Sicilian Defense: Nyezhmetdinov-Rossolimo, Fianchetto Variation
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
Main Transpositions
Most Popular
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O (635/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 (676/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 (730/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 (1089/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 (502/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 (948/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 (2372/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O (2404/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 (725/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 (738/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 (773/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 (1085/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 (591/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 (1676/M). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 (4399/M). More: dbcn ccoe c365
TCEC Games
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d5 (23cp, 168/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 e5 8. d3 d6 (2cp, 24/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Qa4 O-O 7. d4 cxd4 8. cxd4 d6 (2cp, 5/M, TCEC +0=0-1). Games. More: dbcn ccoe c365
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, 23/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d4 cxd4 7. cxd4 exd4 8. Bf4 a6 (1cp, 9/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Qb6 6. Ba4 e6 (96cp, 2/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Qb6 (88cp, 37/M, TCEC +3=5-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 d6 6. d4 cxd4 7. cxd4 Bd7 (87cp, 20/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 (7cp, 223/M, TCEC +0=3-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Ng4 7. Bxc6 dxc6 (77cp, 5/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. Nc3 O-O 7. e5 Ne8 8. Bxc6 dxc6 (10cp, 19/M, TCEC +1=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qe7 8. Nbd2 Nf6 (20cp, 14/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qe7 (19cp, 63/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Ne7 8. a3 a5 9. Be3 b6 10. Nbd2 a4 (60cp, 0/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 a6 (52cp, 28/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e6 6. c3 Nge7 7. d4 cxd4 8. cxd4 O-O (94cp, 2/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e6 (76cp, 27/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Qb6 (112cp, 14/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 Nf6 (16cp, 80/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. Nc3 Nf6 (19cp, 17/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. Nc3 a6 (59cp, 10/M, TCEC +2=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 (21cp, 186/M, TCEC +1=2-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 (5cp, 2372/M, TCEC +0=0-2). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O d6 (101cp, 25/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 O-O 8. Be3 b6 (23cp, 160/M, TCEC +2=2-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 O-O 8. O-O b6 (37cp, 20/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 (34cp, 166/M, TCEC +0=1-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 e5 7. Be3 Qe7 8. Qd2 Nf6 (25cp, 19/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. O-O Bg4 7. h3 Bxf3 8. Qxf3 Nf6 (55cp, 8/M, TCEC +1=3-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3 Nf6 (26cp, 12/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 (22cp, 1085/M, TCEC +2=4-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. h3 f6 (39cp, 14/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nf6 7. e5 Nd5 8. c4 Nc7 (3cp, 53/M, TCEC +0=2-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 (2cp, 591/M, TCEC +1=1-0). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Nc3 Bg7 (1cp, 192/M, TCEC +1=0-1). Games. More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 (4cp, 4399/M, TCEC +1=4-1). Games. More: dbcn ccoe c365
Biased Popular Lines
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Qa5 (67cp, -40cp; 17/M, 25%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne8 10. h3 Nc7 (122cp, -12cp; 13/M, 62%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne8 (110cp, -92cp; 21/M, 13%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d6 9. h3 Bd7 (72cp, -34cp; 12/M, 50%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. exd5 Qxd5 9. c4 Qd6 10. d5 (75cp, -73cp; 10/M, 59%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 d5 8. e5 Ne8 9. d4 cxd4 (110cp, -66cp; 13/M, 69%). More: dbcn ccoe c365
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 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. d4 cxd4 9. cxd4 O-O (127cp, -36cp; 9/M, 75%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. d4 cxd4 (91cp, -91cp; 12/M, 63%). More: dbcn ccoe c365
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 g6 4. O-O Bg7 5. c3 d6 6. d4 cxd4 7. cxd4 Bd7 8. Nc3 Nf6 9. Re1 O-O 10. h3 a6 11. Bf1 Rc8 (106cp, -61cp; 7/M, 47%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 d6 6. d4 cxd4 7. cxd4 Bd7 8. Nc3 a6 (97cp, -15cp; 10/M, 46%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 d6 6. d4 cxd4 7. cxd4 Bd7 (82cp, -49cp; 20/M, 123%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e6 (128cp, -125cp; 23/M, 2%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nxc3 (111cp, -103cp; 13/M, 6%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e6 (70cp, -68cp; 27/M, 2%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Qb6 (100cp, -98cp; 14/M, 1%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 e6 (136cp, -135cp; 18/M, 6%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O d6 (105cp, -103cp; 25/M, 1%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 O-O 8. Be3 b6 9. Qd2 Re8 10. Bh6 Bh8 (96cp, -78cp; 11/M, 67%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 9. Qd2 h6 10. O-O Qe7 11. Nh2 Nf8 12. f4 exf4 13. Bxf4 Ne6 14. Bg3 Nd4 (91cp, -73cp; 10/M, 51%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 b6 7. O-O Nh6 (70cp, -43cp; 10/M, 32%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg4 6. Nbd2 Bg7 (67cp, -12cp; 8/M, 92%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. h3 a6 (78cp, -58cp; 7/M, 3%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 e5 7. c3 d6 (94cp, -91cp; 9/M, 18%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 e5 7. c3 Qb6 (137cp, -134cp; 8/M, 15%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 e6 (67cp, -65cp; 8/M, 2%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Nc3 e6 (163cp, -171cp; 8/M, 28%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O a6 (84cp, -83cp; 15/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 Nf6 6. Re1 O-O 7. d4 d5 8. exd5 Qxd5 9. c4 Qd6 10. d5 (75cp, -73cp; 10/M, 59%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. exd5 Qxd5 9. c4 Qd6 10. dxc5 (76cp, -74cp; 5/M, 32%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 d5 8. e5 Ne8 9. d4 cxd4 (110cp, -66cp; 13/M, 69%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. e5 Nd5 7. d4 cxd4 8. cxd4 O-O 9. Nc3 Nc7 10. Bf4 Nxb5 11. Nxb5 a6 12. Nc3 d6 13. exd6 exd6 (62cp, -57cp; 4/M, 57%). More: dbcn ccoe c365
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 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. d4 cxd4 (91cp, -91cp; 12/M, 63%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 d6 6. d4 Bd7 (104cp, -73cp; 6/M, 30%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e6 6. c3 Nge7 7. d4 cxd4 8. cxd4 Qb6 (123cp, -53cp; 5/M, 39%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. Re1 e6 (166cp, -149cp; 5/M, 37%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 O-O 8. Be3 b6 9. Qd2 Re8 10. Bh6 Bh8 (96cp, -78cp; 11/M, 67%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 9. Qd2 h6 10. O-O Qe7 11. Nh2 Nf8 12. f4 exf4 13. Bxf4 Ne6 14. Bg3 Nd4 (91cp, -73cp; 10/M, 51%). More: dbcn ccoe c365
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Nc3 e6 (163cp, -171cp; 8/M, 28%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19