c8g4

------------------------------------ A42 ------------------------------------A42 Modern defence: Averbakh system1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 A42 Pterodactyl defence 1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 c7c5 g1f3 d8a5 A42 Modern defence: Averbakh system, Randspringer variation 1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 f7f5 A42 Modern defence: Averbakh system, Kotov variation 1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 b8c6

------------------------------------ A43 ------------------------------------A43 Old Benoni defence1.d2d4 c7c5 A43 Old Benoni: Franco-Benoni defence 1.d2d4 c7c5 d4d5 e7e6 e2e4 A43 Old Benoni: Mujannah formation 1.d2d4 c7c5 d4d5 f7f5 A43 Old Benoni defence 1.d2d4 c7c5 d4d5 g8f6 A43 Woozle defence 1.d2d4 c7c5 d4d5 g8f6 b1c3 d8a5 A43 Old Benoni defence 1.d2d4 c7c5 d4d5 g8f6 g1f3 A43 Hawk (Habichd) defence 1.d2d4 c7c5 d4d5 g8f6 g1f3 c5c4 A43 Old Benoni defence 1.d2d4 c7c5 d4d5 d7d6 A43 Old Benoni: Schmid's system 1.d2d4 c7c5 d4d5 d7d6 b1c3 g7g6

------------------------------------ A44 ------------------------------------A44 Old Benoni defence1.d2d4 c7c5 d4d5 e7e5 A44 Semi-Benoni (`blockade variation') 1.d2d4 c7c5 d4d5 e7e5 e2e4 d7d6

------------------------------------ A45 ------------------------------------A45 Queen's pawn game1.d2d4 g8f6 A45 Queen's pawn: Bronstein gambit 1.d2d4 g8f6 g2g4 A45 Canard opening 1.d2d4 g8f6 f2f4 A45 Paleface attack 1.d2d4 g8f6 f2f3 A45 Blackmar-Diemer gambit 1.d2d4 g8f6 f2f3 d7d5 e2e4 A45 Gedult attack 1.d2d4 g8f6 f2f3 d7d5 g2g4 A45 Trompovsky attack (Ruth, Opovcensky opening) 1.d2d4 g8f6 c1g5

------------------------------------ A46 ------------------------------------A46 Queen's pawn game1.d2d4 g8f6 g1f3 A46 Queen's pawn: Torre attack 1.d2d4 g8f6 g1f3 e7e6 c1g5 A46 Queen's pawn: Torre attack, Wagner gambit 1.d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e4 A46 Queen's pawn: Yusupov-Rubinstein system 1.d2d4 g8f6 g1f3 e7e6 e2e3 A46 Doery defence 1.d2d4 g8f6 g1f3 f6e4

------------------------------------ A47 ------------------------------------A47 Queen's Indian defence1.d2d4 g8f6 g1f3 b7b6 A47 Queen's Indian: Marienbad system 1.d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 A47 Queen's Indian: Marienbad system, Berg variation 1.d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 c2c4 c5d4 d1d4

------------------------------------ A48 ------------------------------------A48 King's Indian: East Indian defence1.d2d4 g8f6 g1f3 g7g6 A48 King's Indian: Torre attack 1.d2d4 g8f6 g1f3 g7g6 c1g5 A48 King's Indian: London system 1.d2d4 g8f6 g1f3 g7g6 c1f4

------------------------------------ A49 ------------------------------------A49 King's Indian: fianchetto without c41.d2d4 g8f6 g1f3 g7g6 g2g3

------------------------------------ A50 ------------------------------------A50 Queen's pawn game1.d2d4 g8f6 c2c4 A50 Kevitz-Trajkovich defence 1.d2d4 g8f6 c2c4 b8c6 A50 Queen's Indian accelerated 1.d2d4 g8f6 c2c4 b7b6

------------------------------------ A51 ------------------------------------A51 Budapest defence declined1.d2d4 g8f6 c2c4 e7e5 A51 Budapest: Fajarowicz variation 1.d2d4 g8f6 c2c4 e7e5 d4e5 f6e4 A51 Budapest: Fajarowicz, Steiner variation 1.d2d4 g8f6 c2c4 e7e5 d4e5 f6e4 d1c2

------------------------------------ A52 ------------------------------------A52 Budapest defence1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 A52 Budapest: Adler variation 1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 g1f3 A52 Budapest: Rubinstein variation 1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 c1f4 A52 Budapest: Alekhine variation 1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 A52 Budapest: Alekhine, Abonyi variation 1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 g4e5 f2f4 e5c6 A52 Budapest: Alekhine variation, Balogh gambit 1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 d7d6

------------------------------------ A53 ------------------------------------A53 Old Indian defence1.d2d4 g8f6 c2c4 d7d6 A53 Old Indian: Janowski variation 1.d2d4 g8f6 c2c4 d7d6 b1c3 c8f5

------------------------------------ A54 ------------------------------------A54 Old Indian: Ukrainian variation1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 A54 Old Indian: Dus-Khotimirsky variation 1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 e2e3 b8d7 f1d3 A54 Old Indian: Ukrainian variation, 4.Nf3 1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3

------------------------------------ A55 ------------------------------------A55 Old Indian: main line1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3 b8d7 e2e4

------------------------------------ A56 ------------------------------------A56 Benoni defence1.d2d4 g8f6 c2c4 c7c5 A56 Benoni defence, Hromodka system 1.d2d4 g8f6 c2c4 c7c5 d4d5 d7d6 A56 Vulture defence 1.d2d4 g8f6 c2c4 c7c5 d4d5 f6e4 A56 Czech Benoni defence 1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 A56 Czech Benoni: King's Indian system 1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 b1c3 d7d6 e2e4 g7g6

------------------------------------ A57 ------------------------------------A57 Benko gambit1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 A57 Benko gambit half accepted 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 A57 Benko gambit: Zaitsev system 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3 A57 Benko gambit: Nescafe Frappe attack 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3 a6b5 e2e4

b5b4 c3b5 d7d6 f1c4

------------------------------------ A58 ------------------------------------A58 Benko gambit accepted1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 A58 Benko gambit: Nd2 variation 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6

g1f3 g7g6 f3d2 A58 Benko gambit: fianchetto variation 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6

g1f3 g7g6 g2g3

------------------------------------ A59 ------------------------------------A59 Benko gambit: 7.e41.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 A59 Benko gambit: Ne2 variation 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6

e2e4 a6f1 e1f1 g7g6 g1e2 A59 Benko gambit 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6

e2e4 a6f1 e1f1 g7g6 g2g3 A59 Benko gambit: main line 1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1 e1f1 g7g6 g2g3 f8g7 f1g2 e8g8 g1f3

------------------------------------ A60 ------------------------------------A60 Benoni defence1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6

------------------------------------ A61 ------------------------------------A61 Benoni defence1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 A61 Benoni: Uhlmann variation 1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6

c1g5 A61 Benoni: Nimzovich (knight's tour) variation 1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6

f3d2 A61 Benoni: fianchetto variation 1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6

g2g3

------------------------------------ A62 ------------------------------------A62 Benoni: fianchetto variation1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3

f8g7 f1g2 e8g8

------------------------------------ A63 ------------------------------------A63 Benoni: fianchetto, 9...Nbd71.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3

f8g7 f1g2 e8g8 e1g1 b8d7

------------------------------------ A64 ------------------------------------A64 Benoni: fianchetto, 11...Re81.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 g1f3 g7g6 g2g3

f8g7 f1g2 e8g8 e1g1 b8d7 f3d2 a7a6 a2a4 f8e8

------------------------------------ A65 ------------------------------------A65 Benoni: 6.e41.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4

------------------------------------ A66 ------------------------------------A66 Benoni: pawn storm variation1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4 A66 Benoni: Mikenas variation 1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6

f2f4 f8g7 e4e5

------------------------------------ A67 ------------------------------------A67 Benoni: Taimanov variation1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4

f8g7 f1b5

------------------------------------ A68 ------------------------------------A68 Benoni: four pawns attack1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4

f8g7 g1f3 e8g8

------------------------------------ A69 ------------------------------------A69 Benoni: four pawns attack, main line1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 f2f4

f8g7 g1f3 e8g8 f1e2 f8e8

------------------------------------ A70 ------------------------------------A70 Benoni: classical with e4 and Nf31.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3 A70 Benoni: classical without 9.O-O 1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6

g1f3 f8g7 f1e2

------------------------------------ A71 ------------------------------------A71 Benoni: classical, 8.Bg51.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 c1g5

