Chess Openings

Catalan Opening

1. d4 Nf6 2. c4 e6 3. g3

E006 plies

Catalan Opening

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

E006 plies

Catalan Opening: Hungarian Gambit

1. d4 Nf6 2. c4 e6 3. g3 e5

Indian Defense

1. d4 Nf6 2. c4 e6 3. Qb3

Indian Defense: Devin Gambit

1. d4 Nf6 2. c4 e6 3. g4

Indian Defense: Seirawan Attack

1. d4 Nf6 2. c4 e6 3. Bg5

E017 plies

Catalan Opening: Closed

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

E028 plies

Catalan Opening: Open Defense

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

E0311 plies

Catalan Opening: Open Defense

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

E0313 plies

Catalan Opening: Open Defense, Alekhine Variation

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

E049 plies

Catalan Opening: Open Defense

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

E0410 plies

Catalan Opening: Open Defense

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Bg2 dxc4

E0412 plies

Catalan Opening: Open Defense, Modern Sharp Variation

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+

E0510 plies

Catalan Opening: Open Defense, Classical Line

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

E0512 plies

Catalan Opening: Open Defense, Classical Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4

E069 plies

Catalan Opening: Closed

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

E0616 plies

Catalan Opening: Closed

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4 b6

E0618 plies

Catalan Opening: Closed

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Na6

E0712 plies

Catalan Opening: Closed

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

E0715 plies

Catalan Opening: 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

E0813 plies

Catalan Opening: Closed

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

E0815 plies

Catalan Opening: Closed

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

E0816 plies

Catalan Opening: Closed

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

E0817 plies

Catalan Opening: Closed

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. Rd1 Nbd7 9. Bf4

E0819 plies

Catalan Opening: Closed

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. Bf4 b6 9. Nbd2 Bb7 10. e4

E0820 plies

Catalan Opening: Closed, Spassky Gambit

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

E0817 plies

Catalan Opening: Closed, Zagoryansky Variation

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

E0916 plies

Catalan Opening: Closed Variation, Rabinovich Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. Nbd2 Be7 6. g3 Nbd7 7. Bg2 O-O 8. O-O b5

E0916 plies

Catalan Opening: Closed Variation, Traditional Variation

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

E0915 plies

Catalan Opening: Closed, Main Line

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

E0918 plies

Catalan Opening: Closed, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Nbd7

E0923 plies

Catalan Opening: Closed, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Qc2 c6 8. Bf4 b6 9. Nbd2 Bb7 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4

E0920 plies

Catalan Opening: 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

E108 plies

Blumenfeld Countergambit

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

E1012 plies

Blumenfeld Countergambit Accepted

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

E109 plies

Blumenfeld Countergambit: Duz-Khotimirsky Variation

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

E1012 plies

Blumenfeld Countergambit: Spielmann Variation

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

E105 plies

Indian Defense: Anti-Nimzo-Indian

1. d4 Nf6 2. c4 e6 3. Nf3

E106 plies

Indian Defense: Dzindzi-Indian Defense

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

E106 plies

Indian Defense: Döry Indian

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

E116 plies

Bogo-Indian Defense

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

Bogo-Indian Defense: Exchange Variation

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+

E117 plies

Bogo-Indian Defense: Grünfeld Variation

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

Bogo-Indian Defense: Haiti Variation

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Nc6

E1119 plies

Bogo-Indian Defense: Monticelli Trap

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

E117 plies

Bogo-Indian Defense: New England Variation

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nfd2

Bogo-Indian Defense: Nimzowitsch Variation

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

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7

E1111 plies

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3

E1112 plies

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O

E1113 plies

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O

E1115 plies

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. Qc2 c6 8. O-O

E1116 plies

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 Nbd7 7. O-O O-O 8. Qc2 c6

E1119 plies

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Nbd2

E1120 plies

Bogo-Indian Defense: Retreat Variation

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Nbd2 Ba6

Bogo-Indian Defense: Vitolins Variation

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5

Bogo-Indian Defense: Wade-Smyslov Variation

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5

E126 plies

Queen's Indian Defense

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

E127 plies

Queen's Indian Defense: Kasparov Variation

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

E1214 plies

Queen's Indian Defense: Kasparov Variation, Botvinnik Attack

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

E129 plies

Queen's Indian Defense: Kasparov-Petrosian Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3

Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4

E1212 plies

Queen's Indian Defense: Kasparov-Petrosian Variation, Classical Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5

Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6

Queen's Indian Defense: Kasparov-Petrosian Variation, Kasparov Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2

Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5

Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7

E1212 plies

Queen's Indian Defense: Kasparov-Petrosian Variation, Modern Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5

Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. e3

Queen's Indian Defense: Kasparov-Petrosian Variation, Polovodin Gambit

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. e4

Queen's Indian Defense: Kasparov-Petrosian Variation, Rashkovsky Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qa4+

Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2

E127 plies

Queen's Indian Defense: Miles Variation

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

E127 plies

Queen's Indian Defense: Petrosian Variation

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

Queen's Indian Defense: Petrosian Variation, Farago Defense

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7

E1312 plies

Queen's Indian Defense: Kasparov Variation

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

E1417 plies

Queen's Indian Defense: 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

E147 plies

Queen's Indian Defense: Spassky System

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

E1513 plies

Queen's Indian Defense: Buerger Variation

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

E157 plies

Queen's Indian Defense: Fianchetto Variation

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

E1510 plies

Queen's Indian Defense: Fianchetto Variation, Check Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+

E1512 plies

Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7

E1512 plies

Queen's Indian Defense: Fianchetto Variation, Check Variation, Modern Line

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Qe7

E158 plies

Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation

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

E159 plies

Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4

E159 plies

Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Quiet Line

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3

E159 plies

Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Timman's Line

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qb3

E1513 plies

Queen's Indian Defense: Fianchetto Variation, Rubinstein Variation

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

E1510 plies

Queen's Indian Defense: Fianchetto Variation, Sämisch Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5

E158 plies

Queen's Indian Defense: Fianchetto Variation, Traditional Line

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

E1610 plies

Queen's Indian Defense: Capablanca Variation

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

E1612 plies

Queen's Indian Defense: Riumin Variation

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

E1612 plies

Queen's Indian Defense: Yates Variation

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

E1711 plies

Queen's Indian Defense: Anti-Queen's Indian System

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

E1711 plies

Queen's Indian Defense: Classical Variation

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

E1715 plies

Queen's Indian Defense: Classical Variation, Polugaevsky Gambit

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4

E1715 plies

Queen's Indian Defense: Classical Variation, Taimanov Gambit

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nd4

E1713 plies

Queen's Indian Defense: Euwe Variation

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

E1713 plies

Queen's Indian Defense: Fianchetto Variation, Kramnik Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Re1

E1713 plies

Queen's Indian Defense: Opocensky Variation

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

E1710 plies

Queen's Indian Defense: Traditional Variation

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

E1814 plies

Queen's Indian Defense: Classical Variation, Tiviakov Defense

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Na6

E1813 plies

Queen's Indian Defense: Classical Variation, Traditional Variation

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

E1814 plies

Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5

E1917 plies

Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line

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

E206 plies

Nimzo-Indian Defense

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

Nimzo-Indian Defense: Dilworth Gambit

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e4

Nimzo-Indian Defense: Kmoch Variation

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

Nimzo-Indian Defense: Mikenas Attack

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

Nimzo-Indian Defense: Romanishin Variation

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

E2011 plies

Nimzo-Indian Defense: Romanishin Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 O-O 6. Bg2

E2016 plies

Nimzo-Indian Defense: Romanishin Variation, English Hybrid

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. cxd5 Nxd5

E217 plies

Nimzo-Indian Defense: Three Knights Variation

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

E2110 plies

Nimzo-Indian Defense: Three Knights Variation, Euwe Variation

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

E219 plies

Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation

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

E2110 plies

Nimzo-Indian Defense: Three Knights Variation, Shocron Gambit

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. d5 b5

E227 plies

Nimzo-Indian Defense: Spielmann Variation

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

E2314 plies

Nimzo-Indian Defense: Spielmann Variation, Carlsbad Variation

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

E2310 plies

Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit

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

E2314 plies

Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation

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

E2317 plies

Nimzo-Indian Defense: Spielmann Variation, Stahlberg 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

