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A01 1. b3
A01 1. b3 >> 1. b3 b5 Polish variation
A01 1. b3 >> 1. b3 b6 Symmetrical variation
A01 1. b3 >> 1. b3 c5 English variation
A01 1. b3 >> 1. b3 d5 Classical variation
A01 1. b3 >> 1. b3 e5 2.Bb2 d6 Modern variation
A01 1. b3 >> 1. b3 e5 2.Bb2 Nc6 Modern variation
A01 1. b3 >> 1. b3 f5 Dutch variation
A01 1. b3 >> 1. b3 Nf6 Indian variation
A02-A03 -1. f4
A02-A03 -1. f4 >> A02 -1.f4 .... without d5
A02-A03 -1. f4 >> A02 -1.f4 .... without d5 >> 1. f4 e5 From gambit
A02-A03 -1. f4 >> A02 -1.f4 .... without d5 >> 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 From gambit, Lasker variation
A02-A03 -1. f4 >> A02 -1.f4 .... without d5 >> 1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d4 From gambit, Lipke variation
A02-A03 -1. f4 >> A02 -1.f4 .... without d5 >> 1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4 Opening Bird's Opening, Swiss gambit
A02-A03 -1. f4 >> A02 -1.f4 .... without d5 >> 1. f4 g5 Hobbs gambit
A02-A03 -1. f4 >> A03 -1. f4 d5
A02-A03 -1. f4 >> A03 -1. f4 d5 >> 2. c4 Opening Mujannah Opening
A02-A03 -1. f4 >> A03 -1. f4 d5 >> 2. e4 Williams gambit
A02-A03 -1. f4 >> A03 -1. f4 d5 >> 2. Nf3 g6
A02-A03 -1. f4 >> A03 -1. f4 d5 >> 2. Nf3 Nc6 3. b3
A02-A03 -1. f4 >> A03 -1. f4 d5 >> 2. Nf3 Nf6 3. e3
A02-A03 -1. f4 >> A03 -1. f4 d5 >> 2. Nf3 Nf6 3. e3 c5 Lasker variation
A04-A09 -1. Nf3
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ...
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 b5
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 c5 2. g3
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 d6
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 d6 2. e4 Bg4 Wade defence
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 f5 2. d3 d6
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 f5 2. d3 Nc6
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 f5 2. d3 Nf6 3. e4 Lisitsin gambit deferred
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 f5 2. e4 Pirc-Lisitsin gambit
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 f5 2. g3 Nf6
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 f5 Opening Reti v Dutch
A04-A09 -1. Nf3 >> A04 -1 .Nf3 ... >> 1. Nf3 g5 Herrstroem gambit
A04-A09 -1. Nf3 >> A05 -1. Nf3 Nf6
A04-A09 -1. Nf3 >> A05 -1. Nf3 Nf6 >> 2. e3...
A04-A09 -1. Nf3 >> A05 -1. Nf3 Nf6 >> 2. g3 ...
A04-A09 -1. Nf3 >> A05 -1. Nf3 Nf6 >> 2. g3 b5 Spassky's variation
A04-A09 -1. Nf3 >> A05 -1. Nf3 Nf6 >> 2. g3 g6
A04-A09 -1. Nf3 >> A05 -1. Nf3 Nf6 >> 2. g3 g6 3. b4 Reti-Smyslov variation
A04-A09 -1. Nf3 >> A06 -1. Nf3 d5
A04-A09 -1. Nf3 >> A06 -1. Nf3 d5 >> 2. b3 Nimzovich-Larsen attack
A04-A09 -1. Nf3 >> A06 -1. Nf3 d5 >> 2. b4 Opening Santasiere's folly
A04-A09 -1. Nf3 >> A06 -1. Nf3 d5 >> 2. d3 Old Indian attack
A04-A09 -1. Nf3 >> A06 -1. Nf3 d5 >> 2. e4 Opening Tennison (Lemberg, Zukertort) gambit
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system)
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 g6
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 Bg4 3. Bg2 Nd7 Keres variation
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 c5
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 Pachman system
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 g6 3. c4 Bg7
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 g6 3. c4 dxc4
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 Nf6 3. Bg2 Bf5
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 Nf6 3. d3
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2.g3 Bg4 3.b3
A04-A09 -1. Nf3 >> A07 -1. Nf3 d5 2. g3 King's Indian attack (Barcza system) >> 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4 Yugoslav variation
A04-A09 -1. Nf3 >> A08 -1. Nf3 d5 2. g3 c5 3. Bg2 King's Indian attack
A04-A09 -1. Nf3 >> A08 -1. Nf3 d5 2. g3 c5 3. Bg2 King's Indian attack >> 3. Bg2 Nc6 4. O-O e6 5. d3 Nf6 6. Nbd2 Be7 7. e4 O-O 8.Re1 French variation
A04-A09 -1. Nf3 >> A09 -1. Nf3 d5 2. c4
A04-A09 -1. Nf3 >> A09 -1. Nf3 d5 2. c4 >> 2. c4 dxc4 Opening Reti accepted
A04-A09 -1. Nf3 >> A09 -1. Nf3 d5 2. c4 >> 2. c4 d4 Advance variation
A04-A09 -1. Nf3 >> A09 -1. Nf3 d5 2. c4 >> 2. c4 dxc4 3. e3 Be6 Keres variation
A10 -1. c4
A10 -1. c4 >> 1. c4 b5 Jaenisch gambit
A10 -1. c4 >> 1. c4 b6 2. Nc3 Bb7 3. e4
A10 -1. c4 >> 1. c4 f5 Anglo-Dutch defense
A10 -1. c4 >> 1. c4 g6 2. e4 e5 Adorjan defence
A11-A12 -1. c4 c6
A11-A12 -1. c4 c6 >> A11 -2... Caro-Kann defensive system
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Bg4 Caro-Kann defensive system, Bogolyubov variation
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Nf6 4. Bb2
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Nf6 4. Bb2 Bf5 New York (London) defensive system
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Nf6 4. Bb2 Bg4 Capablanca's variation
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Nf6 4. Bb2 g6 Bled variation
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Nf6 4. g3 Bf5 London defensive system
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Nf6 4. g3 Bg4 Torre defensive system
A11-A12 -1. c4 c6 >> A12 -1. c4 c6 2. Nf3 d5 3. b3 Caro-Kann defensive system >> 3. b3 Nf6 4.g3
A13-A39 -1. c4 e6
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2...
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2... >> 2. Nf3 d5 Agincourt variation
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2... >> 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3 Wimpey system
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2... >> 2. Nf3 d5 3. g3 Agincourt variation
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2... >> 2. Nf3 d5 3. g3 c6 Kurajica defence
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2... >> 2. Nf3 d5 3. g3 Nf6 Neo-Catalan
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2... >> 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 Neo-Catalan accepted
A13-A39 -1. c4 e6 >> A13 - 1.c4 e6 2... >> 2. Nf3 Nf6 3. g3 a6 4. Bg2 b5 Romanishin gambit
A13-A39 -1. c4 e6 >> A14 -1.c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O Neo-Catalan declined
A13-A39 -1. c4 e6 >> A14 -1.c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O Neo-Catalan declined >> 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6 Keres defence
A13-A39 -1. c4 e6 >> A15 -1. c4 Nf6 Anglo-Indian defense
A13-A39 -1. c4 e6 >> A15 -1. c4 Nf6 Anglo-Indian defense >> 2. b4 Opening English orang-utan
A13-A39 -1. c4 e6 >> A15 -1. c4 Nf6 Anglo-Indian defense >> 2. Nf3 Opening English Opening
A13-A39 -1. c4 e6 >> A16 -1. c4 Nf6 2. Nc3
A13-A39 -1. c4 e6 >> A16 -1. c4 Nf6 2. Nc3 >> 2. Nc3 d5 Anglo-Gruenfeld defense
A13-A39 -1. c4 e6 >> A16 -1. c4 Nf6 2. Nc3 >> 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 Czech defense
A13-A39 -1. c4 e6 >> A16 -1. c4 Nf6 2. Nc3 >> 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 Smyslov defense
A13-A39 -1. c4 e6 >> A16 -1. c4 Nf6 2. Nc3 >> 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 Anglo-Gruenfeld defense
A13-A39 -1. c4 e6 >> A17 -1. c4 Nf6 2. Nc3 e6
A13-A39 -1. c4 e6 >> A17 -1. c4 Nf6 2. Nc3 e6 >> 2. Nc3 e6 3. Nf3 Bb4 Nimzo-English Opening
A13-A39 -1. c4 e6 >> A17 -1. c4 Nf6 2. Nc3 e6 >> 3. Nf3 b6 Queens Indian formation
A13-A39 -1. c4 e6 >> A17 -1. c4 Nf6 2. Nc3 e6 >> 3. Nf3 b6 4. e4 Bb7 5. Bd3 Queens Indian, Romanishin variation
A13-A39 -1. c4 e6 >> A18 -1. c4 Nf6 2. Nc3 e6 3. e4 Mikenas-Carls variation
A13-A39 -1. c4 e6 >> A18 -1. c4 Nf6 2. Nc3 e6 3. e4 Mikenas-Carls variation >> 3. e4 d5 4. e5 Flohr variation
A13-A39 -1. c4 e6 >> A18 -1. c4 Nf6 2. Nc3 e6 3. e4 Mikenas-Carls variation >> 3. e4 Nc6 Kevitz variation
A13-A39 -1. c4 e6 >> A19 -1. c4 Nf6 2. Nc3 e6 3. e4 c5 Mikenas-Carls, Sicilian variation
A13-A39 -1. c4 e6 >> A20 -1. c4 e5
A13-A39 -1. c4 e6 >> A20 -1. c4 e5 >> 2. Nf3 Nimzovich variation
A13-A39 -1. c4 e6 >> A20 -1. c4 e5 >> Nimzovich, Flohr variation 2. Nf3 e4
A13-A39 -1. c4 e6 >> A21 -1. c4 e5 2. Nc3
A13-A39 -1. c4 e6 >> A21 -1. c4 e5 2. Nc3 >> 2. Nc3 Bb4 Kramnik-Shirov counterattack
A13-A39 -1. c4 e6 >> A21 -1. c4 e5 2. Nc3 >> 2. Nc3 d6 3. g3 Be6 4. Bg2 Nc6 Troeger defence
A13-A39 -1. c4 e6 >> A21 -1. c4 e5 2. Nc3 >> 2. Nc3 d6 3. g3 c6 Keres variation
A13-A39 -1. c4 e6 >> A21 -1. c4 e5 2. Nc3 >> 2. Nc3 d6 3. Nf3
A13-A39 -1. c4 e6 >> A21 -1. c4 e5 2. Nc3 >> 2. Nc3 d6 3. Nf3 Bg4 Smyslov defence
A13-A39 -1. c4 e6 >> A22 -1. c4 e5 2. Nc3 Nf6