------------------------------------ A72 ------------------------------------A72 Benoni: classical without 9.O-O1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8

------------------------------------ A73 ------------------------------------A73 Benoni: classical, 9.O-O1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8 e1g1

------------------------------------ A74 ------------------------------------A74 Benoni: classical, 9...a6, 10.a41.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8 e1g1 a7a6 a2a4

------------------------------------ A75 ------------------------------------A75 Benoni: classical with ...a6 and 10...Bg41.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8 e1g1 a7a6 a2a4 c8g4

------------------------------------ A76 ------------------------------------A76 Benoni: classical, 9...Re81.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8 e1g1 f8e8

------------------------------------ A77 ------------------------------------A77 Benoni: classical, 9...Re8, 10.Nd21.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8 e1g1 f8e8 f3d2

------------------------------------ A78 ------------------------------------A78 Benoni: classical with ...Re8 and ...Na61.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8 e1g1 f8e8 f3d2 b8a6

------------------------------------ A79 ------------------------------------A79 Benoni: classical, 11.f31.d2d4 g8f6 c2c4 c7c5 d4d5 e7e6 b1c3 e6d5 c4d5 d7d6 e2e4 g7g6 g1f3

f8g7 f1e2 e8g8 e1g1 f8e8 f3d2 b8a6 f2f3

------------------------------------ A80 ------------------------------------A80 Dutch1.d2d4 f7f5 A80 Dutch, Spielmann gambit 1.d2d4 f7f5 b1c3 g8f6 g2g4 A80 Dutch, Manhattan (Alapin, Ulvestad) variation 1.d2d4 f7f5 d1d3 A80 Dutch, Von Pretzel gambit 1.d2d4 f7f5 d1d3 e7e6 g2g4 A80 Dutch, Korchnoi attack 1.d2d4 f7f5 h2h3 A80 Dutch, Krejcik gambit 1.d2d4 f7f5 g2g4 A80 Dutch, 2.Bg5 variation 1.d2d4 f7f5 c1g5

------------------------------------ A81 ------------------------------------A81 Dutch defence1.d2d4 f7f5 g2g3 A81 Dutch defence, Blackburne variation 1.d2d4 f7f5 g2g3 g8f6 f1g2 e7e6 g1h3 A81 Dutch defence 1.d2d4 f7f5 g2g3 g8f6 f1g2 g7g6 A81 Dutch: Leningrad, Basman system 1.d2d4 f7f5 g2g3 g7g6 f1g2 f8g7 g1f3 c7c6 e1g1 g8h6 A81 Dutch: Leningrad, Karlsbad variation 1.d2d4 f7f5 g2g3 g7g6 f1g2 f8g7 g1h3

------------------------------------ A82 ------------------------------------A82 Dutch: Staunton gambit1.d2d4 f7f5 e2e4 A82 Dutch: Balogh defence 1.d2d4 f7f5 e2e4 d7d6 A82 Dutch: Staunton gambit 1.d2d4 f7f5 e2e4 f5e4 A82 Dutch: Staunton gambit, Tartakower variation 1.d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 g2g4

------------------------------------ A83 ------------------------------------A83 Dutch: Staunton gambit, Staunton's line1.d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 A83 Dutch: Staunton gambit, Alekhine variation 1.d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 g7g6 h2h4 A83 Dutch: Staunton gambit, Lasker variation 1.d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 g7g6 f2f3 A83 Dutch: Staunton gambit, Chigorin variation 1.d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 c7c6 A83 Dutch: Staunton gambit, Nimzovich variation 1.d2d4 f7f5 e2e4 f5e4 b1c3 g8f6 c1g5 b7b6

------------------------------------ A84 ------------------------------------A84 Dutch defence1.d2d4 f7f5 c2c4 A84 Dutch defence: Bladel variation 1.d2d4 f7f5 c2c4 g7g6 b1c3 g8h6 A84 Dutch defence 1.d2d4 f7f5 c2c4 e7e6 A84 Dutch defence, Rubinstein variation 1.d2d4 f7f5 c2c4 e7e6 b1c3 A84 Dutch: Staunton gambit deferred 1.d2d4 f7f5 c2c4 e7e6 e2e4 A84 Dutch defence 1.d2d4 f7f5 c2c4 g8f6

------------------------------------ A85 ------------------------------------A85 Dutch with c4 & Nc31.d2d4 f7f5 c2c4 g8f6 b1c3

------------------------------------ A86 ------------------------------------A86 Dutch with c4 & g31.d2d4 f7f5 c2c4 g8f6 g2g3 A86 Dutch: Hort-Antoshin system 1.d2d4 f7f5 c2c4 g8f6 g2g3 d7d6 f1g2 c7c6 b1c3 d8c7 A86 Dutch: Leningrad variation 1.d2d4 f7f5 c2c4 g8f6 g2g3 g7g6

------------------------------------ A87 ------------------------------------A87 Dutch: Leningrad, main variation1.d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3

------------------------------------ A88 ------------------------------------A88 Dutch: Leningrad, main variation with c61.d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 d7d6 b1c3

c7c6

------------------------------------ A89 ------------------------------------A89 Dutch: Leningrad, main variation with Nc61.d2d4 f7f5 c2c4 g8f6 g2g3 g7g6 f1g2 f8g7 g1f3 e8g8 e1g1 d7d6 b1c3

b8c6

------------------------------------ A90 ------------------------------------A90 Dutch defence1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 A90 Dutch defence: Dutch-Indian (Nimzo-Dutch) variation 1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8b4 A90 Dutch-Indian, Alekhine variation 1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8b4 c1d2 b4e7

------------------------------------ A91 ------------------------------------A91 Dutch defence1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7

------------------------------------ A92 ------------------------------------A92 Dutch defence1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 A92 Dutch defence, Alekhine variation 1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 f6e4 A92 Dutch: stonewall variation 1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 A92 Dutch: stonewall with Nc3 1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5

b1c3

------------------------------------ A93 ------------------------------------A93 Dutch: stonewall, Botwinnik variation1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b2b3

------------------------------------ A94 ------------------------------------A94 Dutch: stonewall with Ba31.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b2b3

c7c6 c1a3

------------------------------------ A95 ------------------------------------A95 Dutch: stonewall with Nc31.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b1c3

c7c6 A95 Dutch: stonewall: Chekhover variation 1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d5 b1c3

c7c6 d1c2 d8e8 c1g5

------------------------------------ A96 ------------------------------------A96 Dutch: classical variation1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6

------------------------------------ A97 ------------------------------------A97 Dutch: Ilyin-Genevsky variation1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3

d8e8 A97 Dutch: Ilyin-Genevsky, Winter variation 1.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3

d8e8 f1e1

------------------------------------ A98 ------------------------------------A98 Dutch: Ilyin-Genevsky variation with Qc21.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3

d8e8 d1c2

------------------------------------ A99 ------------------------------------A99 Dutch: Ilyin-Genevsky variation with b31.d2d4 f7f5 c2c4 g8f6 g2g3 e7e6 f1g2 f8e7 g1f3 e8g8 e1g1 d7d6 b1c3

d8e8 b2b3

------------------------------------ B00 ------------------------------------B00 King's pawn opening1.e2e4 B00 Hippopotamus defence 1.e2e4 g8h6 d2d4 g7g6 c2c4 f7f6 B00 Corn stalk defence 1.e2e4 a7a5 B00 Lemming defence 1.e2e4 b8a6 B00 Fred 1.e2e4 f7f5 B00 Barnes defence 1.e2e4 f7f6 B00 Fried fox defence 1.e2e4 f7f6 d2d4 e8f7 B00 Carr's defence 1.e2e4 h7h6 B00 Reversed Grob (Borg/Basman defence/macho Grob) 1.e2e4 g7g5 B00 St. George (Baker) defence 1.e2e4 a7a6 B00 Owen defence 1.e2e4 b7b6 B00 Guatemala defence 1.e2e4 b7b6 d2d4 c8a6 B00 KP: Nimzovich defence 1.e2e4 b8c6 B00 KP: Nimzovich defence, Wheeler gambit 1.e2e4 b8c6 b2b4 c6b4 c2c3 b4c6 d2d4 B00 KP: Nimzovich defence 1.e2e4 b8c6 g1f3 B00 KP: Colorado counter 1.e2e4 b8c6 g1f3 f7f5 B00 KP: Nimzovich defence 1.e2e4 b8c6 d2d4 B00 KP: Nimzovich defence, Marshall gambit 1.e2e4 b8c6 d2d4 d7d5 e4d5 d8d5 b1c3 B00 KP: Nimzovich defence, Bogolyubov variation 1.e2e4 b8c6 d2d4 d7d5 b1c3 B00 KP: Neo-Mongoloid defence 1.e2e4 b8c6 d2d4 f7f6