E247 plies

Nimzo-Indian Defense: Sämisch Variation

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

E2416 plies

Nimzo-Indian Defense: Sämisch Variation, Botvinnik Variation

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

E2513 plies

Nimzo-Indian Defense: Sämisch Variation

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

E2515 plies

Nimzo-Indian Defense: Sämisch Variation, Keres Variation

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

E2516 plies

Nimzo-Indian Defense: Sämisch Variation, Romanovsky Variation

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

E2611 plies

Nimzo-Indian Defense: Sämisch Variation

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

E2612 plies

Nimzo-Indian Defense: Sämisch Variation, O'Kelly Variation

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

E2710 plies

Nimzo-Indian Defense: Sämisch Variation

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

E2811 plies

Nimzo-Indian Defense: Sämisch Variation

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

E2914 plies

Nimzo-Indian Defense: Sämisch Variation

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

E2918 plies

Nimzo-Indian Defense: Sämisch Variation, Capablanca Variation

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

E307 plies

Nimzo-Indian Defense: Leningrad Variation

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

E3012 plies

Nimzo-Indian Defense: Leningrad Variation, Averbakh Gambit

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

E3112 plies

Nimzo-Indian Defense: Leningrad Variation, Benoni Defense

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

E327 plies

Nimzo-Indian Defense: Classical Variation

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

E3212 plies

Nimzo-Indian Defense: Classical Variation, Keres Defense

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6

E3212 plies

Nimzo-Indian Defense: Classical Variation, Vitolins-Adorjan Gambit

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

E3310 plies

Nimzo-Indian Defense: Classical Variation, Milner-Barry Variation

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

E338 plies

Nimzo-Indian Defense: Classical Variation, Zurich Variation

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

E3414 plies

Nimzo-Indian Defense: Classical Variation, Belyavsky Gambit

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qd1 e5

E348 plies

Nimzo-Indian Defense: Classical Variation, Noa Variation

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

E3510 plies

Nimzo-Indian Defense: Classical Variation, Noa Variation

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

E369 plies

Nimzo-Indian Defense: Classical Variation, Noa Variation

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

E3612 plies

Nimzo-Indian Defense: Classical Variation, Noa Variation, Botvinnik Variation

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

E3612 plies

Nimzo-Indian Defense: Classical Variation, Noa Variation, Main Line

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

E3612 plies

Nimzo-Indian Defense: Classical Variation, Romanishin Gambit

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5

E3714 plies

Nimzo-Indian Defense: Classical Variation, Modern Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5

E3713 plies

Nimzo-Indian Defense: Classical Variation, Noa Variation

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

E3716 plies

Nimzo-Indian Defense: Classical Variation, Noa Variation, 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

E388 plies

Nimzo-Indian Defense: Classical Variation, Berlin Variation

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

E3812 plies

Nimzo-Indian Defense: Classical Variation, Berlin Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e3 d5 6. Nf3 c5

E3810 plies

Nimzo-Indian Defense: Classical Variation, Berlin Variation, Steiner Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc3+

E3914 plies

Nimzo-Indian Defense: Classical Variation, Berlin Variation, Macieja System

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b6

E3910 plies

Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation

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

E407 plies

Nimzo-Indian Defense: Rubinstein System

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

E408 plies

Nimzo-Indian Defense: Rubinstein System, Taimanov Variation

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

E418 plies

Nimzo-Indian Defense: Rubinstein System

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

E4114 plies

Nimzo-Indian Defense: Rubinstein System, Hübner Variation

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

E4116 plies

Nimzo-Indian Defense: Rubinstein System, Hübner Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O O-O

E429 plies

Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation

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

E4213 plies

Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation, Main Line

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3

E4213 plies

Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation, Sherbakov Attack

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. c5

E438 plies

Nimzo-Indian Defense: St. Petersburg Variation

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

E4311 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3

E4312 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O

E4313 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O

E4314 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5

E4318 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 8. Na4 cxd4 9. a3 Be7

