[Site "E00"]
[White "Queen's pawn game"]

1. d4 Nf6 2. c4 e6

[Site "E00"]
[White "Neo-Indian (Seirawan) attack"]

1. d4 Nf6 2. c4 e6 3. Bg5

[Site "E00"]
[White "Catalan Opening"]

1. d4 Nf6 2. c4 e6 3. g3

[Site "E01"]
[White "Catalan"]
[Black "Closed"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2

[Site "E02"]
[White "Catalan"]
[Black "Open, 5.Qa4"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+

[Site "E03"]
[White "Catalan"]
[Black "Open, Alekhine Variation "]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2

[Site "E03"]
[White "Catalan"]
[Black "Open, 5.Qa4 Nbd7, 6.Qxc4"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4

[Site "E04"]
[White "Catalan"]
[Black "Open, 5.Nf3"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3

[Site "E05"]
[White "Catalan"]
[Black "Open, Classical line"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7

[Site "E06"]
[White "Catalan"]
[Black "Closed, 5.Nf3"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3

[Site "E07"]
[White "Catalan"]
[Black "Closed, 6...Nbd7"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7

[Site "E07"]
[White "Catalan"]
[Black "Closed, Botvinnik Variation "]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Nc3 c6 8.
Qd3

[Site "E08"]
[White "Catalan"]
[Black "Closed, 7.Qc2"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2

[Site "E08"]
[White "Catalan"]
[Black "Closed, Zagoryansky Variation "]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8.
Rd1 b6 9. a4

[Site "E08"]
[White "Catalan"]
[Black "Closed, Qc2 & b3"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8.
b3

[Site "E08"]
[White "Catalan"]
[Black "Closed, Spassky gambit"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8.
b3 b6 9. Rd1 Bb7 10. Nc3 b5

[Site "E09"]
[White "Catalan"]
[Black "Closed, Main line"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8.
Nbd2

[Site "E09"]
[White "Catalan"]
[Black "Closed, Sokolsky Variation "]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8.
Nbd2 b6 9. b3 a5 10. Bb2 Ba6

[Site "E10"]
[White "Queen's pawn game"]

1. d4 Nf6 2. c4 e6 3. Nf3

[Site "E10"]
[White "Blumenfeld counter-gambit"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5

[Site "E10"]
[White "Blumenfeld counter-gambit accepted"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5

[Site "E10"]
[White "Blumenfeld counter-gambit, Dus-Chotimursky Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5

[Site "E10"]
[White "Blumenfeld counter-gambit, Spielmann Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6

[Site "E10"]
[White "Dzindzikhashvili defense"]

1. d4 Nf6 2. c4 e6 3. Nf3 a6

[Site "E10"]
[White "Doery defense"]

1. d4 Nf6 2. c4 e6 3. Nf3 Ne4

[Site "E11"]
[White "Bogo-Indian defense"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+

[Site "E11"]
[White "Bogo-Indian defense, Gruenfeld Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2

[Site "E11"]
[White "Bogo-Indian defense, Nimzovich Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7

[Site "E11"]
[White "Bogo-Indian defense, Monticelli trap"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 b6 6. g3 Bb7 7. Bg2 O-O
8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5

[Site "E12"]
[White "Queen's Indian defense"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6

[Site "E12"]
[White "Queen's Indian"]
[Black "Miles Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4

[Site "E12"]
[White "Queen's Indian"]
[Black "Petrosian system"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3

[Site "E12"]
[White "Queen's Indian"]
[Black "4.Nc3"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3

[Site "E12"]
[White "Queen's Indian"]
[Black "4.Nc3, Botvinnik Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5

[Site "E13"]
[White "Queen's Indian"]
[Black "4.Nc3, Main line"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Bb4

[Site "E14"]
[White "Queen's Indian"]
[Black "4.e3"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3

[Site "E14"]
[White "Queen's Indian"]
[Black "Averbakh Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O Be7 7. b3 O-O 8.
Bb2 cxd4 9. Nxd4

[Site "E15"]
[White "Queen's Indian"]
[Black "4.g3"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3

[Site "E15"]
[White "Queen's Indian"]
[Black "Nimzovich Variation (exaggerated Fianchetto)"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6

[Site "E15"]
[White "Queen's Indian"]
[Black "4.g3 Bb7"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7

[Site "E15"]
[White "Queen's Indian"]
[Black "Rubinstein Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Nh4

[Site "E15"]
[White "Queen's Indian"]
[Black "Buerger Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. Ng5