------------------------------------ B01 ------------------------------------B01 Scandinavian (centre counter) defence1.e2e4 d7d5

B01 Scandinavian defence, Lasker variation 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8g4 h2h3 B01 Scandinavian defence 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8f5 B01 Scandinavian defence, Gruenfeld variation 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 g8f6 g1f3 c8f5 f3e5 c7c6

g2g4 B01 Scandinavian: Anderssen counter-attack 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 B01 Scandinavian: Anderssen counter-attack orthodox attack 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 d4e5 f8b4 c1d2 b8c6

g1f3

B01 Scandinavian: Anderssen counter-attack, Goteborg system 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 g1f3 B01 Scandinavian: Anderssen counter-attack, Collijn variation 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 d2d4 e7e5 g1f3 c8g4 B01 Scandinavian, Mieses-Kotrvc gambit 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5a5 b2b4 B01 Scandinavian: Pytel-Wade variation 1.e2e4 d7d5 e4d5 d8d5 b1c3 d5d6 B01 Scandinavian defence 1.e2e4 d7d5 e4d5 g8f6 B01 Scandinavian: Icelandic gambit 1.e2e4 d7d5 e4d5 g8f6 c2c4 e7e6 B01 Scandinavian gambit 1.e2e4 d7d5 e4d5 g8f6 c2c4 c7c6 B01 Scandinavian defence 1.e2e4 d7d5 e4d5 g8f6 d2d4 B01 Scandinavian: Marshall variation 1.e2e4 d7d5 e4d5 g8f6 d2d4 f6d5 B01 Scandinavian: Kiel variation 1.e2e4 d7d5 e4d5 g8f6 d2d4 f6d5 c2c4 d5b4 B01 Scandinavian: Richter variation 1.e2e4 d7d5 e4d5 g8f6 d2d4 g7g6

------------------------------------ B02 ------------------------------------B02 Alekhine's defence1.e2e4 g8f6 B02 Alekhine's defence: Scandinavian variation 1.e2e4 g8f6 b1c3 d7d5 B02 Alekhine's defence: Spielmann variation 1.e2e4 g8f6 b1c3 d7d5 e4e5 f6d7 e5e6 B02 Alekhine's defence: Maroczy variation 1.e2e4 g8f6 d2d3 B02 Alekhine's defence: Krejcik variation 1.e2e4 g8f6 f1c4 B02 Alekhine's defence: Mokele Mbembe (Buecker) variation 1.e2e4 g8f6 e4e5 f6e4 B02 Alekhine's defence: Brooklyn defence 1.e2e4 g8f6 e4e5 f6g8 B02 Alekhine's defence 1.e2e4 g8f6 e4e5 f6d5 B02 Alekhine's defence: Kmoch variation 1.e2e4 g8f6 e4e5 f6d5 f1c4 d5b6 c4b3 c7c5 d2d3 B02 Alekhine's defence: Saemisch attack 1.e2e4 g8f6 e4e5 f6d5 b1c3 B02 Alekhine's defence: Welling variation 1.e2e4 g8f6 e4e5 f6d5 b2b3 B02 Alekhine's defence 1.e2e4 g8f6 e4e5 f6d5 c2c4 B02 Alekhine's defence: Steiner variation 1.e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 b2b3 B02 Alekhine's defence: two pawns' (Lasker's) attack 1.e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 c4c5 B02 Alekhine's defence: two pawns' attack, Mikenas variation 1.e2e4 g8f6 e4e5 f6d5 c2c4 d5b6 c4c5 b6d5 f1c4 e7e6 b1c3

d7d6

------------------------------------ B03 ------------------------------------B03 Alekhine's defence1.e2e4 g8f6 e4e5 f6d5 d2d4 B03 Alekhine's defence: O'Sullivan gambit 1.e2e4 g8f6 e4e5 f6d5 d2d4 b7b5 B03 Alekhine's defence 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6

B03 Alekhine's defence: Balogh variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 f1c4 B03 Alekhine's defence 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 B03 Alekhine's defence: exchange variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 e5d6 B03 Alekhine's defence: exchange, Karpov variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 e5d6 c7d6 g1f3

g7g6 f1e2 f8g7 e1g1 e8g8 h2h3 b8c6 b1c3 c8f5 c1f4 B03 Alekhine's defence: four pawns attack 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4

B03 Alekhine's defence: four pawns attack, Korchnoi variation 1.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 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 B03 Alekhine's defence: four pawns attack, Ilyin-Genevsky var. 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5

b8c6 g1f3 c8g4 e5e6 f7e6 c4c5 B03 Alekhine's defence: four pawns attack, 7.Be3 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 d6e5 f4e5 b8c6 c1e3 B03 Alekhine's defence: four pawns attack, Tartakower variation 1.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, Planinc variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 g7g5 B03 Alekhine's defence: four pawns attack, fianchetto variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 g7g6 B03 Alekhine's defence: four pawns attack, Trifunovic variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 c2c4 d5b6 f2f4 c8f5

------------------------------------ B04 ------------------------------------B04 Alekhine's defence: modern variation1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 B04 Alekhine's defence: modern, Larsen variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 d6e5 B04 Alekhine's defence: modern, Schmid variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 d5b6 B04 Alekhine's defence: modern, fianchetto variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 g7g6 B04 Alekhine's defence: modern, Keres variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 g7g6 f1c4 d5b6 c4b3 f8g7

a2a4

------------------------------------ B05 ------------------------------------B05 Alekhine's defence: modern variation, 4...Bg41.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 B05 Alekhine's defence: modern, Flohr variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 f1e2 c7c6 B05 Alekhine's defence: modern, Panov variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 h2h3 B05 Alekhine's defence: modern, Alekhine variation 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 c2c4 B05 Alekhine's defence: modern, Vitolins attack 1.e2e4 g8f6 e4e5 f6d5 d2d4 d7d6 g1f3 c8g4 c2c4 d5b6 d4d5

------------------------------------ B06 ------------------------------------B06 Robatsch (modern) defence1.e2e4 g7g6 B06 Norwegian defence 1.e2e4 g7g6 d2d4 g8f6 e4e5 f6h5 g2g4 h5g7 B06 Robatsch (modern) defence 1.e2e4 g7g6 d2d4 f8g7 B06 Robatsch defence: three pawns attack 1.e2e4 g7g6 d2d4 f8g7 f2f4 B06 Robatsch defence 1.e2e4 g7g6 d2d4 f8g7 b1c3 B06 Robatsch defence: Gurgenidze variation 1.e2e4 g7g6 d2d4 f8g7 b1c3 c7c6 f2f4 d7d5 e4e5 h7h5 B06 Robatsch (modern) defence 1.e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 B06 Robatsch defence: two knights variation 1.e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 g1f3 B06 Robatsch defence: two knights, Suttles variation 1.e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 g1f3 c7c6 B06 Robatsch defence: Pseudo-Austrian attack 1.e2e4 g7g6 d2d4 f8g7 b1c3 d7d6 f2f4

------------------------------------ B07 ------------------------------------B07 Pirc defence1.e2e4 d7d6 d2d4 g8f6 b1c3 B07 Pirc: Ufimtsev-Pytel variation 1.e2e4 d7d6 d2d4 g8f6 b1c3 c7c6 B07 Pirc defence 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6