A13-A39 -1. c4 e6 >> A22 -1. c4 e5 2. Nc3 Nf6 >> 3. g3 Carls' Bremen system
A13-A39 -1. c4 e6 >> A22 -1. c4 e5 2. Nc3 Nf6 >> 3. g3 Bb4 Bremen, Smyslov system
A13-A39 -1. c4 e6 >> A22 -1. c4 e5 2. Nc3 Nf6 >> 3. g3 d5 Bremen, reverse Dragon
A13-A39 -1. c4 e6 >> A22 -1. c4 e5 2. Nc3 Nf6 >> 3. Nf3 e4 4. Ng5 b5 Bellon gambit
A13-A39 -1. c4 e6 >> A23 -1. c4 e5 2. Nc3 Nf6 3. g3 c6 Bremen system, Keres variation
A13-A39 -1. c4 e6 >> A24 -1. c4 e5 2. Nc3 Nf6 3. g3 g6 Bremen system
A13-A39 -1. c4 e6 >> A25 -1. c4 e5 2. Nc3 Nc6 Sicilian Reversed
A13-A39 -1. c4 e6 >> A25 -1. c4 e5 2. Nc3 Nc6 Sicilian Reversed >> 3. g3 g6 4. Bg2 Bg7 Closed system
A13-A39 -1. c4 e6 >> A25 -1. c4 e5 2. Nc3 Nc6 Sicilian Reversed >> 3. g3 g6 4. Bg2 Bg7 5. d3 Closed system (without ...d6)
A13-A39 -1. c4 e6 >> A25 -1. c4 e5 2. Nc3 Nc6 Sicilian Reversed >> 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6 Closed, Hort variation
A13-A39 -1. c4 e6 >> A25 -1. c4 e5 2. Nc3 Nc6 Sicilian Reversed >> 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nh6 Closed, Taimanov variation
A13-A39 -1. c4 e6 >> A25 -1. c4 e5 2. Nc3 Nc6 Sicilian Reversed >> 3. g3 g6 4. Bg2 Bg7 5. Rb1
A13-A39 -1. c4 e6 >> A25 -1. c4 e5 2. Nc3 Nc6 Sicilian Reversed >> 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nh6 Taimanov variation
A13-A39 -1. c4 e6 >> A26 -1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed system
A13-A39 -1. c4 e6 >> A26 -1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed system >> 5.Rb1
A13-A39 -1. c4 e6 >> A26 -1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed system >> 6. e4 Botvinnik system
A13-A39 -1. c4 e6 >> A26 -1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed system >> 6. Nf3 Nf6 7. 0-0 0-0 8. Rb1
A13-A39 -1. c4 e6 >> A26 -1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed system >> 6.Nf3 f5 7.0-0 Nf6 8.Rb1
A13-A39 -1. c4 e6 >> A27 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Three knights system
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. a3 Marini variation
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. d3 Capablanca variation
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. d4 e4 Bradley Beach variation
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne5 Nenarokov variation
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. e3
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. e3 Bb4 5. Qc2 Bxc3 Romanishin variation
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5 Stean variation
A13-A39 -1. c4 e6 >> A28 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 Four knights system >> 4. e4 Nimzovich variation
A13-A39 -1. c4 e6 >> A29 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Four knights, kingside Fianchetto
A13-A39 -1. c4 e6 >> A29 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Four knights, kingside Fianchetto >> 4.g3 Bb4
A13-A39 -1. c4 e6 >> A29 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Four knights, kingside Fianchetto >> 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Be6
A13-A39 -1. c4 e6 >> A29 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Four knights, kingside Fianchetto >> 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6
A13-A39 -1. c4 e6 >> A29 -1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Four knights, kingside Fianchetto >> 4.g3 Nd4
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. g3 g6 3. Bg2 Bg7 4.e3 Nc6
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. Nf3 b6 3. g3 Bb7 4. Bg2 e5!?
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 hedgehog system
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8.Qxd4 d6 9. Rd1 a6 10. b3 Nbd7 h
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O g6
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. Nf3 Nf6 3. g3 d5 4.cxd5
A13-A39 -1. c4 e6 >> A30 -1. c4 c5 Symmetrical variation >> 2. Nf3 Nf6 3. g3 d5 4.d4
A13-A39 -1. c4 e6 >> A31 - 1. c4 c5 2. Nf3 Nf6 3. d4 Symmetrical, Benoni formation
A13-A39 -1. c4 e6 >> A32 -1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6
A13-A39 -1. c4 e6 >> A33 -1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6
A13-A39 -1. c4 e6 >> A33 -1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6 >> 6. g3 Qb6 Geller variation
A13-A39 -1. c4 e6 >> A34 -1. c4 c5 2. Nc3
A13-A39 -1. c4 e6 >> A34 -1. c4 c5 2. Nc3 >> 2. Nc3 Nf6 3. g3
A13-A39 -1. c4 e6 >> A34 -1. c4 c5 2. Nc3 >> 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 Rubinstein system
A13-A39 -1. c4 e6 >> A34 -1. c4 c5 2. Nc3 >> 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5 Three knights system
A13-A39 -1. c4 e6 >> A35 -1. c4 c5 2. Nc3 Nc6
A13-A39 -1. c4 e6 >> A35 -1. c4 c5 2. Nc3 Nc6 >> 3. Nf3 Nf6 Four knights system
A13-A39 -1. c4 e6 >> A36 -1. c4 c5 2. Nc3 Nc6 3. g3
A13-A39 -1. c4 e6 >> A36 -1. c4 c5 2. Nc3 Nc6 3. g3 >> 3. g3 g6 4. Bg2 Bg7 ultra-Symmetrical variation
A13-A39 -1. c4 e6 >> A36 -1. c4 c5 2. Nc3 Nc6 3. g3 >> 3. g3 g6 4. Bg2 Bg7 5. e3 e5 Botvinnik system Reversed
A13-A39 -1. c4 e6 >> A36 -1. c4 c5 2. Nc3 Nc6 3. g3 >> 3. g3 g6 4. Bg2 Bg7 5. e4 Botvinnik system
A13-A39 -1. c4 e6 >> A37 -1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3
A13-A39 -1. c4 e6 >> A37 -1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 >> 5 .Nf3 a6
A13-A39 -1. c4 e6 >> A37 -1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 >> 5. Nf3 e5 Botvinnik system Reversed
A13-A39 -1. c4 e6 >> A38 -1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6
A13-A39 -1. c4 e6 >> A38 -1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 >> 6. O-O O-O 7. b3 Main line with b3
A13-A39 -1. c4 e6 >> A38 -1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 >> 6. O-O O-O 7. d3 Main line with d3
A13-A39 -1. c4 e6 >> A39 -1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d4
A40 -1.d4...
A40 -1.d4... >> 1. d4 b5 Opening Polish defence
A40 -1.d4... >> 1. d4 b6 English defence
A40 -1.d4... >> 1. d4 e5 Charlick (Englund) gambit
A40 -1.d4... >> 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5 f6 5. exf6 Nxf6 Englund gambit
A40 -1.d4... >> 1. d4 e6
A40 -1.d4... >> 1. d4 e6 2. c4 b6 Keres defence
A40 -1.d4... >> 1. d4 e6 2. c4 Bb4+ Franco-Indian (Keres) defence
A40 -1.d4... >> 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 Opening Beefeater defence
A40 -1.d4... >> 1. d4 g6 Opening Modern defence
A40 -1.d4... >> 1. d4 Nc6 Lundin (Kevitz-Mikenas) defence
A41-A42 -1.d4 d6
A41-A42 -1.d4 d6 >> A41 -2...
A41-A42 -1.d4 d6 >> A41 -2... >> 2. c4 Opening Old Indian defence
A41-A42 -1.d4 d6 >> A41 -2... >> 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c4 Bg4 Rossolimo variation
A41-A42 -1.d4 d6 >> A41 -2... >> 2. c4 g6 3. Nc3 Bg7 Opening Modern defence
A41-A42 -1.d4 d6 >> A41 -2... >> 2. Nf3 Bg4 Tartakower (Wade) variation
A41-A42 -1.d4 d6 >> A42 -2. c4 g6 3. Nc3 Bg7 4. e4 Averbakh system
A41-A42 -1.d4 d6 >> A42 -2. c4 g6 3. Nc3 Bg7 4. e4 Averbakh system >> 4. e4 c5 5. Nf3 Qa5 Opening Pterodactyl defence
A41-A42 -1.d4 d6 >> A42 -2. c4 g6 3. Nc3 Bg7 4. e4 Averbakh system >> 4. e4 f5 Randspringer variation
A41-A42 -1.d4 d6 >> A42 -2. c4 g6 3. Nc3 Bg7 4. e4 Averbakh system >> 4. e4 Nc6 Kotov variation
A41-A42 -1.d4 d6 >> A42 -2. c4 g6 3. Nc3 Bg7 4. e4 Averbakh system >> 4.e4 c6
A43-A44 -1. d4 c5
A43-A44 -1. d4 c5 >> A43 -2....
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 Nf6 3. Nc3 Qa5 Opening Woozle defence
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 d6 3. Nc3 g6 Schmid's system
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 d6 Opening Old Benoni defence
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 e6 3. e4 Franco-Benoni defence
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 e6 3. e4 exd5 4.exd5 d6 5. g3 Franco-Benoni defence
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 e6 3. e4 exd5 4.exd5 d6 5. Nf3 Franco-Benoni defence
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 f5 Mujannah formation
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 Nf6 3. Nf3 c4 Opening Hawk (Habichd) defence
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 Nf6 3. Nf3 Opening Old Benoni defence
A43-A44 -1. d4 c5 >> A43 -2.... >> 2. d5 Nf6 Opening Old Benoni defence
A43-A44 -1. d4 c5 >> A44 -2. d5 e5 Opening Old Benoni defence
A43-A44 -1. d4 c5 >> A44 -2. d5 e5 Opening Old Benoni defence >> 3. dxe6
A43-A44 -1. d4 c5 >> A44 -2. d5 e5 Opening Old Benoni defence >> 3. e4 d6 Opening Semi-Benoni (`blockade variation')
A45-A50 1.d4 Nf6 2...
