Semi-Slav Defense: Chigorin Defense (9… O-O 10. Qc2)
1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O O-O 10. Qc2
The Semi-Slav Defense: Chigorin Defense is a chess opening classified as ECO D46, reached after 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O O-O 10. Qc2. It is a line of the Semi-Slav Defense. Black is to move.
This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.
Engine evaluation: +0.18 (Stockfish, depth 36; best line 10… Bb7 11. a3 Re8 12. h3 e5 13. Bd2)
- ECO
- D46
- Moves
- 19 plies
- FEN
r1bq1rk1/p2n1ppp/2pbpn2/1p6/3P4/2NBPN2/PPQ2PPP/R1B2RK1 b - - 5 10- PGN
1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Nc3 Bd6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Nbd7 9. O-O O-O 10. Qc2
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Comes from
Slav Defense: Modern Line (2… c6 3. Nf3) 1. d4 d5 2. c4 c6 3. Nf3
More Semi-Slav Defense lines (all)
- Semi-Slav Defense: Quiet Variation (4… e6 5. Nbd2) D30
- Semi-Slav Defense: Quiet Variation (5. Nbd2 Nbd7) D30
- Semi-Slav Defense: Accelerated Move Order D31
- Semi-Slav Defense: Anti-Noteboom, Stonewall Variation D31
- Semi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch Gambit D31
- Semi-Slav Defense: Gunderam Gambit D31
- Semi-Slav Defense: Marshall Gambit D31
- Semi-Slav Defense: Marshall Gambit, Forgotten Variation D31
- Semi-Slav Defense: Marshall Gambit, Main Line D31
- Semi-Slav Defense: Marshall Gambit, Tolush Variation D31
- Semi-Slav Defense: Noteboom Variation D31
- Semi-Slav Defense: Noteboom Variation, Abrahams Variation D31
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.