B07 Pirc: 150 attack 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1e3 c7c6 d1d2 B07 Pirc: Sveshnikov system 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g2g3 B07 Pirc: Holmov system 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1c4 B07 Pirc: Byrne variation 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 c1g5 B07 Pirc defence 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2 B07 Pirc: Chinese variation 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2 f8g7 g2g4 B07 Pirc: bayonet (Mariotti) attack 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f1e2 f8g7 h2h4 B07 Robatsch defence: Geller's system 1.e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c3

------------------------------------ B08 ------------------------------------B08 Pirc: classical (two knights) system1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 B08 Pirc: classical (two knights) system 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 B08 Pirc: classical, h3 system 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 h2h3 B08 Pirc: classical system, 5.Be2 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 g1f3 f8g7 f1e2

------------------------------------ B09 ------------------------------------B09 Pirc: Austrian attack1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 B09 Pirc: Austrian attack 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 B09 Pirc: Austrian attack, 6.e5 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 e4e5 B09 Pirc: Austrian attack, 6.Be3 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 c1e3 B09 Pirc: Austrian attack, 6.Bd3 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 e8g8 f1d3 B09 Pirc: Austrian attack, dragon formation 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 g1f3 c7c5 B09 Pirc: Austrian attack, Ljubojevic variation 1.e2e4 d7d6 d2d4 g8f6 b1c3 g7g6 f2f4 f8g7 f1c4

------------------------------------ B10 ------------------------------------B10 Caro-Kann defence1.e2e4 c7c6 B10 Caro-Kann: Hillbilly attack 1.e2e4 c7c6 f1c4 B10 Caro-Kann: anti-Caro-Kann defence 1.e2e4 c7c6 c2c4 B10 Caro-Kann: anti-anti-Caro-Kann defence 1.e2e4 c7c6 c2c4 d7d5 B10 Caro-Kann: closed (Breyer) variation 1.e2e4 c7c6 d2d3 B10 Caro-Kann defence 1.e2e4 c7c6 b1c3 B10 Caro-Kann: Goldman (Spielmann) variation 1.e2e4 c7c6 b1c3 d7d5 d1f3 B10 Caro-Kann: two knights variation 1.e2e4 c7c6 b1c3 d7d5 g1f3

------------------------------------ B11 ------------------------------------B11 Caro-Kann: two knights, 3...Bg41.e2e4 c7c6 b1c3 d7d5 g1f3 c8g4

------------------------------------ B12 ------------------------------------B12 Caro-Kann defence1.e2e4 c7c6 d2d4 B12 de Bruycker defence 1.e2e4 c7c6 d2d4 b8a6 b1c3 a6c7 B12 Caro-Masi defence 1.e2e4 c7c6 d2d4 g8f6 B12 Caro-Kann defence 1.e2e4 c7c6 d2d4 d7d5

B12 Caro-Kann: Tartakower (fantasy) variation 1.e2e4 c7c6 d2d4 d7d5 f2f3 B12 Caro-Kann: 3.Nd2 1.e2e4 c7c6 d2d4 d7d5 b1d2 B12 Caro-Kann: Edinburgh variation 1.e2e4 c7c6 d2d4 d7d5 b1d2 d8b6 B12 Caro-Kann: advance variation 1.e2e4 c7c6 d2d4 d7d5 e4e5 B12 Caro-Kann: advance, Short variation 1.e2e4 c7c6 d2d4 d7d5 e4e5 c8f5 c2c3 e7e6 f1e2

------------------------------------ B13 ------------------------------------B13 Caro-Kann: exchange variation1.e2e4 c7c6 d2d4 d7d5 e4d5 B13 Caro-Kann: exchange, Rubinstein variation 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 f1d3 b8c6 c2c3 g8f6 c1f4 B13 Caro-Kann: Panov-Botvinnik attack 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 B13 Caro-Kann: Panov-Botvinnik, Gunderam attack 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 c4c5 B13 Caro-Kann: Panov-Botvinnik attack 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 B13 Caro-Kann: Panov-Botvinnik, Herzog defence 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5

d5c4 d4d5 c6a5 B13 Caro-Kann: Panov-Botvinnik, normal variation 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5 e7e6 B13 Caro-Kann: Panov-Botvinnik, Czerniak variation 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5

d8a5 B13 Caro-Kann: Panov-Botvinnik, Reifir (Spielmann) variation 1.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 b8c6 c1g5

d8b6

------------------------------------ B14 ------------------------------------B14 Caro-Kann: Panov-Botvinnik attack, 5...e61.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 e7e6B14 Caro-Kann: Panov-Botvinnik attack, 5...g61.e2e4 c7c6 d2d4 d7d5 e4d5 c6d5 c2c4 g8f6 b1c3 g7g6

------------------------------------ B15 ------------------------------------B15 Caro-Kann defence1.e2e4 c7c6 d2d4 d7d5 b1c3 B15 Caro-Kann: Gurgenidze counter-attack 1.e2e4 c7c6 d2d4 d7d5 b1c3 b7b5 B15 Caro-Kann: Gurgenidze system 1.e2e4 c7c6 d2d4 d7d5 b1c3 g7g6 B15 Caro-Kann: Rasa-Studier gambit 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 f2f3 B15 Caro-Kann defence 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 B15 Caro-Kann: Alekhine gambit 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 f1d3 B15 Caro-Kann: Tartakower (Nimzovich) variation 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6 e7f6 B15 Caro-Kann: Forgacs variation 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6 e7f6 f1c4

------------------------------------ B16 ------------------------------------B16 Caro-Kann: Bronstein-Larsen variation1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 g8f6 e4f6 g7f6

------------------------------------ B17 ------------------------------------B17 Caro-Kann: Steinitz variation1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7

------------------------------------ B18 ------------------------------------B18 Caro-Kann: classical variation1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 B18 Caro-Kann: classical, Flohr variation 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 g1h3 B18 Caro-Kann: classical, Maroczy attack 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 f2f4 B18 Caro-Kann: classical, 6.h4 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4

------------------------------------ B19 ------------------------------------B19 Caro-Kann: classical, 7...Nd71.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6 g1f3

b8d7 B19 Caro-Kann: classical, Spassky variation 1.e2e4 c7c6 d2d4 d7d5 b1c3 d5e4 c3e4 c8f5 e4g3 f5g6 h2h4 h7h6

g1f3 b8d7 h4h5

------------------------------------ B20 ------------------------------------B20 Sicilian defence1.e2e4 c7c5 B20 Sicilian: Gloria variation 1.e2e4 c7c5 c2c4 d7d6 b1c3 b8c6 g2g3 h7h5 B20 Sicilian: Steinitz variation 1.e2e4 c7c5 g2g3 B20 Sicilian: wing gambit 1.e2e4 c7c5 b2b4 B20 Sicilian: wing gambit, Santasiere variation 1.e2e4 c7c5 b2b4 c5b4 c2c4 B20 Sicilian: wing gambit, Marshall variation 1.e2e4 c7c5 b2b4 c5b4 a2a3 B20 Sicilian: wing gambit, Marienbad variation 1.e2e4 c7c5 b2b4 c5b4 a2a3 d7d5 e4d5 d8d5 c1b2 B20 Sicilian: wing gambit, Carlsbad variation 1.e2e4 c7c5 b2b4 c5b4 a2a3 b4a3 B20 Sicilian: Keres variation (2.Ne2) 1.e2e4 c7c5 g1e2

------------------------------------ B21 ------------------------------------B21 Sicilian: Grand Prix attack1.e2e4 c7c5 f2f4 B21 Sicilian: Smith-Morra gambit 1.e2e4 c7c5 d2d4 B21 Sicilian: Andreaschek gambit 1.e2e4 c7c5 d2d4 c5d4 g1f3 e7e5 c2c3 B21 Sicilian: Smith-Morra gambit 1.e2e4 c7c5 d2d4 c5d4 c2c3 B21 Sicilian: Smith-Morra gambit, Chicago defence 1.e2e4 c7c5 d2d4 c5d4 c2c3 d4c3 b1c3 b8c6 g1f3 d7d6 f1c4 e7e6

e1g1 a7a6 d1e2 b7b5 c4b3 a8a7

------------------------------------ B22 ------------------------------------B22 Sicilian: Alapin's variation (2.c3)1.e2e4 c7c5 c2c3 B22 Sicilian: 2.c3, Heidenfeld variation 1.e2e4 c7c5 c2c3 g8f6 e4e5 f6d5 g1f3 b8c6 b1a3

