Queen's Indian (E17)

Anti-Queen's Indian system

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

Queen's Indian (A47)

Marienbad system

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

Queen's Indian (E12)

Petrosian system

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

Queen's Indian (A47)

Marienbad system, Berg variation

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4

Queen's pawn (D00)

Anti-Veresov

1. d4 d5 2. Nc3 Bg4

QGD Semi-Slav (D44)

Botvinnik system (anti-Meran)

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4

QGD Semi-Slav (D44)

Anti-Meran, Alatortsev system

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5

QGD Semi-Slav (D45)

Rubinstein (anti-Meran) system

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Ne5

King's Indian (E60)

Anti-Gruenfeld

1. d4 Nf6 2. c4 g6 3. d5

Queen's pawn (A46)

Yusupov-Rubinstein system

1. d4 Nf6 2. Nf3 e6 3. e3

Queen's Indian (E15)

4.g3 Bb7

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

Queen's Indian (E12)

4.Nc3

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

Queen's Indian (E14)

4.e3

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

Queen's Indian (E15)

4.g3

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

Queen's Indian (E17)

5.Bg2 Be7

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

Queen's Indian Accelerated (A50)

1. d4 Nf6 2. c4 b6

Queen's Indian defense (A47)

1. d4 Nf6 2. Nf3 b6

Queen's Indian defense (E12)

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

Queen's Indian (E13)

4.Nc3, Main line

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

Queen's Indian (E18)

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