A45-A50 1.d4 Nf6 2... >> A45 -2...
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. f4 Opening Canard Opening
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. Bg5 c5 Trompovsky attack
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. Bg5 d5 Trompovsky attack
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. Bg5 e6 Trompovsky attack
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. Bg5 g6 Trompovsky attack
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. Bg5 Ne4 Trompovsky attack
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. f3 d5 3. e4 Opening Blackmar-Diemer gambit
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. f3 d5 3. g4 Opening Gedult attack
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. f3 Opening Paleface attack
A45-A50 1.d4 Nf6 2... >> A45 -2... >> 2. g4 Bronstein gambit
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game >> 2. Nf3 b5
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game >> 2. Nf3 c5 3. c3 e6
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game >> 2. Nf3 e6 3. Bg5 Torre attack
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game >> 2. Nf3 e6 3. Bg5 c5 4. e4 Torre attack, Wagner gambit
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game >> 2. Nf3 e6 3. c3 b6
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game >> 2. Nf3 e6 3. e3 Yusupov-Rubinstein system
A45-A50 1.d4 Nf6 2... >> A46 -2. Nf3 Opening Queen's pawn game >> 2. Nf3 Ne4 Opening Doery defence
A45-A50 1.d4 Nf6 2... >> A47 -2. Nf3 b6 Opening Queen's Indian defence
A45-A50 1.d4 Nf6 2... >> A47 -2. Nf3 b6 Opening Queen's Indian defence >> 3. g3 Bb7 4. Bg2 c5 Marienbad system
A45-A50 1.d4 Nf6 2... >> A47 -2. Nf3 b6 Opening Queen's Indian defence >> 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4 Marienbad system, Berg variation
A45-A50 1.d4 Nf6 2... >> A48 -2. Nf3 g6 Opening King's Indian
A45-A50 1.d4 Nf6 2... >> A48 -2. Nf3 g6 Opening King's Indian >> 3. Bf4 London system
A45-A50 1.d4 Nf6 2... >> A48 -2. Nf3 g6 Opening King's Indian >> 3. Bg5 Torre attack
A45-A50 1.d4 Nf6 2... >> A49 -2. Nf3 g6 3. g3 Fianchetto without c4
A45-A50 1.d4 Nf6 2... >> A50 -2. c4 Opening Queen's pawn game
A45-A50 1.d4 Nf6 2... >> A50 -2. c4 Opening Queen's pawn game >> 2. c4 b6 Opening Queen's Indian Accelerated
A45-A50 1.d4 Nf6 2... >> A50 -2. c4 Opening Queen's pawn game >> 2. c4 Nc6 Opening Kevitz-Trajkovich defence
A51-A52 -1. d4 Nf6 2. c4 e5
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined >> 3. dxe5 Ne4 Fajarowicz variation
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined >> 3. dxe5 Ne4 4. a3 b6 Fajarowicz variation
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined >> 3. dxe5 Ne4 4. a3 d6 Fajarowicz variation
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined >> 3. dxe5 Ne4 4. a3 Nc6 5.Nf3 d6 Fajarowicz variation
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined >> 3. dxe5 Ne4 4. a3 Qh4 Fajarowicz variation
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined >> 3. dxe5 Ne4 4. Qc2 Fajarowicz, Steiner variation
A51-A52 -1. d4 Nf6 2. c4 e5 >> A51 -3.... declined >> 3. dxe5 Ne4 4. Qd4 Fajarowicz variation
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4 >> 4. Bf4 g5!?
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4 >> 4. Bf4 Nc6
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4 >> 4. Nf3 Nc6
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4 >> 4.Bf4 Bb4+ 5.Nd2 d6
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4 >> 4.Bf4 Bb4+ 5.Nd2 Nc6
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4 >> 4.e4 Nxe5 5 f4 Nbc6?
A51-A52 -1. d4 Nf6 2. c4 e5 >> A52 -3. dxe5 Ng4 >> 4.e4 Nxe5 5 f4 Nec6
A53-A55 -1. d4 Nf6 2. c4 d6 >> A53 -3...
A53-A55 -1. d4 Nf6 2. c4 d6 >> A53 -3... >> 3. Nc3 Bf5 Janowski variation
A53-A55 -1. d4 Nf6 2. c4 d6 >> A54 -3. Nc3 e5 Ukrainian variation
A53-A55 -1. d4 Nf6 2. c4 d6 >> A54 -3. Nc3 e5 Ukrainian variation >> 4. e3 Nbd7 5. Bd3 Dus-Khotimirsky variation
A53-A55 -1. d4 Nf6 2. c4 d6 >> A54 -3. Nc3 e5 Ukrainian variation >> 4. Nf3 Ukrainian variation, 4.Nf3
A53-A55 -1. d4 Nf6 2. c4 d6 >> A55 -3. Nc3 e5 4. Nf3 Nbd7 5. e4 Main line
A56 -1. d4 Nf6 2. c4 c5
A56 -1. d4 Nf6 2. c4 c5 >> 3. d5 d6 Hromodka system
A56 -1. d4 Nf6 2. c4 c5 >> 3. d5 e5 4. Nc3 d6 5. e4 g6 King's Indian system
A56 -1. d4 Nf6 2. c4 c5 >> 3. d5 e5 Opening Czech Benoni defence
A56 -1. d4 Nf6 2. c4 c5 >> 3. d5 Ne4 Opening Vulture defence
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4....
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. cxb5 a6 5. f3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. cxb5 a6 5. Nc3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. cxb5 a6 5. Nc3 >> 5. Nc3 axb5 6. e4 b4 7. Nb5 ...
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. cxb5 a6 5. Nc3 >> 5. Nc3 axb5 6. e4 b4 7. Nb5 ... >> 7. Nb5 d6 8.Bc4 Nescafe Frappe attack
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. cxb5 a6 5. Nc3 >> 5. Nc3 axb5 6. e4 b4 7. Nb5 ... >> 7. Nb5 d6 8.Nf3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. cxb5 a6 5. Nc3 >> 5. Nc3 axb5 6. e4 b4 7. Nb5 Nxe4 ?
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. cxb5 a6 5. Nc3 >> 5. Nc3 axb5 6. e4 Qa5 Zaitsev system
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. Nf3 g6 5. cxb5 a6 6...
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. Nf3 g6 5. cxb5 a6 6... >> 6.b6 a5
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. Nf3 g6 5. cxb5 a6 6... >> 6.b6 d6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. Nf3 g6 5. cxb5 a6 6... >> 6.Nc3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4. Nf3 g6 5. cxb5 a6 6... >> 6.Qc2
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Bg5...
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Bg5... >> 4...d6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Bg5... >> 4...g6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Bg5... >> 4...Ne4
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.cxb5 a6 5. b6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.cxb5 a6 5. b6 >> 5. b6 a5
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.cxb5 a6 5. b6 >> 5. b6 Bb7
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.cxb5 a6 5. b6 >> 5. b6 d6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.cxb5 a6 5. b6 >> 5. b6 e6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.cxb5 a6 5. b6 >> 5. b6 Qxb6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Nf3 Bb7
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Nf3 Bb7 >> 5.a4 Qa5+
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Nf3 Bb7 >> 5.b3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A57 -4.... >> 4.Nf3 Bb7 >> 5.Qc2 bxc4 6. e4
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A58 -4. cxb5 a6 5. bxa6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A58 -4. cxb5 a6 5. bxa6 >> 5. 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8.Nd2
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A58 -4. cxb5 a6 5. bxa6 >> 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8.g3 Fianchetto variation
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A58 -4. cxb5 a6 5. bxa6 >> 5...Bxa6 6 g3 d6 7 Bg2 g6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A58 -4. cxb5 a6 5. bxa6 >> 5...g6
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A59 -4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A59 -4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 >> 7. e4 Bxf1 8.Kxf1 d6 9.Nf3 Bg7 10.g3 0-0 11.Rg2 Cbd7 12.h3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A59 -4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 >> 7. e4 Bxf1 8.Kxf1 d6 9.Nf3 Bg7 10.g3 0-0 11.Rg2 Cbd7 12.Re1
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A59 -4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 >> 7. e4 Bxf1 8.Kxf1 d6 9.Nf3 Bg7 10.h3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A59 -4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 >> 7. e4 Bxf1 8.Kxf1 g6 9. g3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A59 -4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 >> 7. e4 Bxf1 8.Kxf1 g6 9. g3 Bg7 10. Kg2 O-O 11. Nf3
A57-59 -1.d4 Nf6 2.c4 c5 3.d5 b5 >> A59 -4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 >> 7. e4 Bxf1 8.Kxf1 g6 9. Nge2
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A60 -4...
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A60 -4... >> 1.c4 e6 2.d4 Nf6 3.Nf3 c5 4.d5 exd5 5.cxd5 b5
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A60 -4... >> 1.d4 Cf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 b5 6.a4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A60 -4... >> 1.d4 Cf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 b5 6.Bg2 d6 7.b4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A60 -4... >> 1.d4 Cf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 b5 6.Bg2 d6 7.Nf3
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A60 -4... >> 1.d4 Cf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 b5 6.Qc2
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A60 -4... >> 4.Nc3 exd5 5.cxd5
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Bf4 a6
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Bf4 Bg7 8.e3
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Bf4 Bg7 8.Qa4+
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Bf4 Bg7 8.Qb3
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Bg5
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Nd2 Bg7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Nd2 Na6
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A61 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 >> 7. Qa4+
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A62 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8.Bg2 O-O Fianchetto variation
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A63 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8.Bg2 O-O 9. O-O Nbd7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A64 -4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8.Bg2 O-O 9. O-O Nbd7 10. Nd2 a6 11. a4 Re8
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A65 -4. Nc3 exd5 5. cxd5 d6 6. e4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A65 -4. Nc3 exd5 5. cxd5 d6 6. e4 >> 6. e4 Be7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A65 -4. Nc3 exd5 5. cxd5 d6 6. e4 >> 6. e4 g6 7. Bd3 Bg7 8. Nge2
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A65 -4. Nc3 exd5 5. cxd5 d6 6. e4 >> 6. e4 g6 7. Bf4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A65 -4. Nc3 exd5 5. cxd5 d6 6. e4 >> 6. e4 g6 7. Bg5
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A65 -4. Nc3 exd5 5. cxd5 d6 6. e4 >> 6. e4 g6 7. f3
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A66 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 pawn storm variation
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A66 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 pawn storm variation >> 7. f4 Bg7 8.e5 dxe5
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A66 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 pawn storm variation >> 7. f4 Bg7 8.e5 Nfd7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A66 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 pawn storm variation >> 7. f4 Qe7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation >> 8. Bb5+ Bd7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation >> 8. Bb5+ Nbd7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation >> 8. Bb5+ Nfd7 9. a4 0-0
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation >> 8. Bb5+ Nfd7 9. a4 a6 10. Bd3
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation >> 8. Bb5+ Nfd7 9. a4 a6 10. Be2
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation >> 8. Bb5+ Nfd7 9. a4 Na6
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A67 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Bb5+ Taimanov variation >> 8. Bb5+ Nfd7 9. Nf3
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A68 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Nf3 O-O Four pawns attack
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A69 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8.Nf3 O-O 9. Be2 Re8 Four pawns attack, Main lin
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.h3 Bg7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 a6 8.a4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 a6 8.Bf4 b5?!
