Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5

Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5 87654321abcdefgh

The Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation is a chess opening classified as ECO D44, reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5. It is a line of the Semi-Slav Defense. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 2 times by this move order. White won 50%, 0% were drawn and Black won 50%. The most popular continuation is 10… Qxf6 (100% of games).

Engine evaluation: −0.58 (Stockfish, depth 31; best line 10… Qxf6 11. a4 a6 12. Be2 Nd7 13. axb5)

ECO
D44
Moves
19 plies
FEN
rnbqkb1r/p4p2/2p1pP1p/1p2N3/2pP3p/2N5/PP3PPP/R2QKB1R b KQkq - 1 10
PGN
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5

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

Results by rating

Average ratingGamesWhite / draw / Black
2000+250%50%
All250%50%

Most played moves

MoveGamesWhite / draw / Black
10… Qxf62 (100%)50%50%

Master games

35 over-the-board games are classified under this line (White 46%, draw 28%, Black 26%). The strongest:

Search all games of the Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation and its sub-variations

Highest-rated Lichess games

Comes from

Semi-Slav Defense: Botvinnik Variation (5… dxc4 6. e4) 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4

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.