[Site "E16"]
[White "Queen's Indian"]
[Black "Capablanca Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+

[Site "E16"]
[White "Queen's Indian"]
[Black "Yates Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5

[Site "E16"]
[White "Queen's Indian"]
[Black "Riumin Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7

[Site "E17"]
[White "Queen's Indian"]
[Black "5.Bg2 Be7"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7

[Site "E17"]
[White "Queen's Indian"]
[Black "Anti-Queen's Indian system"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3

[Site "E17"]
[White "Queen's Indian"]
[Black "Opovcensky Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2

[Site "E17"]
[White "Queen's Indian"]
[Black "Old Main line, 6.O-O"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O

[Site "E17"]
[White "Queen's Indian"]
[Black "Euwe Variation "]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3

[Site "E18"]
[White "Queen's Indian"]
[Black "Old Main line, 7.Nc3"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3

[Site "E19"]
[White "Queen's Indian"]
[Black "Old Main line, 9.Qxc3"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8.
Qc2 Nxc3 9. Qxc3

[Site "E20"]
[White "Nimzo-Indian defense"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4

[Site "E20"]
[White "Nimzo-Indian"]
[Black "Kmoch Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3

[Site "E20"]
[White "Nimzo-Indian"]
[Black "Mikenas attack"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qd3

[Site "E20"]
[White "Nimzo-Indian"]
[Black "Romanishin-Kasparov (Steiner) system"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3

[Site "E21"]
[White "Nimzo-Indian"]
[Black "Three knights Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3

[Site "E21"]
[White "Nimzo-Indian"]
[Black "Three knights, Korchnoi Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5

[Site "E21"]
[White "Nimzo-Indian"]
[Black "Three knights, Euwe Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4

[Site "E22"]
[White "Nimzo-Indian"]
[Black "Spielmann Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3

[Site "E23"]
[White "Nimzo-Indian"]
[Black "Spielmann, 4...c5, 5.dc Nc6"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6

[Site "E23"]
[White "Nimzo-Indian"]
[Black "Spielmann, Karlsbad Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2


[Site "E23"]
[White "Nimzo-Indian"]
[Black "Spielmann, San Remo Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5


[Site "E23"]
[White "Nimzo-Indian"]
[Black "Spielmann, Staahlberg Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5
8. Qc2 f5 9. g3

[Site "E24"]
[White "Nimzo-Indian"]
[Black "Saemisch Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3

[Site "E24"]
[White "Nimzo-Indian"]
[Black "Saemisch, Botvinnik Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. e3 O-O 8.
cxd5 Nxd5

[Site "E25"]
[White "Nimzo-Indian"]
[Black "Saemisch Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5

[Site "E25"]
[White "Nimzo-Indian"]
[Black "Saemisch, Keres Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5
8. dxc5

[Site "E25"]
[White "Nimzo-Indian"]
[Black "Saemisch, Romanovsky Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5
8. dxc5 f5

[Site "E26"]
[White "Nimzo-Indian"]
[Black "Saemisch Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

[Site "E26"]
[White "Nimzo-Indian"]
[Black "Saemisch, O'Kelly Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6

[Site "E27"]
[White "Nimzo-Indian"]
[Black "Saemisch Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O

[Site "E28"]
[White "Nimzo-Indian"]
[Black "Saemisch Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3

[Site "E29"]
[White "Nimzo-Indian"]
[Black "Saemisch, Main line"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6

[Site "E29"]
[White "Nimzo-Indian"]
[Black "Saemisch, Capablanca Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6
8. Ne2 b6 9. e4 Ne8

[Site "E30"]
[White "Nimzo-Indian"]
[Black "Leningrad Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5

[Site "E30"]
[White "Nimzo-Indian"]
[Black "Leningrad, ...b5 gambit"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5

[Site "E31"]
[White "Nimzo-Indian"]
[Black "Leningrad, Main line"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6

[Site "E32"]
[White "Nimzo-Indian"]
[Black "Classical Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2

[Site "E32"]
[White "Nimzo-Indian"]
[Black "Classical, Adorjan gambit"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b5

[Site "E33"]
[White "Nimzo-Indian"]
[Black "Classical, 4...Nc6"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6

[Site "E33"]
[White "Nimzo-Indian"]
[Black "Classical, Milner-Barry (Zurich) Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6

[Site "E34"]
[White "Nimzo-Indian"]
[Black "Classical, Noa Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5