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 a6 8.e4 Bg7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 a6 8.e4 Bg7 9.a4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 a6 8.e4 Bg7 9.Qa4+
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 a6 8.h3 b5
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 Bg4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 Bg7 8.h3 O-O
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A70 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 >> 7.Nf3 Bg7 8.Qa4+Bd7 9.Qb3 Qc7
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A71 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Bg5
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A72 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A73 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O 9. O-O
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A74 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O 9. O-O a6 10. a4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A75 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O 9. O-O a6 10. a4 Bg4
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A76 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O 9. O-O Re8
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A77 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O 9. O-O Re8 10. Nd2
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A78 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O 9. O-O Re8 10. Nd2 Na6
A60-A79 1.d4 Nf6 2.c4 c5 3.d5 e6 >> A79 -4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8.Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3
A80-A99 -1. d4 f5
A80-A99 -1. d4 f5 >> A80 -2....
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. Bg5
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. g4 Krejcik gambit
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. h3 Korchnoi attack
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. Nc3 Nf6 3. g4 Spielmann gambit
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. Nf3 e6 3. Bf4
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. Nf3 e6 3. c4
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. Nf3 Nf6 3. g3 g6
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. Qd3 e6 3. g4 Von Pretzel gambit
A80-A99 -1. d4 f5 >> A80 -2.... >> 2. Qd3 Manhattan (Alapin, Ulvestad) variation
A80-A99 -1. d4 f5 >> A81 -2. g3
A80-A99 -1. d4 f5 >> A81 -2. g3 >> 2. g3 g6 3. Bg2 Bg7 4. Nf3 c6 5. O-O Nh6 Basman system
A80-A99 -1. d4 f5 >> A81 -2. g3 >> 2. g3 g6 3. Bg2 Bg7 4. Nh3 Karlsbad variation
A80-A99 -1. d4 f5 >> A81 -2. g3 >> 2. g3 Nf6 3. Bg2 e6 4. Nh3 Blackburne variation
A80-A99 -1. d4 f5 >> A81 -2. g3 >> 2. g3 Nf6 3. Bg2 g6
A80-A99 -1. d4 f5 >> A82 -2. e4 Staunton gambit
A80-A99 -1. d4 f5 >> A82 -2. e4 Staunton gambit >> 2. e4 d6 Balogh defence
A80-A99 -1. d4 f5 >> A82 -2. e4 Staunton gambit >> 2. e4 fxe4 Staunton gambit
A80-A99 -1. d4 f5 >> A82 -2. e4 Staunton gambit >> 2. e4 fxe4 3. Nc3 Nf6 4. g4 Tartakower variation
A80-A99 -1. d4 f5 >> A82 -2. e4 Staunton gambit >> 2...fxe4 3.Nc3 Nf6 4.f3 d5
A80-A99 -1. d4 f5 >> A83 -2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Staunton gambit, Staunton's line
A80-A99 -1. d4 f5 >> A83 -2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Staunton gambit, Staunton's line >> 4. Bg5 b6 Nimzovich variation
A80-A99 -1. d4 f5 >> A83 -2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Staunton gambit, Staunton's line >> 4. Bg5 c6 Chigorin variation
A80-A99 -1. d4 f5 >> A83 -2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Staunton gambit, Staunton's line >> 4. Bg5 g6 5. f3 Lasker variation
A80-A99 -1. d4 f5 >> A83 -2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Staunton gambit, Staunton's line >> 4. Bg5 g6 5. h4 Alekhine variation
A80-A99 -1. d4 f5 >> A83 -2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Staunton gambit, Staunton's line >> 4. Bg5 Nc6
A80-A99 -1. d4 f5 >> A84 -2. c4
A80-A99 -1. d4 f5 >> A84 -2. c4 >> 2. c4 Nf6
A80-A99 -1. d4 f5 >> A84 -2. c4 >> 2. c4 e6
A80-A99 -1. d4 f5 >> A84 -2. c4 >> 2. c4 e6 3. e4 Staunton gambit deferred
A80-A99 -1. d4 f5 >> A84 -2. c4 >> 2. c4 e6 3. Nc3 Rubinstein variation
A80-A99 -1. d4 f5 >> A84 -2. c4 >> 2. c4 g6 3. Nc3 Nh6 Bladel variation
A80-A99 -1. d4 f5 >> A85 -2. c4 Nf6 3. Nc3 with c4 & Nc3
A80-A99 -1. d4 f5 >> A85 -2. c4 Nf6 3. Nc3 with c4 & Nc3 >> 3 .Nc3 e6
A80-A99 -1. d4 f5 >> A85 -2. c4 Nf6 3. Nc3 with c4 & Nc3 >> 3. Nc3 d6
A80-A99 -1. d4 f5 >> A86 -2. c4 Nf6 3. g3 with c4 & g3
A80-A99 -1. d4 f5 >> A86 -2. c4 Nf6 3. g3 with c4 & g3 >> 2. c4 Nf6 3. g3 g6 Leningrad variation
A80-A99 -1. d4 f5 >> A86 -2. c4 Nf6 3. g3 with c4 & g3 >> 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7 Hort-Antoshin system
A80-A99 -1. d4 f5 >> A87 -2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Leningrad, Main variation
A80-A99 -1. d4 f5 >> A87 -2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Leningrad, Main variation >> 5 .Nf3 d6 6. 0-0 0-0 7. d5
A80-A99 -1. d4 f5 >> A87 -2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Leningrad, Main variation >> 5 .Nf3 d6 6. 0-0 0-0 7. Nc3
A80-A99 -1. d4 f5 >> A88 -2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6 Leningrad, Main variation
A80-A99 -1. d4 f5 >> A89 -2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 Nc6
A80-A99 -1. d4 f5 >> A90 -2. c4 Nf6 3. g3 e6 4. Bg2
A80-A99 -1. d4 f5 >> A90 -2. c4 Nf6 3. g3 e6 4. Bg2 >> 1 d4 d5 2 Nf3 e6 3 g3 f5 4 Bg2 Nf6 5 0-0 Bd6 6 c4 c6
A80-A99 -1. d4 f5 >> A90 -2. c4 Nf6 3. g3 e6 4. Bg2 >> 1. Nf3 f5 2. c4 Nf6 3. Nc3 e6 4. g3 d5
A80-A99 -1. d4 f5 >> A90 -2. c4 Nf6 3. g3 e6 4. Bg2 >> 4. Bg2 Bb4+ Dutch-Indian (Nimzo-Dutch) variation
A80-A99 -1. d4 f5 >> A90 -2. c4 Nf6 3. g3 e6 4. Bg2 >> 4. Bg2 Bb4+ 5. Bd2 Be7 Alekhine variation
A80-A99 -1. d4 f5 >> A91 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7
A80-A99 -1. d4 f5 >> A92 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O
A80-A99 -1. d4 f5 >> A92 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O >> 6. O-O d5 7. Nc3 Stonewall with Nc3
A80-A99 -1. d4 f5 >> A92 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O >> 6. O-O d5 Stonewall variation
A80-A99 -1. d4 f5 >> A92 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O >> 6. O-O Ne4 Alekhine variation
A80-A99 -1. d4 f5 >> A93 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 Stonewall, Botwinnik variation
A80-A99 -1. d4 f5 >> A94 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3 Stonewall with Ba3
A80-A99 -1. d4 f5 >> A95 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 Stonewall with Nc3
A80-A99 -1. d4 f5 >> A95 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 Stonewall with Nc3 >> 8.Qc2 Qe8 9. Bg5 Chekhover variation
A80-A99 -1. d4 f5 >> A96 - 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 Classical variation
A80-A99 -1. d4 f5 >> A97 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 Ilyin-Genevsky variation
A80-A99 -1. d4 f5 >> A97 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 Ilyin-Genevsky variation >> 8.Re1 Winter variation
A80-A99 -1. d4 f5 >> A98 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8.Qc2 Ilyin-Genevsky variati
A80-A99 -1. d4 f5 >> A99 -2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8.b3 Ilyin-Genevsky variatio
B00 -1.e4 ...
