Slav Defense
1. d4 d5 2. c4 c6
Main Transpositions
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 to 1. .. Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6
Most Popular
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 (3542/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 (4340/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 (4974/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 (15663/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 (6019/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 (21224/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 e6 (3412/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 (16486/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 (3419/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nc3 Nf6 (7765/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nc3 (8174/M). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 (26876/M). More: dbcn ccoe c365
Biased Popular Lines
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 f6 12. O-O Nc5 (83cp, -70cp; 43/M, 37%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 e6 (69cp, -68cp; 37/M, 4%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. f3 Nfd7 (114cp, -48cp; 64/M, 74%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 (65cp, -63cp; 270/M, 6%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Bg4 7. Bxc4 e6 (95cp, -32cp; 43/M, 62%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e3 Bg4 (76cp, -48cp; 49/M, 86%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Nd5 (173cp, -171cp; 30/M, 0%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. axb5 Nxc3 9. bxc3 cxb5 10. Ng5 (120cp, -5cp; 73/M, 94%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. axb5 (115cp, -104cp; 75/M, 60%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. Ng5 (74cp, -63cp; 33/M, 26%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. c5 Bg4 (81cp, -72cp; 47/M, 29%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bg4 (80cp, -79cp; 142/M, 0%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg4 7. Qb3 Qc7 (94cp, -48cp; 35/M, 28%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Qb3 Qb6 6. Nc3 e6 7. Nh4 Bh5 8. h3 Qc7 (94cp, -92cp; 30/M, 47%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 a6 5. Bd3 b5 6. b3 Bg4 (76cp, -11cp; 31/M, 92%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 e6 4. Qc2 f5 (101cp, -94cp; 135/M, 18%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 f5 (75cp, -74cp; 89/M, 30%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 dxc4 4. e3 Be6 5. Nc3 b5 (66cp, -51cp; 34/M, 70%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 dxc4 4. e3 b5 5. a4 e6 6. axb5 cxb5 7. b3 Bb4+ (66cp, -50cp; 36/M, 75%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Bf5 (99cp, -98cp; 207/M, 1%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Bg4 (80cp, -79cp; 40/M, 0%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nc3 Bf5 (132cp, -131cp; 91/M, 1%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. Qb3 b6 (395cp, -363cp; 46/M, 38%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Bf5 (70cp, -69cp; 45/M, 2%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Bf5 (99cp, -98cp; 32/M, 4%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Nh4 Bg4 10. f3 Bh5 11. g4 Bg6 (82cp, -71cp; 25/M, 46%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. Qe2 Bg6 10. e4 Bxc3 (61cp, -53cp; 48/M, 34%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 f6 12. O-O Nc5 (83cp, -70cp; 43/M, 37%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 f6 12. O-O O-O-O (112cp, -99cp; 24/M, 21%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4 Qxe4+ 12. Qe2 Bxd2+ 13. Kxd2 Qd5+ 14. Kc2 Na6 15. Nxc4 O-O-O (83cp, -78cp; 21/M, 26%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. axb5 (115cp, -104cp; 75/M, 60%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 e6 8. Ng5 (74cp, -63cp; 33/M, 26%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. c5 Bg4 (81cp, -72cp; 47/M, 29%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Bf5 6. Qb3 Qc8 (75cp, -50cp; 23/M, 56%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. Qb3 b6 (219cp, -195cp; 29/M, 23%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bg4 5. Ne5 Bf5 (284cp, -204cp; 21/M, 33%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bg4 5. Ne5 Bh5 (254cp, -174cp; 20/M, 31%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Qb3 Qb6 6. Nc3 e6 7. Nh4 Bh5 8. h3 Qc7 (94cp, -92cp; 30/M, 47%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 f5 (75cp, -74cp; 89/M, 30%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. Nf3 dxc4 4. e3 b5 5. a4 e6 6. axb5 cxb5 7. b3 Bb4+ (66cp, -50cp; 36/M, 75%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. Qb3 b6 (395cp, -363cp; 46/M, 38%). More: dbcn ccoe c365
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. Qb3 Qb6 7. Nxd5 Nxd5 8. Qxd5 e6 (114cp, -71cp; 21/M, 95%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19