Semi-Slav Defense: Chigorin Defense (7… O-O 8. Bd3)

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Bd3

Semi-Slav Defense: Chigorin Defense after 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Bd3 87654321abcdefgh

The Semi-Slav Defense: Chigorin Defense is a chess opening classified as ECO D46, reached after 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Bd3. 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: +0.06 (Stockfish, depth 37; best line 8… Re8 9. h3 e5 10. dxe5 Nxe5 11. cxd5)

ECO
D46
Moves
15 plies
FEN
r1bq1rk1/pp1n1ppp/2pbpn2/3p4/2PP4/1PNBPN2/PB3PPP/R2QK2R b KQ - 4 8
PGN
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Bd3

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Comes from

Semi-Slav Defense: Normal Variation (5. Nf3 Nbd7) 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7

More Semi-Slav Defense lines (all)

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.