B00 -1.e4 ... >> 1. e4 a5 Opening Corn stalk defence
B00 -1.e4 ... >> 1. e4 a6 Opening St. George (Baker) defence
B00 -1.e4 ... >> 1. e4 b6 2. d4 Ba6 Opening Guatemala defence
B00 -1.e4 ... >> 1. e4 b6 Opening Owen defence
B00 -1.e4 ... >> 1. e4 f5 Opening Fred
B00 -1.e4 ... >> 1. e4 f6 2. d4 Kf7 Opening Fried fox defence
B00 -1.e4 ... >> 1. e4 f6 Opening Barnes defence
B00 -1.e4 ... >> 1. e4 g5 Opening Reversed Grob (Borg/Basman defence/macho Grob)
B00 -1.e4 ... >> 1. e4 h6 Opening Carr's defence
B00 -1.e4 ... >> 1. e4 Na6 Opening Lemming defence
B00 -1.e4 ... >> 1. e4 Nc6 Nimzovich defence
B00 -1.e4 ... >> 1. e4 Nc6 2. b4 Nxb4 3. c3 Nc6 4. d4 Nimzovich defence, Wheeler gambit
B00 -1.e4 ... >> 1. e4 Nc6 2. d4 Nimzovich defence
B00 -1.e4 ... >> 1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Nimzovich defence, Marshall gambit
B00 -1.e4 ... >> 1. e4 Nc6 2. d4 d5 3. Nc3 Nimzovich defence, Bogolyubov variation
B00 -1.e4 ... >> 1. e4 Nc6 2. d4 f6 Neo-Mongoloid defence
B00 -1.e4 ... >> 1. e4 Nc6 2. Nf3 Nimzovich defence
B00 -1.e4 ... >> 1. e4 Nc6 2. Nf3 f5 Colorado counter
B00 -1.e4 ... >> 1. e4 Nh6 2. d4 g6 3. c4 f6 Opening Hippopotamus defence
B01 -1. e4 d5
B01 -1. e4 d5 >> 2. exd5 Nf6 3. c4 c6
B01 -1. e4 d5 >> 2. exd5 Nf6 3. c4 e6 Icelandic gambit
B01 -1. e4 d5 >> 2. exd5 Nf6 3. d4
B01 -1. e4 d5 >> 2. exd5 Nf6 3. d4 g6 Richter variation
B01 -1. e4 d5 >> 2. exd5 Nf6 3. d4 Nxd5 Marshall variation
B01 -1. e4 d5 >> 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4 Kiel variation
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4. b4 Mieses-Kotrvc gambit
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Anderssen counter-attack, Goteborg system
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4 Anderssen counter-attack, Collijn variation
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Ne5 c6 7. g4 Gruenfeld variation
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Lasker variation
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qd8
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nf3 Bg4
B01 -1. e4 d5 >> 2.exd5 Nf6 3.Bb5
B01 -1. e4 d5 >> 2.exd5 Nf6 3.Be2
B01 -1. e4 d5 >> 2.exd5 Nf6 3.d4 Bg4
B01 -1. e4 d5 >> 2.exd5 Nf6 3.Nf3
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4.d4 Nf6 5.Bc4
B01 -1. e4 d5 >> 2. exd5 Qxd5 3. Nc3 Qa5 4.d4 Nf6 5.Nf3
B01 -1. e4 d5 >> 3. Nc3 Qa5 4. d4 e5 Anderssen counter-attack
B01 -1. e4 d5 >> 3. Nc3 Qa5 4. d4 e5 5. dxe5 Bb4 6. Bd2 Nc6 7. Nf3 Anderssen counter-attack Orthodox attack
B02-B05 -1. e4 Nf6
B02-B05 -1. e4 Nf6 >> B02 -2...
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. Bc4 Krejcik variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. d3 Maroczy variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Nd5 3. b3 Welling variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3 Kmoch variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Nd5 3. c4 Nb6 4. b3 Steiner variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Nd5 3. c4 Nb6 4. c5 Two pawns' (Lasker's) attack
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6 Two pawns' attack, Mikenas variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Nd5 3. Nc3 Saemisch attack
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Nd5 Opening Alekhine's defence
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Ne4 Mokele Mbembe (Buecker) variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. e5 Ng8 Brooklyn defence
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. Nc3 d5 Scandinavian variation
B02-B05 -1. e4 Nf6 >> B02 -2... >> 2. Nc3 d5 3. e5 Nfd7 4. e6 Spielmann variation
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 b5 O'Sullivan gambit
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. Bc4 Balogh variation
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. exd6 Exchange variation
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Be2 Bg7 8.O-O O-O 9. h3 Nc6 10. Nc3 Bf5 11. Bf4 Ex
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 Four pawns attack
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 Bf5 Four pawns attack, Trifunovic variation
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 Bf5 6.Nc3 dxe5 7.fxe5 e6 8.Nf3 anti adams
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8.Nf3 Be7 9. Be2 O-O 10. O-O f6 Four pawns a
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 Four pawns attack
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8.Nc3 e6 9. Nf3 Be7
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8.Nc3 e6 9. Nf3 Bg4
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8.Nc3 e6 9. Nf3 Qd7 10. Be2 O-O-O 11. O-O B
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8.e6 fxe6 9. c5 Four pawns attack, Ilyin-G
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 g5 Four pawns attack, Planinc variation
B02-B05 -1. e4 Nf6 >> B03 -2. e5 Nd5 3. d4 >> 3. d4 d6 4. c4 Nb6 5. f4 g6 Four pawns attack, Fianchetto variation
B02-B05 -1. e4 Nf6 >> B04 -2. e5 Nd5 3. d4 d6 4. Nf3 Modern variation
B02-B05 -1. e4 Nf6 >> B04 -2. e5 Nd5 3. d4 d6 4. Nf3 Modern variation >> 4. Nf3 c6
B02-B05 -1. e4 Nf6 >> B04 -2. e5 Nd5 3. d4 d6 4. Nf3 Modern variation >> 4. Nf3 dxe5 Larsen variation
B02-B05 -1. e4 Nf6 >> B04 -2. e5 Nd5 3. d4 d6 4. Nf3 Modern variation >> 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4 Keres variation
B02-B05 -1. e4 Nf6 >> B04 -2. e5 Nd5 3. d4 d6 4. Nf3 Modern variation >> 4. Nf3 g6 Fianchetto variation
B02-B05 -1. e4 Nf6 >> B04 -2. e5 Nd5 3. d4 d6 4. Nf3 Modern variation >> 4. Nf3 Nb6 Schmid variation
B02-B05 -1. e4 Nf6 >> B04 -2. e5 Nd5 3. d4 d6 4. Nf3 Modern variation >> 4. Nf3 Nc6
B02-B05 -1. e4 Nf6 >> B05 -2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 Modern variation, 4...Bg4
B02-B05 -1. e4 Nf6 >> B05 -2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 Modern variation, 4...Bg4 >> 5. Be2 c6 Flohr variation
B02-B05 -1. e4 Nf6 >> B05 -2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 Modern variation, 4...Bg4 >> 5. c4 Alekhine variation
B02-B05 -1. e4 Nf6 >> B05 -2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 Modern variation, 4...Bg4 >> 5. c4 Nb6 6. d5 Vitolins attack
B02-B05 -1. e4 Nf6 >> B05 -2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 Modern variation, 4...Bg4 >> 5. h3 Panov variation
B02-B05 -1. e4 Nf6 >> B05 -2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 Modern variation, 4...Bg4 >> 5 .Be2 e6
B06 -1. e4 g6
B06 -1. e4 g6 >> 2. d4 Bg7 3. f4 Opening Robatsch defence Three pawns attack
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5 Gurgenidze variation
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be3
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 d6
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 d6 4. f4 Pseudo-Austrian attack
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 d6 4. Nf3 Two knights variation
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6 Two knights, Suttles variation
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 d6 4.Be3 a6 5.f4 b5
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 d6 4.Be3 a6 5.Qd2 Nbd7
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 d6 4.Be3 c6
B06 -1. e4 g6 >> 2. d4 Bg7 3. Nc3 Opening Robatsch defence
B06 -1. e4 g6 >> 2. d4 Bg7 Opening Robatsch (Modern) defence
B06 -1. e4 g6 >> 2. d4 Nf6 3. e5 Nh5 4. g4 Ng7 Opening Norwegian defence
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. Be2 Bg7 5. h4 bayonet (Mariotti) attack
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07- 3.Nc3 g6 4. Nge2
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 c6 Ufimtsev-Pytel variation
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 e5
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. Bc4 Holmov system
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. Be2
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. Be2 Bg7 5. g4 Chinese variation
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. Be3 ....
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. Be3 c6 5. Qd2 150 attack
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. Bg5 Byrne variation
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nc3 g6 4. g3 Sveshnikov system
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B07 -3. Nf3 d6 4. c3 Geller's system
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B08 -3. Nc3 g6 4. Nf3 Classical (Two knights) system
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B08 -3. Nc3 g6 4. Nf3 Bg7 Classical (Two knights) system
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B08 -3. Nc3 g6 4. Nf3 Bg7 5. Be2
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B08 -3. Nc3 g6 4. Nf3 Bg7 5. h3 Classical, h3 system
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B08 -3. Nc3 g6 4. Nf3 Bg7 5. Be3
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Bc4 Austrian attack, Ljubojevic variation
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 c5 Austrian attack, Dragon formation
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O Austrian attack
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Austrian attack, 6.Bd3
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 b6 7.e5
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 b6 7.Qd2 Bb7
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 b6 7.Qd2 c5
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 c6
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 Na6
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 Nbd7
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 Nc6
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 4. f4 Bg7 5. Nf3 O-O 6. Be3 Ng4
B07-B09 -1. e4 d6 2. d4 Nf6 3. Nc3 >> B09 -3. Nc3 g6 4. f4 >> 5. Nf3 O-O 6. e5 Austrian attack, 6.e5
B10-B19 -1.e4 c6
B10-B19 -1.e4 c6 >> B10 -2...
