Sicilian, Chekhover variation (B53)

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4

Sicilian (B53)

Chekhover, Zaitsev variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7

Dutch (A95)

Stonewall: Chekhover variation

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 8. Qc2 Qe8 9. Bg5

Sicilian (B40)

Pin variation (Sicilian counter-attack)

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4

Sicilian (B41)

Kan variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6

Sicilian (B45)

Taimanov variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3

Sicilian (B58)

Boleslavsky variation

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5

Sicilian (B33)

Sveshnikov variation

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5

Sicilian (B46)

Taimanov variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6

Sicilian (B22)

2.c3, Heidenfeld variation

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3

Sicilian (B22)

Alapin's variation (2.c3)

1. e4 c5 2. c3

Sicilian (B20)

Keres variation (2.Ne2)

1. e4 c5 2. Ne2

Sicilian (B70)

Dragon variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6

Sicilian (B20)

Gloria variation

1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h5

Sicilian (B42)

Kan, Polugaievsky variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5

Sicilian (B32)

Nimzovich variation

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5

Sicilian (B32)

Flohr variation

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7

Sicilian (B20)

Steinitz variation

1. e4 c5 2. g3

Sicilian (B23)

chameleon variation

1. e4 c5 2. Nc3 Nc6 3. Nge2

Sicilian (B80)

Scheveningen variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6