Sicilian Defense: Open, Classical, Richter-Rauzer Variation, 6…e6 7.Qd2 a6
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6
Main Transpositions
Most Popular
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 (928/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 (1403/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 (754/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O (2353/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 (2477/M). More: dbcn ccoe c365
TCEC Games
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 (4cp, 334/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. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 (3cp, 472/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. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 Qb6 (26cp, 40/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. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 (-5cp, 50/M, TCEC +1=4-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bh4 g5 (85cp, 80/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. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Be7 10. Be3 O-O 11. g4 Nxd4 12. Qxd4 Bc6 (67cp, 2/M, TCEC +0=6-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 (6cp, 1403/M, TCEC +2=5-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 b5 11. g4 Ne5 (53cp, 11/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. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 b5 11. g4 Be7 (89cp, 7/M, TCEC +4=4-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 Be7 (62cp, 15/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. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 Rc8 (64cp, 5/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. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. Be2 O-O 13. e5 (-59cp, 24/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. Bg5 e6 7. Qd2 a6 8. O-O-O h6 (61cp, 754/M, TCEC +4=6-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Be7 (21cp, 263/M, TCEC +3=3-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Qc7 (78cp, 12/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. Bg5 e6 7. Qd2 a6 8. f4 Bd7 (8cp, 18/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. Bg5 e6 7. Qd2 a6 8. Be2 h6 (6cp, 9/M, TCEC +3=9-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. f3 Bd7 (7cp, 21/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. Bg5 e6 7. Qd2 a6 8. Nxc6 bxc6 (9cp, 16/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Nxc6 Bxc6 11. e5 dxe5 12. Qxd8+ (159cp, -104cp; 10/M, 72%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 Bxf6 (73cp, -56cp; 10/M, 8%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Be2 O-O (66cp, -66cp; 9/M, 21%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bh4 g5 (87cp, -72cp; 80/M, 47%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bh4 Nxe4 11. Qe1 Nf6 12. Nf5 Qa5 13. Nxd6+ Bxd6 14. Rxd6 Qc7 (122cp, -94cp; 14/M, 42%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bxf6 gxf6 (79cp, -77cp; 25/M, 52%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Qb6 (88cp, -87cp; 11/M, 1%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Be7 10. f3 Qc7 (67cp, -52cp; 10/M, 10%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 b5 11. Kb1 Ne5 (70cp, -49cp; 12/M, 57%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 b5 11. g4 Be7 (95cp, -87cp; 7/M, 38%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 Be7 (76cp, -51cp; 15/M, 10%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Qc7 10. f3 Rb8 (81cp, -55cp; 13/M, 59%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. Qe1 Qa5 (74cp, -74cp; 14/M, 34%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. Be2 O-O 13. e5 Nd7 (135cp, -56cp; 11/M, 47%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. Be2 Qa5 (130cp, -51cp; 11/M, 39%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 (79cp, -16cp; 42/M, 41%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Qa5 (121cp, -58cp; 22/M, 22%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Be7 9. f4 h6 (93cp, -79cp; 9/M, 5%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Qc7 (71cp, -63cp; 12/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. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 b4 14. Ne2 e5 15. Ng3 h5 16. h4 Qc5 (60cp, -59cp; 16/M, 69%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 b4 14. Ne2 e5 15. Ng3 Qc5 16. Nh5 Ke7 (114cp, -112cp; 7/M, 78%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 b4 14. Ne2 e5 15. Ng3 Qc5 (59cp, -58cp; 18/M, 40%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. f5 Qc5 14. Bd3 b4 15. Ne2 e5 (126cp, -115cp; 6/M, 78%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Nxc6 Bxc6 12. Qe3 Be7 (75cp, -72cp; 5/M, 28%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Nxc6 Bxc6 11. e5 dxe5 12. Qxd8+ (159cp, -104cp; 10/M, 72%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Be2 O-O (66cp, -66cp; 9/M, 21%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bh4 g5 (87cp, -72cp; 80/M, 47%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bh4 Nxe4 11. Qe1 Nf6 12. Nf5 Qa5 13. Nxd6+ Bxd6 14. Rxd6 Qc7 (122cp, -94cp; 14/M, 42%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 h6 10. Bxf6 gxf6 (79cp, -77cp; 25/M, 52%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Be7 10. Kb1 b5 11. h4 O-O (81cp, -78cp; 6/M, 43%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 b5 10. Kb1 Rc8 (74cp, -55cp; 6/M, 29%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Bd7 10. f3 b5 11. Kb1 Qc7 (142cp, -121cp; 5/M, 23%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Qc7 10. f3 Rb8 11. g4 Ne5 (172cp, -150cp; 5/M, 85%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. Be2 O-O 13. e5 Nd7 (135cp, -56cp; 11/M, 47%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Bb4 12. Be2 Qa5 (130cp, -51cp; 11/M, 39%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Be7 12. Be2 O-O 13. h4 Re8 (174cp, -110cp; 5/M, 36%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Qa5 12. Be2 dxe4 (183cp, -62cp; 5/M, 30%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Nxc6 bxc6 10. Bf4 d5 11. Qe3 Qa5 (121cp, -58cp; 22/M, 22%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 (61cp, -53cp; 754/M, 32%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19