♟ Chess Openings

ECO E

ECO E - Indian Defenses

Indian defenses begin with 1.d4 Nf6, where Black delays or avoids ...d5. This includes the King's Indian, Nimzo-Indian, Queen's Indian, Bogo-Indian, and Catalan systems. These hypermodern openings often feature complex strategic battles.

ECO Subcategories

E00 E01 E02 E03 E04 E05 E06 E07 E08 E09 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 E32 E33 E34 E35 E36 E37 E38 E39 E40 E41 E42 E43 E44 E45 E46 E47 E48 E49 E50 E51 E52 E53 E54 E55 E56 E57 E58 E59 E60 E61 E62 E63 E64 E65 E66 E67 E68 E69 E70 E71 E72 E73 E74 E75 E76 E77 E78 E79 E80 E81 E82 E83 E84 E85 E86 E87 E88 E89 E90 E91 E92 E93 E94 E95 E96 E97 E98 E99

153 Openings Found

Seirawan Attack

d4 Nf6 c4 e6 Bg5 E00

Catalan Opening

d4 Nf6 c4 e6 g3 E06

Closed Variation, Catalan

d4 Nf6 c4 e6 g3 d5 Bg2 E07

Botvinnik Variation, Catalan

d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 c6 Qd3 E08

Zagoriansky Variation, Catalan

d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Rd1 b6 a4 E06

Tarrasch Defense, Catalan

d4 Nf6 c4 e6 g3 d5 Bg2 c5 Nf3 Nc6 E05

Modern Sharp Variation, Catalan

d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 Qa4 Bb4+ E03

Alekhine Variation, Catalan

d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6 Qc2 E00

Hungarian Gambit, Catalan

d4 Nf6 c4 e6 g3 e5 E00

Devin Gambit, Catalan

d4 Nf6 c4 e6 g4 E20

Nimzo-Indian Defense

d4 Nf6 c4 e6 Nc3 Bb4 E24

Accelerated Saemisch Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 E26

O'Kelly Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 e3 b6 E26

Capablanca Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 e3 Nc6 Bd3 O-O Ne2 b6 e4 Ne8 E25

Keres Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 dxc5 E25

Romanovsky Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 dxc5 f5 E24

Botvinnik Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 e3 O-O cxd5 Nxd5 E29

Capablanca Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2 b6 e4 Ne8 E30

Averbakh Gambit, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 b5 E45

Bronstein Variation, Nimzo-Indian; E45; Byrne Variation

d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 E41

Huebner Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3 E42

Sherbakov Attack, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 cxd4 exd4 O-O c5 E41

Panov Attack, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Nf3 cxd4 exd4 d5 E40

Keres Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 d5 a3 Bxc3+ bxc3 c5 cxd5 exd5 Bd3 O-O Ne2 b6 E40

Taimanov Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6 E40

Ragozin Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6 Nf3 O-O Bd3 d5 O-O dxc4 E48

Olafsson Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Nf3 c5 O-O dxc4 Bxc4 b6 Qe2 Bb7 Rd1 Qc8 E48

Bronstein Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Nf3 c5 O-O dxc4 Bxc4 Bd7 E48

Bronstein Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Nf3 c5 O-O dxc4 Bxc4 Nbd7 Ne2 E48

Smyslov Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Nf3 c5 O-O dxc4 Bxc4 Qe7 E46

Reshevsky Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 E46

Simagin Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 d5 a3 Bd6 E50

Huebner Deferred, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 c5 E51

Saemisch Deferred, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 a3 E53

Keres Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O b6 E55

Smyslov Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Qe7 E46

Reshevsky Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nge2 E46

Simagin Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nge2 d5 a3 Bd6 E20

Kmoch Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 f3 E20

Steiner Variation, Nimzo-Indian; Romanishin Variation

d4 Nf6 c4 e6 Nc3 Bb4 g3 E21

Korchnoi Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 d5 E21

Shocron Gambit, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 d5 b5 E21

Euwe Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 d5 Ne4 E20

Romanishin Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 g3 O-O Bg2 E20

English Hybrid, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 g3 O-O Bg2 cxd4 Nxd4 d5 cxd5 Nxd5 E20

Ragozin Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Nf3 d5 E23

San Remo Variation, Nimzo-Indian; Stahlberg Variation

d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6 Nf3 Ne4 Bd2 Nxc5 E23

Stahlberg Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6 Nf3 Ne4 Bd2 Nxc5 Qc2 f5 g3 E23

Carlsbad Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6 Nf3 Ne4 Bd2 Nxd2 E23

Stahlberg Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6 Nf3 Ne4 Bd2 Nxd2 Nxd2 O-O O-O-O E38

Steiner Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Bxc3+ E36

Botvinnik Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Nc6 E37

San Remo Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4 Qc2 Nc6 e3 e5 E33

Milner-Barry Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6 E33

Old Zurich Variation, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6 a3 E33

Vitolinsh-Adorjan Gambit, Nimzo Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b5 E33

Keres Defense, Nimzo-Indian

d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 E10

Dzindzi-Indian Defense

d4 Nf6 c4 e6 Nf3 a6 E12

Petrosian Variation, QID

d4 Nf6 c4 e6 Nf3 b6 a3 E12

Farago Defense, QID

d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2 Bb7 E12

Murey Variation, QID

d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 c5 e4 Nxc3 bxc3 Nc6 Bb2 cxd4 cxd4 Rc8 Rd1 Bd6 E12

