(T) Semi-Slav Defense: Main Line, Chigorin Defense
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6
Main Transpositions
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. Qc2 to 6. Qc2 Bd6 7. Bd3 O-O 8. O-O
Most Popular
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O (588/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O (579/M). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 (722/M). More: dbcn ccoe c365
TCEC Games
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. cxd5 cxd5 (3cp, 8/M, TCEC +0=1-0). Games. More: dbcn ccoe c365
Biased Popular Lines
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. Bc2 Re8 (81cp, -65cp; 14/M, 12%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. Bc2 c5 (84cp, -68cp; 10/M, 9%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 h6 12. Qd3 Qc7 (189cp, -81cp; 7/M, 67%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 h6 (167cp, -101cp; 72/M, 48%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 c5 12. Bg5 cxd4 (370cp, -351cp; 11/M, 39%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 b6 (204cp, -138cp; 22/M, 15%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 Qc7 (153cp, -87cp; 16/M, 11%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 Re8 (144cp, -78cp; 9/M, 6%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 (66cp, -52cp; 143/M, 33%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 f5 11. Bc2 e5 (269cp, -147cp; 28/M, 56%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 f5 (122cp, -108cp; 52/M, 12%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bc2 h6 (101cp, -75cp; 9/M, 13%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Bb4+ 10. Bd2 Bxd2+ (117cp, -65cp; 13/M, 58%). More: dbcn ccoe c365
Lines with Disagreement to Human Master Play
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. Bc2 e5 12. b3 f5 (125cp, -109cp; 6/M, 40%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 h6 (167cp, -101cp; 72/M, 48%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 c5 12. Bg5 cxd4 (370cp, -351cp; 11/M, 39%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 (66cp, -52cp; 143/M, 33%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 f5 11. Bc2 e5 (269cp, -147cp; 28/M, 56%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxc4 9. Bxc4 e5 10. Bg5 exd4 11. Qxd4 Bc5 (72cp, -71cp; 5/M, 76%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. Re1 Re8 (62cp, -62cp; 6/M, 21%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bc2 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 O-O (180cp, -56cp; 7/M, 60%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bc2 Bb4+ 11. Bd2 Bxd2+ (124cp, -61cp; 6/M, 32%). More: dbcn ccoe c365
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Bb4+ 10. Bd2 Bxd2+ (117cp, -65cp; 13/M, 58%). More: dbcn ccoe c365
Latest dbcn data: 2025-12-19