------------------------------------ B23 ------------------------------------B23 Sicilian: closed1.e2e4 c7c5 b1c3 B23 Sicilian: closed, Korchnoi variation 1.e2e4 c7c5 b1c3 e7e6 g2g3 d7d5 B23 Sicilian: closed, 2...Nc6 1.e2e4 c7c5 b1c3 b8c6 B23 Sicilian: chameleon variation 1.e2e4 c7c5 b1c3 b8c6 g1e2 B23 Sicilian: Grand Prix attack 1.e2e4 c7c5 b1c3 b8c6 f2f4 B23 Sicilian: Grand Prix attack, Schofman variation 1.e2e4 c7c5 b1c3 b8c6 f2f4 g7g6 g1f3 f8g7 f1c4 e7e6 f4f5

------------------------------------ B24 ------------------------------------B24 Sicilian: closed1.e2e4 c7c5 b1c3 b8c6 g2g3

B24 Sicilian: closed, Smyslov variation 1.e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 e7e6 c1e3 c6d4

c3e2

------------------------------------ B25 ------------------------------------B25 Sicilian: closed1.e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 B25 Sicilian: closed, 6.Ne2 e5 (Botvinnik) 1.e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 g1e2 e7e5

B25 Sicilian: closed, 6.f4 1.e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4 B25 Sicilian: closed, 6.f4 e5 (Botvinnik) 1.e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 f2f4 e7e5

------------------------------------ B26 ------------------------------------B26 Sicilian: closed, 6.Be31.e2e4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 d2d3 d7d6 c1e3

------------------------------------ B27 ------------------------------------B27 Sicilian defence1.e2e4 c7c5 g1f3 B27 Sicilian: Stiletto (Althouse) variation 1.e2e4 c7c5 g1f3 d8a5 B27 Sicilian: Quinteros variation 1.e2e4 c7c5 g1f3 d8c7 B27 Sicilian: Katalimov variation 1.e2e4 c7c5 g1f3 b7b6 B27 Sicilian: Hungarian variation 1.e2e4 c7c5 g1f3 g7g6 B27 Sicilian: Acton extension 1.e2e4 c7c5 g1f3 g7g6 c2c4 f8h6

------------------------------------ B28 ------------------------------------B28 Sicilian: O'Kelly variation1.e2e4 c7c5 g1f3 a7a6

------------------------------------ B29 ------------------------------------B29 Sicilian: Nimzovich-Rubinstein variation1.e2e4 c7c5 g1f3 g8f6 B29 Sicilian: Nimzovich-Rubinstein; Rubinstein counter-gambit 1.e2e4 c7c5 g1f3 g8f6 e4e5 f6d5 b1c3 e7e6 c3d5 e6d5 d2d4 b8c6

------------------------------------ B30 ------------------------------------B30 Sicilian defence1.e2e4 c7c5 g1f3 b8c6 B30 Sicilian: Nimzovich-Rossolimo attack (without ...d6) 1.e2e4 c7c5 g1f3 b8c6 f1b5

------------------------------------ B31 ------------------------------------B31 Sicilian: Nimzovich-Rossolimo attack (with ...g6, without ...d6)1.e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 B31 Sicilian: Nimzovich-Rossolimo attack, Gurgenidze variation 1.e2e4 c7c5 g1f3 b8c6 f1b5 g7g6 e1g1 f8g7 f1e1 e7e5 b2b4

------------------------------------ B32 ------------------------------------B32 Sicilian defence1.e2e4 c7c5 g1f3 b8c6 d2d4 B32 Sicilian: Flohr variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d8c7 B32 Sicilian: Nimzovich variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 d7d5 B32 Sicilian: Labourdonnais-Loewenthal variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5 B32 Sicilian: Labourdonnais-Loewenthal (Kalashnikov) variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 e7e5 d4b5 d7d6

------------------------------------ B33 ------------------------------------B33 Sicilian defence1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 B33 Sicilian: Pelikan (Lasker/Sveshnikov) variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 B33 Sicilian: Pelikan, Bird variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6

c1g5 a7a6 b5a3 c8e6

B33 Sicilian: Pelikan, Chelyabinsk variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6

c1g5 a7a6 b5a3 b7b5 B33 Sicilian: Sveshnikov variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 d4b5 d7d6 c1g5 a7a6 b5a3 b7b5 g5f6 g7f6 c3d5 f6f5

------------------------------------ B34 ------------------------------------B34 Sicilian: accelerated fianchetto, exchange variation1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 d4c6B34 Sicilian: accelerated fianchetto, modern variation1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3

------------------------------------ B35 ------------------------------------B35 Sicilian: accelerated fianchetto, modern variation with Bc41.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 b1c3 f8g7 c1e3 g8f6 f1c4

------------------------------------ B36 ------------------------------------B36 Sicilian: accelerated fianchetto, Maroczy bind1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4B36 Sicilian: accelerated fianchetto, Gurgenidze variation1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 g8f6 b1c3 c6d4 d1d4

d7d6

------------------------------------ B37 ------------------------------------B37 Sicilian: accelerated fianchetto, Maroczy bind, 5...Bg71.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7B37 Sicilian: accelerated fianchetto, Simagin variation1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 d4c2 d7d6 f1e2

g8h6

------------------------------------ B38 ------------------------------------B38 Sicilian: accelerated fianchetto, Maroczy bind, 6.Be31.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3

------------------------------------ B39 ------------------------------------B39 Sicilian: accelerated fianchetto, Breyer variation1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g7g6 c2c4 f8g7 c1e3 g8f6 b1c3

f6g4

------------------------------------ B40 ------------------------------------B40 Sicilian defence1.e2e4 c7c5 g1f3 e7e6 B40 Sicilian: Marshall variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 d7d5 B40 Sicilian defence 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 B40 Sicilian: Anderssen variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 B40 Sicilian: Pin variation (Sicilian counter-attack) 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4 B40 Sicilian: Pin, Jaffe variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4 f1d3 e6e5 B40 Sicilian: Pin, Koch variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 g8f6 b1c3 f8b4 e4e5

------------------------------------ B41 ------------------------------------B41 Sicilian: Kan variation1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 B41 Sicilian: Kan, Maroczy bind (Reti variation) 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 c2c4 B41 Sicilian: Kan, Maroczy bind - Bronstein variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 c2c4 g8f6 b1c3 f8b4

f1d3 b8c6 d3c2

------------------------------------ B42 ------------------------------------B42 Sicilian: Kan, 5.Bd31.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 B42 Sicilian: Kan, Gipslis variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 g8f6 e1g1 d7d6

c2c4 g7g6 B42 Sicilian: Kan, Polugaievsky variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 f8c5 B42 Sicilian: Kan, Swiss cheese variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 f1d3 g7g6

------------------------------------ B43 ------------------------------------B43 Sicilian: Kan, 5.Nc31.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 a7a6 b1c3

------------------------------------ B44 ------------------------------------B44 Sicilian defence1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6

B44 Sicilian, Szen (`anti-Taimanov') variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 B44 Sicilian, Szen, hedgehog variation 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 d7d6 c2c4 g8f6

b1c3 a7a6 b5a3 f8e7 f1e2 e8g8 e1g1 b7b6 B44 Sicilian, Szen variation, Dely-Kasparov gambit 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 d7d6 c2c4 g8f6

b1c3 a7a6 b5a3 d6d5

------------------------------------ B45 ------------------------------------B45 Sicilian: Taimanov variation1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 B45 Sicilian: Taimanov, American attack 1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 g8f6 d4b5 f8b4

b5d6

------------------------------------ B46 ------------------------------------B46 Sicilian: Taimanov variation1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 a7a6

------------------------------------ B47 ------------------------------------B47 Sicilian: Taimanov (Bastrikov) variation1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7

------------------------------------ B48 ------------------------------------B48 Sicilian: Taimanov variation1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3

------------------------------------ B49 ------------------------------------B49 Sicilian: Taimanov variation1.e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 b1c3 d8c7 c1e3 a7a6 f1e2

------------------------------------ B50 ------------------------------------B50 Sicilian1.e2e4 c7c5 g1f3 d7d6 B50 Sicilian: wing gambit deferred 1.e2e4 c7c5 g1f3 d7d6 b2b4