Miles Variation, QID

d4 Nf6 c4 e6 Nf3 b6 Bf4 E14

Averbakh Variation, QID

d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3 O-O Bb2 cxd4 Nxd4 E15

Nimzovich Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 E15

Quiet Line, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 E15

Nimzovich Attack, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4+ E15

Timman's Line, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qb3 E16

Capablanca Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ E16

Yates Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 a5 E16

Riumin Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Be7 E17

Anti-Queen's Indian System

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 E17

Opocensky Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 E17

Classical Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O E17

Euwe Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O b3 E17

Taimanov Gambit, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nd4 E17

Polugaevsky Gambit, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nh4 E18

Tiviakov Defense, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Na6 E17

Kramnik Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Re1 E15

Saemisch Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 E16

Buerger Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 d5 exd5 Ng5 E16

Rubinstein Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 d5 exd5 Nh4 E16

Fine Variation, QID

d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Qc8 O-O c5 d5 E12

Kasparov Variation, QID

d4 Nf6 c4 e6 Nf3 b6 Nc3 E12

Kasparov-Petrosian Variation, QID

d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 E12

Polovodin Gambit, QID

d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 d5 cxd5 Nxd5 e4 E12

Hedgehog Variation, QID

d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 a3 g6 E12

Botvinnik Variation, QID

d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 g5 Bg3 Nh5 E11

Nimzovich Variation, Bogo-Indian

d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 E11

Grunfeld Variation, Bogo-Indian

d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 E10

Blumenfeld Variation

d4 Nf6 c4 e6 Nf3 c5 E10

Blumenfeld Countergambit

d4 Nf6 c4 e6 Nf3 c5 d5 b5 E10

Dus-Chotimursky Variation

d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 E10

Spielmann Variation, Blumenfeld

d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 exd5 cxd5 h6 E10

Blumenfeld Countergambit Accepted

d4 Nf6 c4 e6 Nf3 c5 d5 b5 dxe6 fxe6 cxb5 d5 E10

Rubinstein Variation, Blumenfeld

d4 Nf6 c4 e6 Nf3 c5 d5 b5 e4 E10

Dory (Doery) Defense

d4 Nf6 c4 e6 Nf3 Ne4 E60

Fianchetto Variation, KID

d4 Nf6 c4 g6 g3 E60

Counterthrust Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d5 E60

Kemeri Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d5 cxd5 Nxd5 Nf3 O-O O-O c5 E60

Yugoslav Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d6 Nf3 O-O Nc3 c5 E60

Bronstein Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d6 Nf3 O-O Nc3 c6 O-O Qa5 E60

Panno Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d6 Nf3 O-O Nc3 Nc6 O-O a6 h3 Rb8 E60

Spassky Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d6 Nf3 O-O Nc3 Nc6 O-O Bf5 E60

Simagin Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d6 Nf3 O-O Nc3 Nc6 O-O Bg4 E60

Szabo Variation

d4 Nf6 c4 g6 g3 Bg7 Bg2 d6 Nf3 O-O Nc3 Nc6 O-O e5 E60

d4 Nf6 c4 g6 g3 Bg7 Bg2 d6 Nf3 O-O O-O Nc6 d5 Na5 E61

Smyslov Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 Bg5 E77

Six Pawns Attack, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 E73

Semi-Averbakh System, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Be3 E73

Averbakh Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 E73

Spanish Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 a6 E73

Flexible Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6 E73

Burgess Line, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6 Qd2 c6 E73

Geller Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 E70

Accelerated Averbakh Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bg5 E80

Bronstein Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 e5 d5 Nh5 Be3 Na6 Qd2 Qh4+ g3 Nxg3 Qf2 Nxf1 Qxh4 Nxe3 Kf2 Nxc4 E81

Byrne Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c6 Bd3 a6 E87

Bronstein Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 Qh4+ g3 Nxg3 Qf2 Nxf1 E83

Panno Formation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 E83

Ruban Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 Rb8 E81

Steiner Attack, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 E81

Bobotsov-Korchnoi-Petrosian Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Nge2 E76

Six Pawns Attack, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 c5 d5 O-O Be2 e6 dxe6 fxe6 g4 Nc6 h4 E76

Modern Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 Na6 E77

Florentine Gambit, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5 e6 Nf3 exd5 e5 E76

Dynamic Attack, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5 E72

Pomar System, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 e5 Nge2 E92

Gligoric-Taimanov Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 E92

Petrosian Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 E92

Stein Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 E93

Keres Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6 Bh4 g5 Bg3 Nh5 h4 E94

Ukranian Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O a5 E94

Donner Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O c6 E94

Glek Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 E97

Normal Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 E97

Bayonet Attack, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 E97

Yepishin's Line, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Qc2 E97

Sokolov's Line, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 E97

Korchnoi Attack, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Bd2 E98

Kozul Gambit, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Be3 f5 E99

Benko Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 g4 E90

Larsen Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be3 E90

Zinnowitz Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Bg5 E61

Smyslov Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 Bg5 E62

Larsen Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Bf5 E62

Kavalek Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qa5 E62

Benjamin Defense, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qb6 E62

Carlsbad Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 E62

Lesser Simagin (Spassky) Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bf5 E62

Simagin Variation, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bg4 E62

Uhlmann-Szabo System, KID

d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O e5 E60

King's Knight Variation, KID

d4 Nf6 c4 g6 Nf3 E60

Santassiere Variation, KID

d4 Nf6 c4 g6 Nf3 Bg7 b4