Sicilian Defense: Old Sicilian Variation, Other Continuations
1. e4 c5 2. Nf3 Nc6
Main Transpositions
Most Popular
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 (4399/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 (8778/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Nc3 (4563/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 (45407/M). More: dbcn ccoe c365
Biased Popular Lines
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Qb6 (96cp, -93cp; 37/M, 3%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. h3 Bh5 (111cp, -91cp; 56/M, 32%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 (70cp, -59cp; 58/M, 4%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O a6 (76cp, -65cp; 44/M, 3%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. O-O a6 (76cp, -74cp; 71/M, 29%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 (90cp, -88cp; 104/M, 1%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. Bb5 a6 (73cp, -71cp; 32/M, 7%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. Bc4 g6 (123cp, -123cp; 34/M, 9%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 Bg7 (152cp, -152cp; 32/M, 3%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d4 cxd4 7. cxd4 exd4 8. Bf4 Nge7 9. Bd6 O-O (101cp, -86cp; 23/M, 81%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. h3 Bh5 (111cp, -91cp; 56/M, 32%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. O-O a6 (76cp, -74cp; 71/M, 29%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. O-O g6 (78cp, -61cp; 26/M, 32%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Qc7 5. O-O Be7 (98cp, -52cp; 21/M, 38%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19