E4314 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Nf3 b6 7. Bd3 Bb7

E4316 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 b6 7. O-O Bb7 8. Na4 Qe7

E4315 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O

E4311 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Ne4 6. Qc2

E4317 plies

Nimzo-Indian Defense: St. Petersburg Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Ne4 6. Qc2 Bb7 7. Bd3 Bxc3+ 8. bxc3 f5 9. O-O

E4312 plies

Nimzo-Indian Defense: St. Petersburg Variation, with Ne4

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4

E449 plies

Nimzo-Indian Defense: St. Petersburg Variation

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

E4410 plies

Nimzo-Indian Defense: St. Petersburg Variation, American Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ne4

E4412 plies

Nimzo-Indian Defense: St. Petersburg Variation, Romanishin–Psakhis Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 c5 6. a3 Ba5

E4510 plies

Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation

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

E468 plies

Nimzo-Indian Defense: Normal Variation

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

E469 plies

Nimzo-Indian Defense: Reshevsky Variation

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

E4612 plies

Nimzo-Indian Defense: Simagin Variation

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

E479 plies

Nimzo-Indian Defense: Normal Variation

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

E4810 plies

Nimzo-Indian Defense: Normal Variation, Classical Defense

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

E4813 plies

Nimzo-Indian Defense: Ragozin Defense

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

E4913 plies

Nimzo-Indian Defense: Normal Variation, Botvinnik System

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

E509 plies

Nimzo-Indian Defense

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

E5110 plies

Nimzo-Indian Defense: Normal Variation, Ragozin Variation

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

E5111 plies

Nimzo-Indian Defense: Normal Variation, Sämisch Deferred

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. a3

E5114 plies

Nimzo-Indian Defense: Ragozin Variation

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

E5212 plies

Nimzo-Indian Defense: Normal Variation, Schlechter Defense

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

E5214 plies

Nimzo-Indian Defense: Normal Variation, Schlechter Defense

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5

E5312 plies

Nimzo-Indian Defense: Normal Variation, Gligoric System

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

E5314 plies

Nimzo-Indian Defense: Normal Variation, Gligoric System

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

E5314 plies

Nimzo-Indian Defense: Normal Variation, Gligoric System, Keres Variation

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

E5415 plies

Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation

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

E5416 plies

Nimzo-Indian Defense: Normal Variation, Gligoric System, Smyslov Variation

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

E5516 plies

Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation

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

E5614 plies

Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense

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

E5817 plies

Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line

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

E5919 plies

Nimzo-Indian Defense: Normal Variation, Bernstein Defense

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

E5921 plies

Nimzo-Indian Defense: Normal Variation, Bernstein Defense

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Nc6 10. O-O Qc7 11. Qc2

E608 plies

Grünfeld Defense: Counterthrust Variation

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

E606 plies

Indian Defense: Anti-Grünfeld, Adorjan Gambit

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

Indian Defense: Anti-Grünfeld, Advance Variation

1. d4 Nf6 2. c4 g6 3. d5

Indian Defense: Anti-Grünfeld, Alekhine Variation

1. d4 Nf6 2. c4 g6 3. f3

E606 plies

Indian Defense: Anti-Grünfeld, Alekhine Variation, Leko Gambit

1. d4 Nf6 2. c4 g6 3. f3 e5

Indian Defense: Anti-Grünfeld, Basman-Williams Attack

1. d4 Nf6 2. c4 g6 3. h4

E604 plies

Indian Defense: West Indian Defense

1. d4 Nf6 2. c4 g6

E607 plies

King's Indian Defense: Fianchetto Variation

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

King's Indian Defense: Fianchetto Variation, Immediate Fianchetto

1. d4 Nf6 2. c4 g6 3. g3

King's Indian Defense: Normal Variation, King's Knight Variation

1. d4 Nf6 2. Nf3 g6 3. c4

E607 plies

King's Indian Defense: Santasiere Variation

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. b4

E6012 plies

King's Indian Defense: Semi-Classical Variation, Benoni Variation

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e3 d6 6. Be2 c6

E6012 plies

King's Indian Defense: Semi-Classical Variation, Hollywood Variation

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e3 d6 6. Be2 Nc6

Queen's Pawn, Mengarini Attack

1. d4 Nf6 2. c4 g6 3. Qc2

E615 plies

King's Indian Defense

1. d4 Nf6 2. c4 g6 3. Nc3

E6114 plies

King's Indian Defense: Fianchetto Variation, Benjamin Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Qb6