[Site "E35"]
[White "Nimzo-Indian"]
[Black "Classical, Noa Variation , 5.cd ed"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5

[Site "E36"]
[White "Nimzo-Indian"]
[Black "Classical, Noa Variation , 5.a3"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3

[Site "E36"]
[White "Nimzo-Indian"]
[Black "Classical, Botvinnik Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6

[Site "E36"]
[White "Nimzo-Indian"]
[Black "Classical, Noa Variation , Main line"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4

[Site "E37"]
[White "Nimzo-Indian"]
[Black "Classical, Noa Variation , Main line, 7.Qc2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2

[Site "E37"]
[White "Nimzo-Indian"]
[Black "Classical, San Remo Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 Nc6
8. e3 e5

[Site "E38"]
[White "Nimzo-Indian"]
[Black "Classical, 4...c5"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5

[Site "E39"]
[White "Nimzo-Indian"]
[Black "Classical, Pirc Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O

[Site "E40"]
[White "Nimzo-Indian"]
[Black "4.e3"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3

[Site "E40"]
[White "Nimzo-Indian"]
[Black "4.e3, Taimanov Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6

[Site "E41"]
[White "Nimzo-Indian"]
[Black "4.e3 c5"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5

[Site "E41"]
[White "Nimzo-Indian"]
[Black "e3, Huebner Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6

[Site "E42"]
[White "Nimzo-Indian"]
[Black "4.e3 c5, 5.Ne2 (Rubinstein)"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2

[Site "E43"]
[White "Nimzo-Indian"]
[Black "Fischer Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6

[Site "E44"]
[White "Nimzo-Indian"]
[Black "Fischer Variation , 5.Ne2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2

[Site "E45"]
[White "Nimzo-Indian"]
[Black "4.e3, Bronstein (Byrne) Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6

[Site "E46"]
[White "Nimzo-Indian"]
[Black "4.e3 O-O"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O

[Site "E46"]
[White "Nimzo-Indian"]
[Black "Reshevsky Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2

[Site "E46"]
[White "Nimzo-Indian"]
[Black "Simagin Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Bd6

[Site "E47"]
[White "Nimzo-Indian"]
[Black "4.e3 O-O, 5.Bd3"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3

[Site "E48"]
[White "Nimzo-Indian"]
[Black "4.e3 O-O, 5.Bd3 d5"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5

[Site "E49"]
[White "Nimzo-Indian"]
[Black "4.e3, Botvinnik system"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3

[Site "E50"]
[White "Nimzo-Indian"]
[Black "4.e3 e8g8, 5.Nf3, without ...d5"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3

[Site "E51"]
[White "Nimzo-Indian"]
[Black "4.e3 e8g8, 5.Nf3 d7d5"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5

[Site "E51"]
[White "Nimzo-Indian"]
[Black "4.e3, Ragozin Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 Nc6 7. O-O dxc4

[Site "E52"]
[White "Nimzo-Indian"]
[Black "4.e3, Main line with ...b6"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6

[Site "E53"]
[White "Nimzo-Indian"]
[Black "4.e3, Main line with ...c5"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5

[Site "E53"]
[White "Nimzo-Indian"]
[Black "4.e3, Keres Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O b6

[Site "E53"]
[White "Nimzo-Indian"]
[Black "4.e3, Gligoric system with 7...Nbd7"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nbd7

[Site "E54"]
[White "Nimzo-Indian"]
[Black "4.e3, Gligoric system with 7...dc"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8.
Bxc4

[Site "E54"]
[White "Nimzo-Indian"]
[Black "4.e3, Gligoric system, Smyslov Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8.
Bxc4 Qe7

[Site "E55"]
[White "Nimzo-Indian"]
[Black "4.e3, Gligoric system, Bronstein Variation "]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8.
Bxc4 Nbd7

[Site "E56"]
[White "Nimzo-Indian"]
[Black "4.e3, Main line with 7...Nc6"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6

[Site "E57"]
[White "Nimzo-Indian"]
[Black "4.e3, Main line with 8...dc and 9...cd"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8.
a3 dxc4 9. Bxc4 cxd4

[Site "E58"]
[White "Nimzo-Indian"]
[Black "4.e3, Main line with 8...Bxc3"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8.
a3 Bxc3 9. bxc3

[Site "E59"]
[White "Nimzo-Indian"]
[Black "4.e3, Main line"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8.
a3 Bxc3 9. bxc3 dxc4 10. Bxc4

[Site "E60"]
[White "King's Indian defense"]

