Sicilian Defense: Open, Classical, Sozin Attack
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4
Main Transpositions
Most Popular
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 (588/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 (981/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 (1436/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 (825/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 (2634/M). More: dbcn ccoe c365
TCEC Games
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. g4 (0cp, 119/M, TCEC +5=5-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. Rhg1 Nd7 12. g4 Nc5 (81cp, 41/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. Rhg1 (-1cp, 108/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O O-O 10. Bb3 Na5 (97cp, 4/M, TCEC +3=7-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 (18cp, 239/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. Bb3 Qa5 (92cp, 2/M, TCEC +1=5-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O (18cp, 161/M, TCEC +0=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 Bd7 (31cp, 25/M, TCEC +1=7-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 (-14cp, 405/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Bb3 O-O 9. O-O a6 10. f4 Nxd4 (0cp, 57/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Bb3 O-O (1cp, 140/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Bb3 Qa5 (13cp, 1/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 (9cp, 211/M, TCEC +0=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Bd7 (17cp, 25/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 (33cp, 158/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Na5 (52cp, 18/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 Be7 8. O-O O-O (-1cp, 94/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 (2cp, 1436/M, TCEC +1=6-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nb3 e6 8. O-O a6 (26cp, 69/M, TCEC +3=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nb3 e6 8. Bf4 Ne5 (6cp, 78/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nxc6 bxc6 8. O-O e6 (17cp, 38/M, TCEC +1=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nxc6 bxc6 8. O-O e5 (50cp, 13/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Ndb5 a6 8. Be3 Qa5 9. Nd4 Ne5 (14cp, 13/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. Bb3 g6 8. f3 Nxd4 (2cp, 27/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. Bb3 g6 8. f3 Bg7 (2cp, 18/M, TCEC +1=3-2). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 (3cp, 261/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e5 7. Nf3 Be7 8. O-O h6 (19cp, 6/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e5 7. Nf3 Be7 8. Bg5 O-O (19cp, 4/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 (-1cp, 2634/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
Biased Popular Lines
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. g4 Nxd4 12. Rxd4 e5 (83cp, -82cp; 7/M, 12%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. g4 Na5 12. g5 Nxb3+ 13. axb3 Nd7 (179cp, -19cp; 11/M, 98%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. g4 Na5 12. g5 Nxb3+ (160cp, -24cp; 10/M, 92%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. g4 Na5 (136cp, -136cp; 14/M, 11%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O O-O 10. Bb3 Qe8 11. Rhg1 Nd7 (130cp, -127cp; 11/M, 82%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O O-O 10. Bb3 Nd7 (82cp, -81cp; 10/M, 7%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Bd7 (181cp, -166cp; 8/M, 4%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 Bd7 9. O-O-O Rc8 (100cp, -73cp; 12/M, 61%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. f4 O-O 10. Qf3 Qc7 11. O-O-O Nxd4 (135cp, -135cp; 9/M, 44%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. f4 Qc7 10. Qf3 Bd7 (116cp, -113cp; 11/M, 29%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. f4 Qc7 10. Qf3 Nxd4 (114cp, -111cp; 7/M, 19%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Na5 9. Bd3 b5 (95cp, -44cp; 9/M, 58%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Be3 Qxb2 8. Ndb5 Qb4 9. Qe2 (75cp, -60cp; 10/M, 70%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 g6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 (112cp, -30cp; 11/M, 94%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 g6 7. Nxc6 bxc6 8. e5 Nd7 (82cp, -53cp; 14/M, 27%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Na5 (71cp, -70cp; 19/M, 0%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. g4 Nd7 12. g5 b5 (230cp, -229cp; 4/M, 34%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. Rhg1 b5 12. g4 Na5 13. g5 Nxb3+ 14. axb3 Nd7 15. f4 b4 (81cp, -80cp; 6/M, 81%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 O-O 11. Rhg1 Nd7 12. g4 Nc5 13. g5 Bd7 14. Rg3 (63cp, -65cp; 6/M, 37%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Qc7 10. Bb3 Na5 11. g4 b5 12. g5 Nxb3+ 13. axb3 Nd7 14. Nf5 exf5 15. Nd5 Qd8 16. exf5 Bb7 17. f6 Bxd5 (80cp, -80cp; 6/M, 32%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O O-O 10. Bb3 Qe8 11. Rhg1 Nd7 (130cp, -127cp; 11/M, 82%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. O-O-O Nxd4 10. Bxd4 b5 11. Bb3 Bb7 (105cp, -82cp; 7/M, 62%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. Bb3 Bd7 10. O-O-O Na5 (149cp, -120cp; 5/M, 23%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 O-O 9. O-O-O Bd7 10. Bb3 Rc8 (100cp, -75cp; 5/M, 20%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 Bd7 9. O-O-O Rc8 (100cp, -73cp; 12/M, 61%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. f4 O-O 10. Qf3 Qc7 11. O-O-O Nxd4 (135cp, -135cp; 9/M, 44%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. f4 O-O 10. Qf3 Qc7 11. O-O-O Na5 (77cp, -77cp; 5/M, 28%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. f4 Qc7 10. Qf3 Bd7 (116cp, -113cp; 11/M, 29%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Na5 9. f4 b5 (60cp, -59cp; 5/M, 37%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Be3 Qxb2 8. Ndb5 Qb4 9. Qe2 (75cp, -60cp; 10/M, 70%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 g6 7. Nxc6 bxc6 8. e5 Nd7 (82cp, -53cp; 14/M, 27%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19