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Site Name: Site URL: Reciprocal Link URL: Description: Alphanumeric characters only Category: 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.