1. d4 Nf6 2. c4 g6

[Site "E60"]
[White "King's Indian, 3.Nf3"]

1. d4 Nf6 2. c4 g6 3. Nf3

[Site "E60"]
[White "Queen's pawn"]
[Black "Mengarini attack"]

1. d4 Nf6 2. c4 g6 3. Qc2

[Site "E60"]
[White "King's Indian"]
[Black "Anti-Gruenfeld"]

1. d4 Nf6 2. c4 g6 3. d5

[Site "E60"]
[White "King's Indian"]
[Black "Danube gambit"]

1. d4 Nf6 2. c4 g6 3. d5 b5

[Site "E60"]
[White "King's Indian"]
[Black "3.g3"]

1. d4 Nf6 2. c4 g6 3. g3

[Site "E60"]
[White "King's Indian"]
[Black "3.g3, counterthrust Variation "]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5

[Site "E61"]
[White "King's Indian defense, 3.Nc3"]

1. d4 Nf6 2. c4 g6 3. Nc3

[Site "E61"]
[White "King's Indian"]
[Black "Smyslov system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5

[Site "E62"]
[White "King's Indian"]
[Black "Fianchetto Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3

[Site "E62"]
[White "King's Indian"]
[Black "Fianchetto, Larsen system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Bf5

[Site "E62"]
[White "King's Indian"]
[Black "Fianchetto, Kavalek (Bronstein) Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Qa5

[Site "E62"]
[White "King's Indian"]
[Black "Fianchetto with ...Nc6"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6

[Site "E62"]
[White "King's Indian"]
[Black "Fianchetto, Uhlmann (Szabo) Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O e5

[Site "E62"]
[White "King's Indian"]
[Black "Fianchetto, lesser Simagin (Spassky) Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bf5

[Site "E62"]
[White "King's Indian"]
[Black "Fianchetto, Simagin Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O Bg4

[Site "E63"]
[White "King's Indian"]
[Black "Fianchetto, Panno Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O a6

[Site "E64"]
[White "King's Indian"]
[Black "Fianchetto, Yugoslav system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5

[Site "E65"]
[White "King's Indian"]
[Black "Fianchetto, Yugoslav, 7.O-O"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O

[Site "E66"]
[White "King's Indian"]
[Black "Fianchetto, Yugoslav Panno"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c5 7. O-O Nc6 8.
d5

[Site "E67"]
[White "King's Indian"]
[Black "Fianchetto with ...Nd7"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7

[Site "E67"]
[White "King's Indian"]
[Black "Fianchetto, Classical Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5

[Site "E68"]
[White "King's Indian"]
[Black "Fianchetto, Classical Variation , 8.e4"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8.
e4

[Site "E69"]
[White "King's Indian"]
[Black "Fianchetto, Classical Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8.
e4 c6 9. h3

[Site "E70"]
[White "King's Indian"]
[Black "4.e4"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4

[Site "E70"]
[White "King's Indian"]
[Black "Kramer system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2

[Site "E70"]
[White "King's Indian"]
[Black "Accelerated Averbakh system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5

[Site "E71"]
[White "King's Indian"]
[Black "Makagonov system (5.h3)"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3

[Site "E72"]
[White "King's Indian with e4 & g3"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3

[Site "E72"]
[White "King's Indian"]
[Black "Pomar system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 O-O 6. Bg2 e5 7. Nge2

[Site "E73"]
[White "King's Indian"]
[Black "5.Be2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2

[Site "E73"]
[White "King's Indian"]
[Black "Semi-Averbakh system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3

[Site "E73"]
[White "King's Indian"]
[Black "Averbakh system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5

[Site "E74"]
[White "King's Indian"]
[Black "Averbakh, 6...c5"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5

[Site "E75"]
[White "King's Indian"]
[Black "Averbakh, Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6

[Site "E76"]
[White "King's Indian"]
[Black "Four pawns attack"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4

[Site "E76"]
[White "King's Indian"]
[Black "Four pawns attack, dynamic line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5

[Site "E77"]
[White "King's Indian"]
[Black "Four pawns attack, 6.Be2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2

[Site "E77"]
[White "King's Indian"]
[Black "Six pawns attack"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. dxe6
fxe6 9. g4 Nc6 10. h4

[Site "E77"]
[White "King's Indian"]
[Black "Four pawns attack"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3


[Site "E77"]
[White "King's Indian"]
[Black "Four pawns attack, Florentine gambit"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. d5 e6 8. Nf3
exd5 9. e5

