English (A17)

Queens Indian, Romanishin variation

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3

Nimzo-Indian (E20)

Romanishin-Kasparov (Steiner) system

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

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

Scotch (C45)

Romanishin variation

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+

Ponziani (C44)

Romanishin variation

1. e4 e5 2. Nf3 Nc6 3. c3 Be7

English (A28)

Four knights, Romanishin variation

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3

English (A13)

Romanishin gambit

1. c4 e6 2. Nf3 Nf6 3. g3 a6 4. Bg2 b5

Queen's Indian (E17)

Opovcensky variation

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

Queen's Indian (E15)

Buerger variation

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

Queen's Indian (E15)

Rubinstein variation

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

Queen's Indian (E16)

Yates variation

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

Queen's Indian (E17)

Euwe variation

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

Queen's Indian (E14)

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

Queen's Indian (E16)

Capablanca variation

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

Queen's Indian (E12)

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

Queen's Indian (E12)

Miles variation

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

Queen's Indian (E16)

Riumin variation

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

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 (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