B10-B19 -1.e4 c6 >> B10 -2... >> 2. Bc4 Hillbilly attack
B10-B19 -1.e4 c6 >> B10 -2... >> 2. c4 Anti-Caro-Kann defence
B10-B19 -1.e4 c6 >> B10 -2... >> 2. c4 d5 Anti-anti-Caro-Kann defence
B10-B19 -1.e4 c6 >> B10 -2... >> 2. d3 Closed (Breyer) variation
B10-B19 -1.e4 c6 >> B10 -2... >> 2. Nc3
B10-B19 -1.e4 c6 >> B10 -2... >> 2. Nc3 d5 3. Nf3 Two knights variation
B10-B19 -1.e4 c6 >> B10 -2... >> 2. Nc3 d5 3. Qf3 GOldman (Spielmann) variation
B10-B19 -1.e4 c6 >> B11 -2. Nc3 d5 3. Nf3 Bg4 Two knights, 3...Bg4
B10-B19 -1.e4 c6 >> B11 -2. Nc3 d5 3. Nf3 Bg4 Two knights, 3...Bg4 >> 4. h3 Bh5
B10-B19 -1.e4 c6 >> B11 -2. Nc3 d5 3. Nf3 Bg4 Two knights, 3...Bg4 >> 4. h3 Bxf3
B10-B19 -1.e4 c6 >> B12 -2. d4
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. e5 Advance variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. e5 c5 Advance variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be2 Advance, Short variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. e5 Bf5 4.Nc3 e6 5.g4 Bg6 6.Nge2 Advance variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. e5 Bf5 4.Nf3 e6 5.Be2 Advance variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. e5 Bf5 4.Nf3 e6 5.g4 Advance variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. e5 Nc6 Advance variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. f3 Tartakower (fantasy) variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. Nd2
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 d5 3. Nd2 Qb6 Edinburgh variation
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 Na6 3. Nc3 Nc7 Opening de Bruycker defence
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 2. d4 Nf6 Opening Caro-Masi defence
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 4. c3 e6 5. Be3 Qb6 6.Qb3
B10-B19 -1.e4 c6 >> B12 -2. d4 >> 4.Nc3 Qb6 5.Nf3 e6
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Rubinstein variation
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. c4 Panov-Botvinnik attack
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. c4 Nf6 5. c5 Panov-Botvinnik, Gunderam attack
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Panov-Botvinnik attack
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 dxc4 7. d5 Na5 Panov-Botvinnik, Herzog defence
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 Panov-Botvinnik, normal variation
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5 Panov-Botvinnik, Czerniak variation
B10-B19 -1.e4 c6 >> B13 -2. d4 d5 3. exd5 Exchange variation >> 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Qb6 Panov-Botvinnik, Reifir (Spielmann) variation
B10-B19 -1.e4 c6 >> B14 -2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 ... Panov-Botvinnik attack
B10-B19 -1.e4 c6 >> B14 -2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 ... Panov-Botvinnik attack >> 5. Nc3 e6
B10-B19 -1.e4 c6 >> B14 -2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 ... Panov-Botvinnik attack >> 5. Nc3 g6
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3 >> 3. Nc3 b5 Gurgenidze counter-attack
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3 >> 3. Nc3 dxe4 4. f3 Rasa-Studier gambit
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3 >> 3. Nc3 dxe4 4. Nxe4
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3 >> 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3 Alekhine gambit
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3 >> 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 Tartakower (Nimzovich) variation
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3 >> 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Forgacs variation
B10-B19 -1.e4 c6 >> B15 -2. d4 d5 3. Nc3 >> 3. Nc3 g6 Gurgenidze system
B10-B19 -1.e4 c6 >> B16 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 Bronstein-Larsen variation
B10-B19 -1.e4 c6 >> B16 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 Bronstein-Larsen variation >> 6. Bc4
B10-B19 -1.e4 c6 >> B17 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 Steinitz variation
B10-B19 -1.e4 c6 >> B17 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 Steinitz variation >> 5. Ng5 Ngf6 6. Bd3 e6 7.N1f3
B10-B19 -1.e4 c6 >> B17 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 Steinitz variation >> 5. Ng5 Ngf6 6. Bd3 e6 7.Qe2
B10-B19 -1.e4 c6 >> B18 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 Classical variation
B10-B19 -1.e4 c6 >> B18 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 Classical variation >> 5. Ng3 Bg6 6. f4 Maroczy attack
B10-B19 -1.e4 c6 >> B18 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 Classical variation >> 5. Ng3 Bg6 6. h4 Maroczy attack
B10-B19 -1.e4 c6 >> B18 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 Classical variation >> 5. Ng3 Bg6 6. Nf3
B10-B19 -1.e4 c6 >> B18 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 Classical variation >> 5. Ng3 Bg6 6. Nh3 Flohr variation
B10-B19 -1.e4 c6 >> B19 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 Classical,
B10-B19 -1.e4 c6 >> B19 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 Classical, >> 8. Ne5
B10-B19 -1.e4 c6 >> B19 -2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 Classical, >> 8.h5 Spassky variation
B20-B99 -1. e4 c5
B20-B99 -1. e4 c5 >> B20 - B29 2....
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2...
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. b3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. b4 wing gambit
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. g3 Steinitz variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. Ne2 Keres variation (2.Ne2)
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2.Bc4
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. b4 cxb4 3. a3 bxa3 wing gambit, Carlsbad variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2 wing gambit, Marienbad variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. b4 cxb4 3. a3 wing gambit, Marshall variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. b4 cxb4 3. c4 wing gambit, Santasiere variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B20 -1. e4 c5 2... >> 2. c4 d6 3. Nc3 Nc6 4. g3 h5 Gloria variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B21 -1. e4 c5 2... Grand Prix attack Smith-Morra gambit
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B21 -1. e4 c5 2... Grand Prix attack Smith-Morra gambit >> 2. d4 Smith-Morra gambit
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B21 -1. e4 c5 2... Grand Prix attack Smith-Morra gambit >> 2. f4 Grand Prix attack
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B21 -1. e4 c5 2... Grand Prix attack Smith-Morra gambit >> 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. O-O a6 8.Qe2 b5 9. Bb3 Ra7 Smith-Morra
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B21 -1. e4 c5 2... Grand Prix attack Smith-Morra gambit >> 2. d4 cxd4 3. c3 Smith-Morra gambit
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B21 -1. e4 c5 2... Grand Prix attack Smith-Morra gambit >> 2. d4 cxd4 3. Nf3 e5 4. c3 Andreaschek gambit
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3)
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2 .c3 Nf6 3.Qa4
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. Qxd4?
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2. c3 d6 3. d4 Nf6 4. Bd3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2. c3 Nc6 3. Nf3 d6 4. d4 cxd4 5. cxd4
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 d5 3.exd5 Nf6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 d5 3.exd5 Qxd5 4.d4 g6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.N
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 Cc6 6.Cf3 e6 7.a3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Qa5 3.Ca3 d6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Qa5 3.f4 d5
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Qa5 3.Nf3 Nc6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 Bg4
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 e6 6.Ae3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 Cc6 6.Cf3 e6 7.Cc3 Cxc3 8.bxc3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 Nc6 6.Bc4 Nb6 7.Bb3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Nf6 3.e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2.c3 Nf6 3.e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3 Heidenfeld variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2. Nf3 e6 3. c3 d5 4. e5 Nd5
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B22 -1. e4 c5 2. c3 Alapin's variation (2.c3) >> 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2. Nc3 Nc6 Closed, 2...Nc6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2.Nc3 Nc6 3.Bb5 Nd4 4.Ba4!? a6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2.Nc3 Nc6 3.Bb5 Nd4 4.Bc4
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2.Nc3 Nc6 3.Bb5 Nd4 4.Ba4!? g6 5. f4 Bg7
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2.Nc3 Nc6 3.Bb5 Nd4 4.Ba4!? g6 5. Nf3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2. Nc3 e6 3. g3 d5 Closed, Korchnoi variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2. Nc3 Nc6 3. f4 e6 Grand Prix attack
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2. Nc3 Nc6 3. f4 Grand Prix attack system with g6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2. Nc3 Nc6 3. Nge2 chameleon variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B23 -1. e4 c5 2. Nc3 Closed >> 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Grand Prix attack, Schofman variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B24 -1. e4 c5 2. Nc3 Nc6 3. g3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B24 -1. e4 c5 2. Nc3 Nc6 3. g3 >> 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2 Closed, Smyslov variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B25 -1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B25 -1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed >> 6. f4
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B25 -1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed >> 6. f4 e5
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B25 -1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed >> 6.Nge2 e6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B25 -1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed >> 6.Nh3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B25 -1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Closed >> 6. Nge2 e5 (Botvinnik)
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B26 -1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Closed, 6.Be3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B27 -1. e4 c5 2. Nf3
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B27 -1. e4 c5 2. Nf3 >> 2. Nf3 b6 Katalimov variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B27 -1. e4 c5 2. Nf3 >> 2. Nf3 g6 Hungarian variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B27 -1. e4 c5 2. Nf3 >> 2. Nf3 Qc7 Quinteros variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B27 -1. e4 c5 2. Nf3 >> 2. Nf3 g6 3. c4 Bh6 Acton extension
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B27 -1. e4 c5 2. Nf3 >> 2. Nf3 Qa5 Stiletto (Althouse) variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B28 -1. e4 c5 2. Nf3 a6 O'Kelly
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B29 -1. e4 c5 2. Nf3 Nf6 Nimzovich-Rubinstein variation
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B29 -1. e4 c5 2. Nf3 Nf6 Nimzovich-Rubinstein variation >> 3.e5 Nd5 4.Ng5 !?
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B29 -1. e4 c5 2. Nf3 Nf6 Nimzovich-Rubinstein variation >> 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6.d4 Nc6
B20-B99 -1. e4 c5 >> B20 - B29 2.... >> B29 -1. e4 c5 2. Nf3 Nf6 Nimzovich-Rubinstein variation >> 3. Nc3 Nc6 4.e5
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3...
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3. b3 e5
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3. Nc3 e6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3.Bb5 e6 4.0-0 Nge7 Nimzovich-Rossolimo attack (without ...d6)
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3.Bb5 e6 4.Bc4 d6 Nimzovich-Rossolimo attack (without ...d6)
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3.Bb5 e6 4.Bxc6 bxc6 Nimzovich-Rossolimo attack (without ...d6)
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3.Bb5 Nf6 Nimzovich-Rossolimo attack (without ...d6)
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3.Nc3 Nc6 4.Bb5 Nd4 5.0-0 Nimzovich-Rossolimo attack (without ...d6)
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3. Nc3 e5 4.Bc4 d6 5.d3 Be7 6.0-0
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B30 -3... >> 3. Nc3 e5 4.Bc4 d6 5.d3 Be7 6.Nd2
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6)
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6) >> 4. Bxc6 bxc6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6) >> 4. Bxc6 dxc6 ?