------------------------------------ B51 ------------------------------------B51 Sicilian: Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack1.e2e4 c7c5 g1f3 d7d6 f1b5

------------------------------------ B52 ------------------------------------B52 Sicilian: Canal-Sokolsky attack, 3...Bd71.e2e4 c7c5 g1f3 d7d6 f1b5 c8d7 B52 Sicilian: Canal-Sokolsky attack, Bronstein gambit 1.e2e4 c7c5 g1f3 d7d6 f1b5 c8d7 b5d7 d8d7 e1g1 b8c6 c2c3 g8f6

d2d4 B52 Sicilian: Canal-Sokolsky attack, Sokolsky variation 1.e2e4 c7c5 g1f3 d7d6 f1b5 c8d7 b5d7 d8d7 c2c4

------------------------------------ B53 ------------------------------------B53 Sicilian, Chekhover variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4 B53 Sicilian: Chekhover, Zaitsev variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 d1d4 b8c6 f1b5 d8d7

------------------------------------ B54 ------------------------------------B54 Sicilian1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 B54 Sicilian: Prins (Moscow) variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 f2f3

------------------------------------ B55 ------------------------------------B55 Sicilian: Prins variation, Venice attack1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 f2f3 e7e5 f1b5

------------------------------------ B56 ------------------------------------B56 Sicilian1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 B56 Sicilian: Venice attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e5 f1b5 B56 Sicilian 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6

------------------------------------ B57 ------------------------------------

B57 Sicilian: Sozin, not Scheveningen1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 B57 Sicilian: Magnus Smith trap 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 g7g6

d4c6 b7c6 e4e5 B57 Sicilian: Sozin, Benko variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 f1c4 d8b6

------------------------------------ B58 ------------------------------------B58 Sicilian: classical1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 B58 Sicilian: Boleslavsky variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5 B58 Sicilian: Boleslavsky, Louma variation 1.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5

d4c6

------------------------------------ B59 ------------------------------------B59 Sicilian: Boleslavsky variation, 7.Nb31.e2e4 c7c5 g1f3 b8c6 d2d4 c5d4 f3d4 g8f6 b1c3 d7d6 f1e2 e7e5 d4b3

------------------------------------ B60 ------------------------------------B60 Sicilian: Richter-Rauzer1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 B60 Sicilian: Richter-Rauzer, Bondarevsky variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 g7g6 B60 Sicilian: Richter-Rauzer, Larsen variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 c8d7

------------------------------------ B61 ------------------------------------B61 Sicilian: Richter-Rauzer, Larsen variation, 7.Qd21.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 c8d7 d1d2

------------------------------------ B62 ------------------------------------B62 Sicilian: Richter-Rauzer, 6...e61.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 B62 Sicilian: Richter-Rauzer, Podvebrady variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

d4b3 B62 Sicilian: Richter-Rauzer, Margate (Alekhine) variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

f1b5 B62 Sicilian: Richter-Rauzer, Richter attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

d4c6 B62 Sicilian: Richter-Rauzer, Keres variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

d1d3

------------------------------------ B63 ------------------------------------B63 Sicilian: Richter-Rauzer, Rauzer attack1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2 B63 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

d1d2 f8e7

------------------------------------ B64 ------------------------------------B64 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f41.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2

f8e7 e1c1 e8g8 f2f4 B64 Sicilian: Richter-Rauzer, Rauzer attack, Geller variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

d1d2 f8e7 e1c1 e8g8 f2f4 e6e5

------------------------------------ B65 ------------------------------------B65 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd41.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2

f8e7 e1c1 e8g8 f2f4 c6d4 B65 Sicilian: Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd4 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6

d1d2 f8e7 e1c1 e8g8 f2f4 c6d4 d2d4

------------------------------------ B66 ------------------------------------B66 Sicilian: Richter-Rauzer, Rauzer attack, 7...a61.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2

a7a6

------------------------------------ B67 ------------------------------------B67 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd71.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2

a7a6 e1c1 c8d7

------------------------------------ B68 ------------------------------------B68 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be71.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2

a7a6 e1c1 c8d7 f2f4 f8e7

------------------------------------ B69 ------------------------------------B69 Sicilian: Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf61.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 b8c6 c1g5 e7e6 d1d2

a7a6 e1c1 c8d7 f2f4 f8e7 d4f3 b7b5 g5f6

------------------------------------ B70 ------------------------------------B70 Sicilian: dragon variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6

------------------------------------ B71 ------------------------------------B71 Sicilian: dragon, Levenfish variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4 B71 Sicilian: dragon, Levenfish; Flohr variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 f2f4 b8d7

------------------------------------ B72 ------------------------------------B72 Sicilian: dragon, 6.Be31.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 B72 Sicilian: dragon, classical attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 B72 Sicilian: dragon, classical, Amsterdam variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7

f1e2 b8c6 d1d2 B72 Sicilian: dragon, classical, Grigoriev variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2 b8c6 d1d2 e8g8 e1c1 B72 Sicilian: dragon, classical, Nottingham variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7

f1e2 b8c6 d4b3

------------------------------------ B73 ------------------------------------B73 Sicilian: dragon, classical, 8.O-O1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2

b8c6 e1g1 B73 Sicilian: dragon, classical, Zollner gambit 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2

b8c6 e1g1 e8g8 f2f4 d8b6 e4e5 B73 Sicilian: dragon, classical, Richter variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2

b8c6 e1g1 e8g8 d1d2

------------------------------------ B74 ------------------------------------B74 Sicilian: dragon, classical, 9.Nb31.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2b8c6 e1g1 e8g8 d4b3 B74 Sicilian: dragon, classical, Stockholm attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2

b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 c6a5 f4f5 e6c4 b3a5 c4e2 d1e2 d8a5 g2g4

B74 Sicilian: dragon, classical, Spielmann variation 1.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, Bernard defence 1.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

B74 Sicilian: dragon, classical, Reti-Tartakower variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2

b8c6 e1g1 e8g8 d4b3 c8e6 f2f4 d8c8 B74 Sicilian: dragon, classical, Alekhine variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f1e2

b8c6 e1g1 e8g8 d4b3 a7a5

------------------------------------ B75 ------------------------------------B75 Sicilian: dragon, Yugoslav attack1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

------------------------------------ B76 ------------------------------------B76 Sicilian: dragon, Yugoslav attack, 7...O-O1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

e8g8 B76 Sicilian: dragon, Yugoslav attack, Rauser variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

e8g8 d1d2 b8c6 e1c1

------------------------------------ B77 ------------------------------------B77 Sicilian: dragon, Yugoslav attack, 9.Bc41.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

e8g8 d1d2 b8c6 f1c4 B77 Sicilian: dragon, Yugoslav attack, Byrne variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

e8g8 d1d2 b8c6 f1c4 a7a5 B77 Sicilian: dragon, Yugoslav attack, 9...Bd7 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

e8g8 d1d2 b8c6 f1c4 c8d7

------------------------------------ B78 ------------------------------------B78 Sicilian: dragon, Yugoslav attack, 10.O-O-O1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

e8g8 d1d2 b8c6 f1c4 c8d7 e1c1

------------------------------------ B79 ------------------------------------B79 Sicilian: dragon, Yugoslav attack, 12.h41.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 g7g6 c1e3 f8g7 f2f3

e8g8 d1d2 b8c6 f1c4 c8d7 e1c1 d8a5 c4b3 f8c8 h2h4

------------------------------------ B80 ------------------------------------B80 Sicilian: Scheveningen variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 B80 Sicilian: Scheveningen, English variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 c1e3 a7a6

d1d2 B80 Sicilian: Scheveningen, Vitolins variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1b5 B80 Sicilian: Scheveningen, fianchetto variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g3

------------------------------------ B81 ------------------------------------B81 Sicilian: Scheveningen, Keres attack1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 g2g4

