Sicilian Defense: Open, Najdorf, Lipnitsky Attack
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4
Main Transpositions
Most Popular
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 (533/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O (655/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 (881/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 (561/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 (2068/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 (3001/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 (3009/M). More: dbcn ccoe c365
TCEC Games
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. Qf3 Bb7 10. Bxe6 fxe6 11. Nxe6 Qd7 12. Nxg7+ (-21cp, 2/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Bb7 (51cp, 81/M, TCEC +1=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O b4 (16cp, 60/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Bg5 b4 (17cp, 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 a6 6. Bc4 e6 7. Bb3 b5 8. Bg5 h6 (80cp, 4/M, TCEC +1=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Be3 b4 (18cp, 14/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Qe2 Be7 (-1cp, 19/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. Bg5 Nc5 9. Qe2 b5 (66cp, 2/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. O-O Nc5 9. Bg5 Qc7 (139cp, 3/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. g4 Nc5 (-3cp, 9/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 O-O 9. Qe2 Qc7 10. O-O-O (1cp, 7/M, TCEC +0=7-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 O-O (4cp, 56/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 Qc7 (51cp, 34/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 Bd7 (79cp, 6/M, TCEC +2=0-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 h6 (33cp, 42/M, TCEC +0=4-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 Nc6 (1cp, 32/M, TCEC +0=3-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 b5 (2cp, 16/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nc6 8. O-O Qc7 (12cp, 40/M, TCEC +0=2-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. a4 Nc6 (1cp, 31/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 (1cp, 3001/M, TCEC +5=16-5). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf3 Be7 8. O-O O-O (5cp, 6/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 (4cp, 35/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 (-1cp, 3009/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 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. f4 O-O 10. f5 (91cp, -89cp; 19/M, 21%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Bb7 9. Re1 Nbd7 10. Bg5 Nc5 (178cp, -179cp; 12/M, 44%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Bb7 9. Re1 Nbd7 (71cp, -43cp; 37/M, 68%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O b4 9. Na4 Nxe4 (152cp, -138cp; 19/M, 35%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O b4 9. Na4 Bb7 (123cp, -109cp; 8/M, 15%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Bg5 Be7 9. Qf3 Qc7 10. O-O-O O-O (228cp, -228cp; 13/M, 37%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Be3 b4 9. Na4 Nxe4 (91cp, -76cp; 8/M, 73%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. e5 dxe5 10. fxe5 Nxb3 (94cp, -94cp; 8/M, 28%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. O-O Nc5 9. Re1 b5 (250cp, -251cp; 9/M, 24%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 b5 9. f3 Bb7 (187cp, -187cp; 10/M, 24%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 h6 9. Be3 Nc6 (112cp, -106cp; 16/M, 66%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 Nc6 9. g5 Nxd4 (130cp, -118cp; 12/M, 64%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 Qc7 9. f5 e5 (77cp, -49cp; 8/M, 77%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Nbd7 (255cp, -255cp; 18/M, 3%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 Bb7 8. O-O Nbd7 (67cp, -41cp; 9/M, 55%). 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 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. f4 O-O 10. a3 Bb7 11. Qf3 (78cp, -71cp; 6/M, 31%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. f4 O-O 10. Be3 Qc7 11. f5 (63cp, -63cp; 5/M, 41%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7 9. f4 O-O 10. f5 (91cp, -89cp; 19/M, 21%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Bb7 9. Re1 Nbd7 10. Bg5 Nc5 (178cp, -179cp; 12/M, 44%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O b4 9. Na4 Nxe4 10. f4 Be7 (309cp, -308cp; 5/M, 48%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O b4 9. Na4 Nxe4 (152cp, -138cp; 19/M, 35%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Bg5 Be7 9. Qf3 Qc7 10. O-O-O O-O (228cp, -228cp; 13/M, 37%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Be3 b4 9. Na4 Nxe4 (91cp, -76cp; 8/M, 73%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. e5 dxe5 10. fxe5 Nxb3 (94cp, -94cp; 8/M, 28%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. Bg5 Qb6 9. Qd2 Be7 10. O-O-O Nc5 11. Rhe1 O-O (75cp, -75cp; 5/M, 26%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. O-O Nc5 9. Re1 b5 (250cp, -251cp; 9/M, 24%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. O-O O-O 9. f4 Qc7 10. f5 e5 11. Nde2 b5 (117cp, -108cp; 6/M, 47%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 b5 9. f3 Bb7 (187cp, -187cp; 10/M, 24%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 Qc7 (52cp, -51cp; 34/M, 25%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 h6 9. Be3 Nc6 (112cp, -106cp; 16/M, 66%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 Nc6 9. g5 Nxd4 (130cp, -118cp; 12/M, 64%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19