[Site "E78"]
[White "King's Indian"]
[Black "Four pawns attack, with Be2 and Nf3"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3

[Site "E79"]
[White "King's Indian"]
[Black "Four pawns attack, Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3 cxd4 8.
Nxd4 Nc6 9. Be3

[Site "E80"]
[White "King's Indian"]
[Black "Saemisch Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3

[Site "E81"]
[White "King's Indian"]
[Black "Saemisch, 5...O-O"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O

[Site "E81"]
[White "King's Indian"]
[Black "Saemisch, Byrne Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c6 7. Bd3 a6

[Site "E82"]
[White "King's Indian"]
[Black "Saemisch, double Fianchetto Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6

[Site "E83"]
[White "King's Indian"]
[Black "Saemisch, 6...Nc6"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6

[Site "E83"]
[White "King's Indian"]
[Black "Saemisch, Ruban Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 Rb8

[Site "E83"]
[White "King's Indian"]
[Black "Saemisch, Panno formation"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6

[Site "E84"]
[White "King's Indian"]
[Black "Saemisch, Panno Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8.
Qd2 Rb8

[Site "E85"]
[White "King's Indian"]
[Black "Saemisch, Orthodox Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5

[Site "E86"]
[White "King's Indian"]
[Black "Saemisch, Orthodox, 7.Nge2 c6"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6

[Site "E87"]
[White "King's Indian"]
[Black "Saemisch, Orthodox, 7.d5"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5

[Site "E87"]
[White "King's Indian"]
[Black "Saemisch, Orthodox, Bronstein Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 Nh5 8. Qd2
Qh4+ 9. g3 Nxg3 10. Qf2 Nxf1 11. Qxh4 Nxe3 12. Ke2 Nxc4

[Site "E88"]
[White "King's Indian"]
[Black "Saemisch, Orthodox, 7.d5 c6"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6

[Site "E89"]
[White "King's Indian"]
[Black "Saemisch, Orthodox Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Nge2
cxd5

[Site "E90"]
[White "King's Indian"]
[Black "5.Nf3"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3

[Site "E90"]
[White "King's Indian"]
[Black "Larsen Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be3

[Site "E90"]
[White "King's Indian"]
[Black "Zinnowitz Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Bg5

[Site "E91"]
[White "King's Indian"]
[Black "6.Be2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2

[Site "E91"]
[White "King's Indian"]
[Black "Kazakh Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na6

[Site "E92"]
[White "King's Indian"]
[Black "Classical Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5

[Site "E92"]
[White "King's Indian"]
[Black "Andersson Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5

[Site "E92"]
[White "King's Indian"]
[Black "Gligoric-Taimanov system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3

[Site "E92"]
[White "King's Indian"]
[Black "Petrosian system"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5

[Site "E92"]
[White "King's Indian"]
[Black "Petrosian system, Stein Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5

[Site "E93"]
[White "King's Indian"]
[Black "Petrosian system, Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7

[Site "E93"]
[White "King's Indian"]
[Black "Petrosian system, Keres Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8.
Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4

[Site "E94"]
[White "King's Indian"]
[Black "Orthodox Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O

[Site "E94"]
[White "King's Indian"]
[Black "Orthodox, Donner Variation "]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O c6

[Site "E94"]
[White "King's Indian"]
[Black "Orthodox, 7...Nbd7"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7

[Site "E95"]
[White "King's Indian"]
[Black "Orthodox, 7...Nbd7, 8.Re1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8.
Re1

[Site "E96"]
[White "King's Indian"]
[Black "Orthodox, 7...Nbd7, Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8.
Re1 c6 9. Bf1 a5

[Site "E97"]
[White "King's Indian"]
[Black "Orthodox, Aronin-Taimanov Variation (Yugoslav attack / Mar del Plata Variation )"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6

[Site "E97"]
[White "King's Indian"]
[Black "Orthodox, Aronin-Taimanov, bayonet attack"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8.
d5 Ne7 9. b4

[Site "E98"]
[White "King's Indian"]
[Black "Orthodox, Aronin-Taimanov, 9.Ne1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8.
d5 Ne7 9. Ne1

[Site "E99"]
[White "King's Indian"]
[Black "Orthodox, Aronin-Taimanov, Main line"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8.
d5 Ne7 9. Ne1 Nd7 10. f3 f5

[Site "E99"]
[White "King's Indian"]
[Black "Orthodox, Aronin-Taimanov, Benko attack"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8.
d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4