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6) >> 4. O-O Bg7 5. c3 Cf6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6) >> 4. O-O Bg7 5. c3 e5
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6) >> 4. O-O Bg7 5. Re1 e5 6.Bxc6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6) >> 4. O-O Bg7 5. Re1 Nf6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B31 -3. Bb5 g6 Nimzovich-Rossolimo attack (with g6, without d6) >> 4. O-O Bg7 5. Re1 e5 6. b4 Gurgenidze variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B32 -3. d4
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B32 -3. d4 >> 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B32 -3. d4 >> 3. d4 cxd4 4. Nxd4 d5 Nimzovich variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B32 -3. d4 >> 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 Labourdonnais-Loewenthal (Kalashnikov) variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B32 -3. d4 >> 3. d4 cxd4 4. Nxd4 e5 Labourdonnais-Loewenthal variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B32 -3. d4 >> 3. d4 cxd4 4. Nxd4 Qc7 Flohr variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7.Na3 b5
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 4.Nxd4 Qb6 5.Nb3 Nf6 6.Nc3 e6 7.Bd3
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 4.Nxd4 Qb6 5.Nb3 Nf6 6.Nc3 e6 7.a3 Be7
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 4.Nxd4 Qb6 5.Nb3 Nf6 6.Nc3 e6 7.Qe2
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5.Nc3 e5 6.f3 a6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5.Nc3 e5 6.Ndb5 h6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5.Nc3 e5 6.Ndb5 d6 7 Nd5 Nxd5 8 exd5 Nb8 9 Qf3
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5.Nc3 e5 Pelikan (Lasker/Sveshnikov) variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9.Bxf6 gxf6 10.Nd5 f5
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Nb5 b5 9.Nd5
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 9.Nxf6 gxf6 10.Nd5 Bg7
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7.a4
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.Bxf6
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B33 -3. d4 cxd4 4. Nxd4 Nf6 >> 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.Na3 f5
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B34 -3. d4 cxd4 4. Nxd4 g6 5... Accelerated Fianchetto
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B34 -3. d4 cxd4 4. Nxd4 g6 5... Accelerated Fianchetto >> 5. Nc3 Modern variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B34 -3. d4 cxd4 4. Nxd4 g6 5... Accelerated Fianchetto >> 5.Nxc6 Exchange variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B35 -3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Modern variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B36 -3. d4 cxd4 4. Nxd4 g6 5. c4 Accelerated Fianchetto, Maroczy bind
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B36 -3. d4 cxd4 4. Nxd4 g6 5. c4 Accelerated Fianchetto, Maroczy bind >> 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 Gurgenidze variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B36 -3. d4 cxd4 4. Nxd4 g6 5. c4 Accelerated Fianchetto, Maroczy bind >> 5.c4 Nf6 6.c3 d6 7.Be2 Nxd4 8.Qxd4 Bg7
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B36 -3. d4 cxd4 4. Nxd4 g6 5. c4 Accelerated Fianchetto, Maroczy bind >> 5.c4 Nf6 6.Nc3 Nxd4 7.Qxd4 d6 8.Be2
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B37 -3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 Accelerated Fianchetto, Maroczy bind, 5...Bg7
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B37 -3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 Accelerated Fianchetto, Maroczy bind, 5...Bg7 >> 6. Nc2 d6 7. Be2 Nh6 Simagin variation
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B37 -3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 Accelerated Fianchetto, Maroczy bind, 5...Bg7 >> 6.Nb3
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B38 -3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Accelerated Fianchetto, Maroczy bind, 6.Be3
B20-B99 -1. e4 c5 >> B30 - B39 2.Nf3 Nc6 >> B39 -3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 Accelerated Fianchetto, Breyer varia
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3...
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Bc5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3. b3
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3. d4 cxd4
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3. d4 cxd4 4. Nxd4 Nf6 Anderssen variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 Pin variation (Sicilian counter-attack)
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e5 Pin, Jaffe variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Pin, Koch variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3. d4 d5 Marshall variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3.d3
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B40 -2. Nf3 e6 3... >> 3.d4 cxd4 4.Nxd4 Qb6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B41 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 Kan variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B41 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 Kan variation >> 5. c4 Kan, Maroczy bind (Reti variation)
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B41 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 Kan variation >> 5. c4 Kan, Maroczy bind (Reti variation) >> 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8.a3
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B41 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 Kan variation >> 5. c4 Kan, Maroczy bind (Reti variation) >> 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8.Bc2 Kan, Maroczy bind - Bronstein variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5 .Bd3 Nf6 6.0-0 d6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5 .Bd3 Nf6 6.0-0 Qc7
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 Bc5 Polugaievsky variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 g6 Swiss cheese variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 Ne7
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 Nf6 6. O-O d6 7. c4 ...
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 Nf6 6. O-O d6 7. c4 g6 Gipslis variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 Qb6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 Qc7 without Nc3
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B42 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Kan, 5.Bd3 >> 5. Bd3 Nc6 6.Nxc6 ..xc6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3 >> 5.Nc3 b5 6.Bd3 Bb7
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3 >> 5.Nc3 b5 6.Bd3 Bc5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3 >> 5.Nc3 b5 6.Bd3 d6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3 >> 5.Nc3 b5 6.Bd3 Qb6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3 >> 5.Nc3 Qc7 6.Bd3 Bc5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3 >> 5.Nc3 Qc7 6.Bd3 Nc6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B43 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Kan, 5.Nc3 >> 5.Nc3 Qc7 6.Bd3 Nf6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B44 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B44 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 >> 5. Nb5 Szen (`anti-Taimanov') variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B44 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 >> 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8.Na3 Be7 9. Be2 O-O 10. O-O b6 Szen, hedgehog variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B44 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 >> 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8.Na3 d5 Szen variation, Dely-Kasparov gambit
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B44 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 >> 6. Bf4 e5 7. Be3 Be6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B44 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 >> 6. Bf4 e5 7. Be3 f5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B44 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 >> 6. Bf4 e5 7. Be3 Nf6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B45 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Taimanov variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B45 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Taimanov variation >> 5. Nc3 Nf6 6. Ndb5 Bb4 7. Nd6+ American attack
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B45 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Taimanov variation >> 5. Nc3 Nf6 6.Ndb5 Bb4
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B45 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Taimanov variation >> 5. Nc3 Nf6 6.Nxc6 bxc6 7.Bd3
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B45 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Taimanov variation >> 5. Nc3 Nf6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 Bb7
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B45 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Taimanov variation >> 5. Nc3 Nf6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 f5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B45 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Taimanov variation >> 5. Nc3 Nf6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 Qc7
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B46 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 Taimanov variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B46 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 Taimanov variation >> 6.Bd3 Qc7 7.Nxc6 bxc6 8.0-0 Nf6 9.Qe2 Bd6 10.f4 e5 11.Kh1
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B46 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 Taimanov variation >> 6.Be2 Nge7
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B46 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 Taimanov variation >> 6.g3 a6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B46 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 Taimanov variation >> 6.g3 Nxd4
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B47 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 Taimanov (Bastrikov) variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B47 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 Taimanov (Bastrikov) variation >> 6 .g3 a6
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B47 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 Taimanov (Bastrikov) variation >> 6.Be2 a6 7.0-0 b5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B47 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 Taimanov (Bastrikov) variation >> 6.Be2 a6 7.0-0 Cf6 8.Rh1 b5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B47 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 Taimanov (Bastrikov) variation >> 6.Be2 a6 7.0-0 Cf6 8.Rh1 Bb4
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B47 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 Taimanov (Bastrikov) variation >> 6.Be2 a6 7.0-0 Cf6 8.Rh1 Nxd4
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B48 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Taimanov variation
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B48 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Taimanov variation >> 6...a6 7.O-O Nf6 8.Bd3 b5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B48 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Taimanov variation >> 6...a6 7.O-O Nf6 8.Bd3 h5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B48 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Taimanov variation >> 6...a6 7.O-O Nf6 8.Bd3 Ne5
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B48 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Taimanov variation >> 6..a6 7.Qd2 Nf6 8.0-0-0 Bb4
B20-B99 -1. e4 c5 >> B40 - B49 2.Nf3 e6 >> B49 -2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Taimanov variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3...
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B50 -3...
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B50 -3... >> 3. b4 wing gambit deferred
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B50 -3... >> 3.b3
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B50 -3... >> 3.Bc4
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B50 -3... >> 3.c3 Nf6 4.Bd3
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B50 -3... >> 3.c3 Nf6 4.Be2
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B51 -3. Bb5+ Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B51 -3. Bb5+ Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack >> 3. Bb5+ d6
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B51 -3. Bb5+ Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack >> 3. Bb5+ Nc6
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B51 -3. Bb5+ Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack >> 3. Bb5+ Nd7 4.d4 Ngf6 5.Nc3 a6
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B51 -3. Bb5+ Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack >> 3. Bb5+ Nd7 4.d4 Ngf6 5.Nc3 cxd4
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B52 -3. Bb5+ Bd7 Canal-Sokolsky attack, 3...Bd7
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B52 -3. Bb5+ Bd7 Canal-Sokolsky attack, 3...Bd7 >> 4. Bxd7+ Nxd7 5. O-O Nc6 6. d3
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B52 -3. Bb5+ Bd7 Canal-Sokolsky attack, 3...Bd7 >> 4. Bxd7+ Qxd7 5. O-O Nc6 6. b3
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B52 -3. Bb5+ Bd7 Canal-Sokolsky attack, 3...Bd7 >> 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 d5
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B52 -3. Bb5+ Bd7 Canal-Sokolsky attack, 3...Bd7 >> 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4 Bronstein gambit
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B52 -3. Bb5+ Bd7 Canal-Sokolsky attack, 3...Bd7 >> 4. Fxd7+ Dxd7 5. c4 Sokolsky variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B53 -3. d4 cxd4 4. Qxd4 Chekhover variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B53 -3. d4 cxd4 4. Qxd4 Chekhover variation >> 4. Qxd4 Nc6 5. Bb5 Qd7 Zaitsev variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B54 -3. d4 cxd4 4. Nxd4
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B54 -3. d4 cxd4 4. Nxd4 >> 4. Nxd4 Nc6
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B54 -3. d4 cxd4 4. Nxd4 >> 4. Nxd4 Nf6 5. f3 Prins (Moscow) variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B55 -3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+ Prins variation, Venice attack
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B56 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B56 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 >> 5. Nc3 e5 6. Bb5+ Venice attack
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B56 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 >> 5. Nc3 Nc6
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B57 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B57 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 >> 6. Bc4 e5
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B57 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 >> 6. Bc4 g6 7. 0-0
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B57 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 >> 6. Bc4 g6 7. Nxc6 bxc6 8. e5 Magnus Smith trap
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B57 -3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 >> 6. Bc4 Qb6 Sozin, Benko variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B58 -2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Classical
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B58 -2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Classical >> 6. Be2 e5 Boleslavsky variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B58 -2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Classical >> 6. Be2 e5 7. Nxc6 Boleslavsky, Louma variation
B20-B99 -1. e4 c5 >> B50 - B59 2.Nf3 d6 3... >> B59 -2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Boleslavsky variation, 7.Nb3
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B60 -6. Bg5 ....
