Bogo-Indian defense (E11)

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

Bogo-Indian defense, Gruenfeld variation (E11)

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

Bogo-Indian defense, Nimzovich variation (E11)

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

Bogo-Indian defense, Monticelli trap (E11)

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

King's Indian (A48)

East Indian defense

1. d4 Nf6 2. Nf3 g6

Old Indian defense (A41)

1. d4 d6 2. c4

Old Indian defense (A53)

1. d4 Nf6 2. c4 d6

Nimzo-Indian defense (E20)

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

King's Indian defense (E60)

1. d4 Nf6 2. c4 g6

Queen's Indian defense (E12)

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

Queen's Indian defense (A47)

1. d4 Nf6 2. Nf3 b6

King's Indian defense, 3.Nc3 (E61)

1. d4 Nf6 2. c4 g6 3. Nc3

English, 1...Nf6 (Anglo-Indian defense) (A15)

1. c4 Nf6

Queen's pawn (A40)

Franco-Indian (Keres) defense

1. d4 e6 2. c4 Bb4+

Dutch defense (A90)

Dutch-Indian (Nimzo-Dutch) variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+

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

Nimzo-Indian (E46)

4.e3 O-O

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

Nimzo-Indian (E47)

4.e3 O-O, 5.Bd3

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

King's Indian (E91)

6.Be2

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

King's Indian (E90)

5.Nf3

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