E6111 plies

King's Indian Defense: Semi-Classical Variation

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e3 d6 6. Be2

E6116 plies

King's Indian Defense: Semi-Classical Variation, Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e3 d6 6. Be2 Nbd7 7. O-O e5 8. dxe5 dxe5

E6115 plies

King's Indian Defense: Semi-Classical Variation, Queenside Storm Line

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e3 d6 6. Be2 Nbd7 7. O-O e5 8. b4

E619 plies

King's Indian Defense: Smyslov Variation

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

E6212 plies

King's Indian Defense: Fianchetto Variation, Carlsbad Variation

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

E629 plies

King's Indian Defense: Fianchetto Variation, Delayed Fianchetto

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

King's Indian Defense: Fianchetto Variation, Kavalek Defense

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

King's Indian Defense: Fianchetto Variation, Larsen Defense

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

King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky)

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

King's Indian Defense: Fianchetto Variation, 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

King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System

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

E6314 plies

King's Indian Defense: Fianchetto Variation, Panno Variation

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

E6320 plies

King's Indian Defense: Fianchetto Variation, Panno Variation, Blockade Line

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 e5

E6326 plies

King's Indian Defense: Fianchetto Variation, Panno Variation, Donner Line

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Bb2 bxc4 13. bxc4 Bh6

E6319 plies

King's Indian Defense: Fianchetto Variation, Panno Variation, Korchnoi Line

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. h3 Rb8 9. Be3 b5 10. Nd2

E6415 plies

King's Indian Defense: Fianchetto Variation, Double Fianchetto Attack

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. b3

E6414 plies

King's Indian Defense: Fianchetto Variation, Hungarian Variation

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 a6

E6410 plies

King's Indian Defense: Fianchetto Variation, Pterodactyl Variation

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. Bg2 Qa5+

E6412 plies

King's Indian Defense: Fianchetto Variation, Yugoslav System

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

E6412 plies

King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line

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

E6513 plies

King's Indian Defense: Fianchetto Variation, Yugoslav Variation

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

E6516 plies

King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. dxc5 dxc5

E6615 plies

King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line

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

E6714 plies

King's Indian Defense: Fianchetto Variation, Classical Fianchetto

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

E6712 plies

King's Indian Defense: Fianchetto Variation, Debrecen Defense

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

E6815 plies

King's Indian Defense: Fianchetto Variation, Classical Variation

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

E6822 plies

King's Indian Defense: Fianchetto Variation, Long Variation

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 Re8 9. h3 exd4 10. Nxd4 Nc5 11. Re1 a5

E6917 plies

King's Indian Defense: Fianchetto Variation, Classical Main Line

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

E709 plies

King's Indian Defense: Accelerated Averbakh Variation

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

E709 plies

King's Indian Defense: Kramer Variation

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

E707 plies

King's Indian Defense: Normal Variation

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

E708 plies

King's Indian Defense: Normal Variation

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

E719 plies

King's Indian Defense: Makogonov Variation

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

E729 plies

King's Indian Defense: Normal Variation, Deferred Fianchetto

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

E7213 plies

King's Indian Defense: Pomar System

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

E7311 plies

King's Indian Defense: Averbakh Variation

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

King's Indian Defense: Averbakh Variation, Flexible Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6

King's Indian Defense: Averbakh Variation, Geller Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Nbd7

King's Indian Defense: Averbakh Variation, Modern Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Na6

E7314 plies

King's Indian Defense: Averbakh Variation, Modern Defense, Burgess Line

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Na6 7. Qd2 c6

King's Indian Defense: Averbakh Variation, Nc6 Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Nc6

King's Indian Defense: Averbakh Variation, Spanish Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 a6