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B60 -6. Bg5 .... >> 6. Bg5 Bd7 Larsen variation
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B60 -6. Bg5 .... >> 6. Bg5 g6 Bondarevsky variation
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B61 -6. Bg5 Bd7 7. Qd2 Larsen variation
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B62 -6. Bg5 e6
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B62 -6. Bg5 e6 >> 7. Bb5 Margate (Alekhine) variation
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B62 -6. Bg5 e6 >> 7. Nb3 Podvebrady variation
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B62 -6. Bg5 e6 >> 7. Nxc6 Richter attack
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B62 -6. Bg5 e6 >> 7. Qd3 Keres variation
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B63 -6. Bg5 e6 7. Qd2 Rauzer attack
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B63 -6. Bg5 e6 7. Qd2 Rauzer attack >> 7. Qd2 Be7
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B64 -6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Rauzer attack
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B64 -6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Rauzer attack >> 9. f4 e5 Geller variation
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B65 -6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 Rauzer attack
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B65 -6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 Rauzer attack >> 10. Qxd4
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B66 -6. Bg5 e6 7. Qd2 a6 Rauzer attack
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B66 -6. Bg5 e6 7. Qd2 a6 Rauzer attack >> 8.0-0-0 h6 9.Be3 Qc7 10.f3
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B66 -6. Bg5 e6 7. Qd2 a6 Rauzer attack >> 8.0-0-0 h6 9.Bxf6 Qxf6
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B66 -6. Bg5 e6 7. Qd2 a6 Rauzer attack >> 8.0-0-0 Qb6 9.Nb3
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B67 -6. Bg5 e6 7. Qd2 a6 8.O-O-O Bd7 Rauzer attack
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B68 -6. Bg5 e6 7. Qd2 a6 8.O-O-O Bd7 9. f4 Be7 Rauzer attack
B20-B99 -1. e4 c5 >> B60 - B69 2.Nf3 d6 3.d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 >> B69 -6. Bg5 e6 7. Qd2 a6 8.O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 Rauzer attack
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B70 -6....
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B70 -6.... >> 1. e4 c5 2. Cc3 d6 3. Cge2 Cf6 4. g3 Cc6 5. Fg2 g6
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B70 -6.... >> 5. Nc3 a6 6.a4 g6
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B70 -6.... >> 5. Nc3 Nc6 6. g3 g6 7.Bg2 Bg7
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B70 -6.... >> v5. Nc3 Nc6 6. g3 g6 7.Nde2
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B71 -6. f4 Levenfish variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B71 -6. f4 Levenfish variation >> 6. f4 Nbd7 Flohr variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B72 -6. Be3
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B72 -6. Be3 >> 6. Be3 Bg7 7. Be2 Classical attack
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B72 -6. Be3 >> 6. Be3 Bg7 7. Be2 Nc6 8. Nb3 Nottingham variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B72 -6. Be3 >> 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 Classical, Amsterdam variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B72 -6. Be3 >> 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 O-O 9. O-O-O Classical, Grigoriev variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B73 -6. Be3 Bg7 7. Be2 Nc6 8. O-O Classical
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B73 -6. Be3 Bg7 7. Be2 Nc6 8. O-O Classical >> 8. O-O O-O 9. f4 Qb6 10. e5 Zollner gambit
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B73 -6. Be3 Bg7 7. Be2 Nc6 8. O-O Classical >> 8. O-O O-O 9. Qd2 Richter variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B74 -6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Classical
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B74 -6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Classical >> 9. Nb3 a5 Alekhine variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B74 -6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Classical >> 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Bxd3 13. cxd3 d5 Bernard defence
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B74 -6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Classical >> 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Bd3 Spielmann variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B74 -6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Classical >> 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Nxa5 Bxe2 13. Qxe2 Qxa5 14. g4
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B74 -6. Be3 Bg7 7. Be2 Nc6 8. O-O O-O 9. Nb3 Classical >> 9. Nb3 Be6 10. f4 Qc8 Reti-Tartakower variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B75 -6. Be3 Bg7 7. f3 Yugoslav attack
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B76 -6. Be3 Bg7 7. f3 O-O Yugoslav attack
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B76 -6. Be3 Bg7 7. f3 O-O Yugoslav attack >> 8.Qd2 Nc6 9. O-O-O 0-0 10.g4 Rauser variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B76 -6. Be3 Bg7 7. f3 O-O Yugoslav attack >> 8.Qd2 Nc6 9. O-O-O d5 Rauser variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B76 -6. Be3 Bg7 7. f3 O-O Yugoslav attack >> 8.Qd2 Nc6 9. O-O-O Nxd4 Rauser variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B77 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Yugoslav attack
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B77 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Yugoslav attack >> 9. Bc4 a5 Byrne variation
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B77 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Yugoslav attack >> 9. Bc4 Bd7
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B78 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Yugoslav attack
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B78 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Yugoslav attack >> 10.0-0-0 Tc8 11.Fb3 Ce5 - 12.Fg5 Cc4 13.Axc4 Txc4
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B78 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Yugoslav attack >> 10.0-0-0 Tc8 11.Fb3 Ce5 - 12.h4 Cc4 13.Fxc4 Txc4
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B78 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Yugoslav attack >> 10.0-0-0 Tc8 11.Fb3 Ce5 - 12.h4 h5 13.Fg5 Tc5
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B78 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Yugoslav attack >> 10.0-0-0 Tc8 11.Fb3 Ce5 -12.Tb1
B20-B99 -1. e4 c5 >> B70 - B79 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 >> B79 -6. Be3 Bg7 7. f3 O-O 8.Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Qa5 11. Bb3 Rfc8 12. h4 Yugoslav attack
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6...
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Bb5+ Vitolins variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 Be7
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. Qd2 English variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. g3 Fianchetto variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5 >> 8.g4 b4
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5 >> 8.g4 h6 9.Qd2 Nbd7 10.0-0-0 Bb7 11.a3
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5 >> 8.g4 h6 9.Qd2 Nbd7 10.0-0-0 Bb7 11.Bd3
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5 >> 8.g4 h6 9.Qd2 Nbd7 10.0-0-0 Bb7 11.h4 b4
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5 >> 8.g4 h6 9.Qd2 Nbd7 10.0-0-0 Bb7 11.Rb1
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5 >> 8.Qd2 Bb7 9.g4 Nc6
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B80 -6... >> 6. Be3 a6 7. f3 b5 >> 8.Qd2 Nbd7 9.0𢠢 Bb7 10.g4 Nb6 11.Qf2 Nfd7
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B81 -6. g4 Keres attack
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B81 -6. g4 Keres attack >> 6. g4 h6
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B81 -6. g4 Keres attack >> 6. g4 Nc6 7.g5 Nd7
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B81 -6. g4 Keres attack >> 6.Be3 e6 7.g4 ! e5 8.Nf5 g6 9. Bg2 d5 10. Bg5 gxf5
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B81 -6. g4 Keres attack >> 6.Be3 e6 7.g4 ! e5 8.Nf5 g6 9.g5
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B81 -6. g4 Keres attack >> 6.Be3 e6 7.g4 ! h6
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B82 -6. f4
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B82 -6. f4 >> 6. f4 Nc6 7. Be3 Be7 8.Qf3 Tal variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B83 -6. Be2
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B83 -6. Be2 >> 6. Be2 Nc6 Modern Scheveningen
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B83 -6. Be2 >> 6. Be2 Nc6 7. O-O Be7 8. Be3 O-O 9. f4 Modern Scheveningen, Main line
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B83 -6. Be2 >> 6. Be2 Nc6 7. O-O Be7 8. Be3 O-O 9. f4 Bd7 10. Nb3 Modern Scheveningen, Main line with Nb3
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B84 -6. Be2 a6 (Paulsen), Classical variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B84 -6. Be2 a6 (Paulsen), Classical variation >> 7.Be3 Qc7
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B84 -6. Be2 a6 (Paulsen), Classical variation >> 7.f4 Be7 8.0-0
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B84 -6. Be2 a6 (Paulsen), Classical variation >> 7.f4 Be7 8.Be3 0-0
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B85 -6. Be2 a6 7. O-O Qc7 8.f4 Nc6 Classical variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B85 -6. Be2 a6 7. O-O Qc7 8.f4 Nc6 Classical variation >> 9. Be3
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B85 -6. Be2 a6 7. O-O Qc7 8.f4 Nc6 Classical variation >> 9. Be3 Be7 10. Qe1 O-O Classical Main line
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B85 -6. Be2 a6 7. O-O Qc7 8.f4 Nc6 Classical variation >> 9. Kh1 Be7 10. a4 Maroczy system
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B86 -6. Bc4 Sozin attack
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B86 -6. Bc4 Sozin attack >> 6...a6 7.Bb3 Nbd7
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B87 -6. Bc4 a6 7. Bb3 b5 Sozin with ...a6 and ...b5
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B87 -6. Bc4 a6 7. Bb3 b5 Sozin with ...a6 and ...b5 >> 8.0-0 Be7 9.Qf3
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B87 -6. Bc4 a6 7. Bb3 b5 Sozin with ...a6 and ...b5 >> 8.Bg5!?
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B88 -6. Bc4 Nc6 Sozin, Leonhardt variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B88 -6. Bc4 Nc6 Sozin, Leonhardt variation >> 7. Bb3 Be7 8. Be3 O-O 9. f4 Fischer variation
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B89 -6. Bc4 Nc6 7. Be3 Sozin, 7.Be3
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B89 -6. Bc4 Nc6 7. Be3 Sozin, 7.Be3 >> 7. Be3 Be7 8. Qe2 ...Velimirovic attack
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B89 -6. Bc4 Nc6 7. Be3 Sozin, 7.Be3 >> 7. Be3 Be7 8. Qe2 0-0 9.0-0-0 Velimirovic attack
B20-B99 -1. e4 c5 >> B80 - B89 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 >> B89 -6. Bc4 Nc6 7. Be3 Sozin, 7.Be3 >> 7. Be3 Be7 8. Qe2 a6 Velimirovic attack
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6...
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6 .Bd3
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6 .Rg1
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. Bc4 Lipnitzky attack
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. Be3 e5 7.Nb3 Be6 Byrne attack
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. Be3 Nbd7 7.f3 g6 Byrne (English) attack
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. Be3 Ng4 7.Bg5 h6 Byrne attack
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. Be3 Ng4 7.Bg5 Nc6 Byrne attack
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. f3
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. g4
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B90 -6... >> 6. h3 Adams attack
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B91 -6. g3 Zagreb (Fianchetto) variation
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B92 -6. Be2 Opovcensky variation
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B92 -6. Be2 Opovcensky variation >> 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B92 -6. Be2 Opovcensky variation >> 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B92 -6. Be2 Opovcensky variation >> 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 >> B93 -6. f4
B20-B99 -1. e4 c5 >> B90 - B99 2. Nf3 d6 3. d4 cxd4 4.