------------------------------------ B82 ------------------------------------B82 Sicilian: Scheveningen, 6.f41.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f2f4 B82 Sicilian: Scheveningen, Tal variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f2f4 b8c6 c1e3

f8e7 d1f3

------------------------------------ B83 ------------------------------------B83 Sicilian: Scheveningen, 6.Be21.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 B83 Sicilian: modern Scheveningen 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6 B83 Sicilian: modern Scheveningen, main line 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6

e1g1 f8e7 c1e3 e8g8 f2f4 B83 Sicilian: modern Scheveningen, main line with Nb3 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 b8c6 e1g1 f8e7 c1e3 e8g8 f2f4 c8d7 d4b3

------------------------------------ B84 ------------------------------------B84 Sicilian: Scheveningen (Paulsen), classical variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 B84 Sicilian: Scheveningen, classical, Nd7 system 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6

e1g1 b8d7 B84 Sicilian: Scheveningen (Paulsen), classical variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6

e1g1 d8c7

------------------------------------ B85 ------------------------------------B85 Sicilian: Scheveningen, classical variation with ...Qc7 and ...Nc61.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6 e1g1

d8c7 f2f4 b8c6 B85 Sicilian: Scheveningen, classical, Maroczy system 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6

e1g1 d8c7 f2f4 b8c6 g1h1 f8e7 a2a4 B85 Sicilian: Scheveningen, classical 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6

e1g1 d8c7 f2f4 b8c6 c1e3 B85 Sicilian: Scheveningen, classical main line 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1e2 a7a6

e1g1 d8c7 f2f4 b8c6 c1e3 f8e7 d1e1 e8g8

------------------------------------ B86 ------------------------------------B86 Sicilian: Sozin attack1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4

------------------------------------ B87 ------------------------------------B87 Sicilian: Sozin with ...a6 and ...b51.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 a7a6 c4b3

b7b5

------------------------------------ B88 ------------------------------------B88 Sicilian: Sozin, Leonhardt variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 B88 Sicilian: Sozin, Fischer variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6

c4b3 f8e7 c1e3 e8g8 f2f4

------------------------------------ B89 ------------------------------------B89 Sicilian: Sozin, 7.Be31.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6 c1e3 B89 Sicilian: Velimirovic attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 e7e6 f1c4 b8c6

c1e3 f8e7 d1e2

------------------------------------ B90 ------------------------------------B90 Sicilian: Najdorf1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 B90 Sicilian: Najdorf, Adams attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 h2h3 B90 Sicilian: Najdorf, Lipnitzky attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1c4 B90 Sicilian: Najdorf, Byrne (English) attack 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1e3

------------------------------------ B91 ------------------------------------B91 Sicilian: Najdorf, Zagreb (fianchetto) variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 g2g3

------------------------------------ B92 ------------------------------------B92 Sicilian: Najdorf, Opovcensky variation1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f1e2

------------------------------------ B93 ------------------------------------B93 Sicilian: Najdorf, 6.f41.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 f2f4

------------------------------------ B94 ------------------------------------B94 Sicilian: Najdorf, 6.Bg51.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 B94 Sicilian: Najdorf, Ivkov variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 b8d7

f1c4 d8a5 d1d2 e7e6 e1c1 b7b5 c4b3 c8b7 h1e1 d7c5 e4e5

------------------------------------ B95 ------------------------------------B95 Sicilian: Najdorf, 6...e61.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6

------------------------------------ B96 ------------------------------------B96 Sicilian: Najdorf, 7.f41.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 B96 Sicilian: Najdorf, Polugayevsky variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

b7b5

B96 Sicilian: Najdorf, Polugayevsky, Simagin variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6

f2f4 b7b5 e4e5 d6e5 f4e5 d8c7 d1e2

------------------------------------ B97 ------------------------------------B97 Sicilian: Najdorf, 7...Qb61.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

d8b6 B97 Sicilian: Najdorf, Poisoned pawn variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

d8b6 d1d2 b6b2 a1b1 b2a3

------------------------------------ B98 ------------------------------------B98 Sicilian: Najdorf, 7...Be71.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

f8e7 B98 Sicilian: Najdorf, Browne variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

f8e7 d1f3 h7h6 g5h4 d8c7 B98 Sicilian: Najdorf, Goteborg (Argentine) variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

f8e7 d1f3 h7h6 g5h4 g7g5 B98 Sicilian: Najdorf variation 1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

f8e7 d1f3 d8c7

------------------------------------ B99 ------------------------------------B99 Sicilian: Najdorf, 7...Be7 main line1.e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4

f8e7 d1f3 d8c7 e1c1 b8d7

------------------------------------ C00 ------------------------------------C00 French defence1.e2e4 e7e6 C00 French defence, Steiner variation 1.e2e4 e7e6 c2c4 C00 French: Reti (Spielmann) variation 1.e2e4 e7e6 b2b3 C00 French: Steinitz attack 1.e2e4 e7e6 e4e5 C00 French: Labourdonnais variation 1.e2e4 e7e6 f2f4 C00 French defence 1.e2e4 e7e6 g1f3 C00 French: Wing gambit 1.e2e4 e7e6 g1f3 d7d5 e4e5 c7c5 b2b4 C00 French defence 1.e2e4 e7e6 b1c3 C00 French: Pelikan variation 1.e2e4 e7e6 b1c3 d7d5 f2f4 C00 French: Two knights variation 1.e2e4 e7e6 b1c3 d7d5 g1f3 C00 French: Chigorin variation 1.e2e4 e7e6 d1e2 C00 French: King's Indian attack 1.e2e4 e7e6 d2d3 C00 French: Reversed Philidor formation 1.e2e4 e7e6 d2d3 d7d5 b1d2 g8f6 g1f3 b8c6 f1e2 C00 French defence 1.e2e4 e7e6 d2d4 C00 Lengfellner system 1.e2e4 e7e6 d2d4 d7d6 C00 St. George defence 1.e2e4 e7e6 d2d4 a7a6 C00 French defence 1.e2e4 e7e6 d2d4 d7d5 C00 French: Schlechter variation 1.e2e4 e7e6 d2d4 d7d5 f1d3 C00 French: Alapin variation 1.e2e4 e7e6 d2d4 d7d5 c1e3

------------------------------------ C01 ------------------------------------C01 French: exchange variation1.e2e4 e7e6 d2d4 d7d5 e4d5

C01 French: exchange, Svenonius variation 1.e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 b1c3 g8f6 c1g5 C01 French: exchange, Bogolyubov variation 1.e2e4 e7e6 d2d4 d7d5 e4d5 e6d5 b1c3 g8f6 c1g5 b8c6

------------------------------------ C02 ------------------------------------C02 French: advance variation1.e2e4 e7e6 d2d4 d7d5 e4e5 C02 French: advance, Steinitz variation 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 d4c5 C02 French: advance, Nimzovich variation 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 d1g4 C02 French: advance, Nimzovich system 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 g1f3 C02 French: advance variation 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 C02 French: advance, Wade variation 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 d8b6 g1f3 c8d7 C02 French: advance variation 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 C02 French: advance, Paulsen attack 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 C02 French: advance, Milner-Barry gambit 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 d8b6 f1d3 C02 French: advance, Euwe variation 1.e2e4 e7e6 d2d4 d7d5 e4e5 c7c5 c2c3 b8c6 g1f3 c8d7

------------------------------------ C03 ------------------------------------C03 French: Tarrasch1.e2e4 e7e6 d2d4 d7d5 b1d2 C03 French: Tarrasch, Haberditz variation 1.e2e4 e7e6 d2d4 d7d5 b1d2 f7f5 C03 French: Tarrasch, Guimard variation 1.e2e4 e7e6 d2d4 d7d5 b1d2 b8c6

------------------------------------ C04 ------------------------------------C04 French: Tarrasch, Guimard main line1.e2e4 e7e6 d2d4 d7d5 b1d2 b8c6 g1f3 g8f6

------------------------------------ C05 ------------------------------------C05 French: Tarrasch, closed variation1.e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 C05 French: Tarrasch, Botvinnik variation 1.e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b7b6 C05 French: Tarrasch, closed variation 1.e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6

------------------------------------ C06 ------------------------------------C06 French: Tarrasch, closed variation, main line1.e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6 g1e2

c5d4 c3d4 C06 French: Tarrasch, Leningrad variation 1.e2e4 e7e6 d2d4 d7d5 b1d2 g8f6 e4e5 f6d7 f1d3 c7c5 c2c3 b8c6

g1e2 c5d4 c3d4 d7b6

------------------------------------ C07 ------------------------------------C07 French: Tarrasch, open variation1.e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 C07 French: Tarrasch, Eliskases variation 1.e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 d8d5 g1f3 c5d4 f1c4 d5d8

