Blumenfeld Countergambit Accepted

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5

Blumenfeld Countergambit Accepted after 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5 87654321abcdefgh

The Blumenfeld Countergambit Accepted is a chess opening classified as ECO E10, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 34 times by this move order. White won 47%, 0% were drawn and Black won 53%. The most popular continuation is 7. e3 (38% of games).

Engine evaluation: +0.70 (Stockfish, depth 55; best line 7. Nc3 Nbd7 8. e4 d4 9. Nb1 Bb7)

ECO
E10
Moves
12 plies
FEN
rnbqkb1r/p5pp/4pn2/1Ppp4/8/5N2/PP2PPPP/RNBQKB1R w KQkq - 0 7
PGN
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5

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

Results by rating

Average ratingGamesWhite / draw / Black
1500-19992100%
2000+3250%50%
All3447%53%

Most played moves

MoveGamesWhite / draw / Black
7. e313 (38%)38%62%
7. Nc38 (24%)50%50%
7. g36 (18%)67%33%
7. Bg54 (12%)50%50%
7. a43 (9%)33%67%

Master games

396 over-the-board games are classified under this line (White 41%, draw 18%, Black 41%). The strongest:

Search all games of the Blumenfeld Countergambit Accepted and its sub-variations

Highest-rated Lichess games

Comes from

Blumenfeld Countergambit 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5

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.