E739 plies

King's Indian Defense: Normal Variation, Standard Development

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

E7311 plies

King's Indian Defense: Semi-Averbakh System

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

E7412 plies

King's Indian Defense: Averbakh Variation, Benoni Defense

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

E7413 plies

King's Indian Defense: Averbakh Variation, Benoni Defense, Advance Variation

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

E7413 plies

King's Indian Defense: Averbakh Variation, Benoni Defense, Exchange Variation

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. dxc5

E7514 plies

King's Indian Defense: Averbakh Variation, Main Line

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

E769 plies

King's Indian Defense: Four Pawns Attack

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

E7613 plies

King's Indian Defense: Four Pawns Attack, Dynamic Attack

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

E7610 plies

King's Indian Defense: Four Pawns Attack, Modern Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 Na6

E7711 plies

King's Indian Defense: Four Pawns Attack

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

E7717 plies

King's Indian Defense: Four Pawns Attack, Florentine Gambit

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

E7715 plies

King's Indian Defense: Four Pawns Attack, Normal Attack

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

E7719 plies

King's Indian Defense: 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

E7813 plies

King's Indian Defense: Four Pawns Attack, Fluid Attack

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

E7917 plies

King's Indian Defense: Four Pawns Attack, Exchange Variation

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

E809 plies

King's Indian Defense: Sämisch Variation

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

E8111 plies

King's Indian Defense: Steiner Attack

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5

E8111 plies

King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation

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

E8114 plies

King's Indian Defense: Sämisch Variation, Byrne Defense

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

E8110 plies

King's Indian Defense: Sämisch Variation, Normal Defense

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

E8112 plies

King's Indian Defense: Sämisch Variation, Sämisch Gambit

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5

E8115 plies

King's Indian Defense: Sämisch Variation, with Bg5

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 h6 8. Bf4

E8117 plies

King's Indian Defense: Sämisch Variation, with Bg5

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. Nxd5

E8117 plies

King's Indian Defense: Sämisch Variation, with Bg5

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 h6 9. Bxh6

E8212 plies

King's Indian Defense: Sämisch Variation, Double Fianchetto

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

E8314 plies

King's Indian Defense: Sämisch Variation, Panno Formation

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

E8314 plies

King's Indian Defense: Sämisch Variation, Ruban Variation

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

E8312 plies

King's Indian Defense: Sämisch Variation, Yates Defense

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

E8416 plies

King's Indian Defense: Sämisch Variation, 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

E8512 plies

King's Indian Defense: Sämisch Variation, Orthodox Variation

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

E8614 plies

King's Indian Defense: Sämisch Variation

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

E8723 plies

King's Indian Defense: Sämisch Variation, Bronstein Defense

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

E8713 plies

King's Indian Defense: Sämisch Variation, Closed Variation

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

E8724 plies

King's Indian Defense: Sämisch Variation, Orthodox Variation, 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

E8916 plies

King's Indian Defense: Sämisch Variation, Closed Variation, Main Line

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

E9011 plies

King's Indian Defense: Larsen Variation

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

E909 plies

King's Indian Defense: Normal Variation, Rare Defenses

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

E9011 plies

King's Indian Defense: Zinnowitz Variation

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

E9112 plies

King's Indian Defense: Kazakh Variation

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

E9111 plies

King's Indian Defense: Orthodox Variation

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

E9213 plies

King's Indian Defense: Exchange Variation

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

E9212 plies

King's Indian Defense: Orthodox Variation

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

E9213 plies

King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System

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

E9213 plies

King's Indian Defense: Petrosian Variation

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

E9214 plies

King's Indian Defense: Petrosian Variation, Stein Defense

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

E9321 plies

King's Indian Defense: Petrosian Variation, Keres Defense

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

E9314 plies

King's Indian Defense: Petrosian Variation, Normal Defense

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

E9413 plies

King's Indian Defense: Orthodox Variation

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

King's Indian Defense: Orthodox Variation, Donner Defense

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

King's Indian Defense: Orthodox Variation, Glek Defense

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Na6

King's Indian Defense: Orthodox Variation, Positional Defense

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

E9415 plies

King's Indian Defense: Orthodox Variation, Positional Defense, Closed Line

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5