------------------------------------ C08 ------------------------------------C08 French: Tarrasch, open, 4.ed ed1.e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5

------------------------------------ C09 ------------------------------------C09 French: Tarrasch, open variation, main line1.e2e4 e7e6 d2d4 d7d5 b1d2 c7c5 e4d5 e6d5 g1f3 b8c6

------------------------------------ C10 ------------------------------------C10 French: Paulsen variation1.e2e4 e7e6 d2d4 d7d5 b1c3 C10 French: Marshall variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 c7c5 C10 French: Rubinstein variation

1.e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 C10 French: Fort Knox variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 c8d7 g1f3 d7c6 C10 French: Rubinstein variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 C10 French: Rubinstein, Capablanca line 1.e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 b8d7 g1f3 g8f6 e4f6 d7f6

f3e5 C10 French: Frere (Becker) variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 d5e4 c3e4 d8d5

------------------------------------ C11 ------------------------------------C11 French defence1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 C11 French: Swiss variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 f1d3 C11 French: Henneberger variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1e3 C11 French: Steinitz variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 C11 French: Steinitz, Bradford attack 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 f8c5

d1g4 C11 French: Steinitz variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 b8c6 C11 French: Steinitz, Brodsky-Jones variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 d4c5 b8c6 a2a3 f8c5 d1g4 e8g8 g1f3 f7f6 C11 French: Steinitz variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 g1f3 C11 French: Steinitz, Boleslavsky variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 f2f4 c7c5 g1f3 b8c6

c1e3 C11 French: Steinitz, Gledhill attack 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 e4e5 f6d7 d1g4 C11 French: Burn variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 d5e4

------------------------------------ C12 ------------------------------------C12 French: MacCutcheon variation1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 C12 French: MacCutcheon, Bogolyubov variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4d5 d8d5 g5f6 g7f6

d1d2 d5a5 C12 French: MacCutcheon, advance variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 C12 French: MacCutcheon, Chigorin variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 e5f6 C12 French: MacCutcheon, Grigoriev variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 e5f6 h6g5 f6g7 h8g8 h2h4 g5h4 d1g4 C12 French: MacCutcheon, Bernstein variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5h4 C12 French: MacCutcheon, Janowski variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5e3 C12 French: MacCutcheon, Dr. Olland (Dutch) variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5c1 C12 French: MacCutcheon, Tartakower variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 f6d7 C12 French: MacCutcheon, Lasker variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3 C12 French: MacCutcheon, Duras variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3 b2c3 f6e4 d1g4 e8f8 d2c1 C12 French: MacCutcheon, Lasker variation, 8...g6 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8b4 e4e5 h7h6 g5d2 b4c3 b2c3 f6e4 d1g4 g7g6

------------------------------------ C13 ------------------------------------C13 French: classical1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 C13 French: classical, Anderssen variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 g5f6 C13 French: classical, Anderssen-Richter variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 g5f6 e7f6 e4e5 f6e7

d1g4

C13 French: classical, Vistaneckis (Nimzovich) variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6g8 C13 French: classical, Frankfurt variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6g8 g5e3 b7b6 C13 French: classical, Tartakower variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6e4 C13 French: Albin-Alekhine-Chatard attack 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 C13 French: Albin-Alekhine-Chatard attack, Maroczy variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 a7a6 C13 French: Albin-Alekhine-Chatard attack, Breyer variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 c7c5 C13 French: Albin-Alekhine-Chatard attack, Teichmann variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 f7f6 C13 French: Albin-Alekhine-Chatard attack, Spielmann variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 h2h4 e8g8 ------------------------------------ C14 ------------------------------------C14 French: classical variation1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 C14 French: classical, Tarrasch variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7

f1d3 C14 French: classical, Rubinstein variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7

d1d2 C14 French: classical, Alapin variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7

c3b5 C14 French: classical, Pollock variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7

d1g4 C14 French: classical, Steinitz variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7 f2f4 C14 French: classical, Stahlberg variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 g8f6 c1g5 f8e7 e4e5 f6d7 g5e7 d8e7

f2f4 e8g8 g1f3 c7c5 d1d2 b8c6 e1c1 c5c4

------------------------------------ C15 ------------------------------------C15 French: Winawer (Nimzovich) variation1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 C15 French: Winawer, Kondratiyev variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 f1d3 c7c5 e4d5 d8d5 c1d2 C15 French: Winawer, fingerslip variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 c1d2 C15 French: Winawer, Alekhine (Maroczy) gambit 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 C15 French: Winawer, Alekhine gambit, Alatortsev variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4e7 c3e4 g8f6

e2g3 e8g8 f1e2 b8c6 C15 French: Winawer, Alekhine gambit 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4c3 C15 French: Winawer, Alekhine gambit, Kan variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 g1e2 d5e4 a2a3 b4c3 e2c3 b8c6

------------------------------------ C16 ------------------------------------C16 French: Winawer, advance variation1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 C16 French: Winawer, Petrosian variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 d8d7

------------------------------------ C17 ------------------------------------C17 French: Winawer, advance variation1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 C17 French: Winawer, advance, Bogolyubov variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 c1d2 C17 French: Winawer, advance, Russian variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 d1g4 C17 French: Winawer, advance, 5.a3 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 C17 French: Winawer, advance, Rauzer variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 c5d4 a3b4 d4c3

g1f3

------------------------------------ C18 ------------------------------------C18 French: Winawer, advance variation1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 C18 French: Winawer, classical variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 d8c7

------------------------------------ C19 ------------------------------------C19 French: Winawer, advance, 6...Ne71.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7 C19 French: Winawer, advance, Smyslov variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7

a3a4 C19 French: Winawer, advance, positional main line 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7

g1f3 C19 French: Winawer, advance, poisoned pawn variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7

d1g4 C19 French: Winawer, advance, poisoned pawn, Euwe-Gligoric

variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7

d1g4 d8c7 g4g7 h8g8 g7h7 c5d4 e1d1 C19 French: Winawer, advance, poisoned pawn, Konstantinopolsky

variation 1.e2e4 e7e6 d2d4 d7d5 b1c3 f8b4 e4e5 c7c5 a2a3 b4c3 b2c3 g8e7

d1g4 d8c7 g4g7 h8g8 g7h7 c5d4 g1e2

------------------------------------ C20 ------------------------------------C20 King's pawn game1.e2e4 e7e5 C20 KP: Indian opening 1.e2e4 e7e5 d2d3 C20 KP: Mengarini's opening 1.e2e4 e7e5 a2a3 C20 KP: King's head opening 1.e2e4 e7e5 f2f3 C20 KP: Patzer opening 1.e2e4 e7e5 d1h5 C20 KP: Napoleon's opening 1.e2e4 e7e5 d1f3 C20 KP: Lopez opening 1.e2e4 e7e5 c2c3 C20 Alapin's opening 1.e2e4 e7e5 g1e2

------------------------------------ C21 ------------------------------------C21 Centre game1.e2e4 e7e5 d2d4 e5d4 C21 Centre game, Kieseritsky variation 1.e2e4 e7e5 d2d4 e5d4 g1f3 c7c5 f1c4 b7b5 C21 Halasz gambit 1.e2e4 e7e5 d2d4 e5d4 f2f4 C21 Danish gambit 1.e2e4 e7e5 d2d4 e5d4 c2c3 C21 Danish gambit: Collijn defence 1.e2e4 e7e5 d2d4 e5d4 c2c3 d4c3 f1c4 c3b2 c1b2 d8e7 C21 Danish gambit: Schlechter defence 1.e2e4 e7e5 d2d4 e5d4 c2c3 d4c3 f1c4 c3b2 c1b2 d7d5 C21 Danish gambit: Soerensen defence 1.e2e4 e7e5 d2d4 e5d4 c2c3 d7d5 C21 Centre game 1.e2e4 e7e5 d2d4 e5d4 d1d4

------------------------------------ C22 --------------------