Blackmar-Diemer Gambit Declined: Brombacher Countergambit
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Statistics from Lichess
57,724 games: White 44.7% / Draw 5.4% / Black 49.9%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 41,50442K | ||
| 5,4995,499 | ||
| 3,3653,365 | ||
| 2,6842,684 | ||
| 2,1862,186 | ||
| 1,5331,533 | ||
| 461461 | ||
| 211211 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 5, 2026
Engine evaluation
−0.32 Black is slightly better
Best play: 5. d5 exf3 6. Nxf3 g6 7. Bb5+ Nbd7 8. d6 Bg7 9. O-O O-O
Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.
Overview
Blackmar-Diemer Gambit Declined: Brombacher Countergambit (ECO D00, Closed & Semi-Closed Games) is a gambit in the Blackmar-Diemer Gambit, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5 (4 moves).
In 57,724 rated Lichess games between players rated 1600 to 2500, White won 44.7%, Black 49.9% and 5.4% were drawn. White's most played move here is 5. d5, in 72% of those games.
Written from the Lichess opening list and explorer. Know this line well? Write about it.
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How to play against the Blackmar-Diemer Gambit Declined: Brombacher Countergambit
The most played answer, 5. d5, also scores best for White: 51.0%, with White winning 48.3% and Black 46.3% of 42K games. Of the main answers, 5. fxe4 scores lowest: 33.5%. Stockfish's first choice is also 5. d5.
Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings
Cite this page
Caissa Codex. “Blackmar-Diemer Gambit Declined: Brombacher Countergambit (D00)”. Lichess data as of 5 Nov 2026. https://chesscodex.org/openings/blackmar-diemer-gambit-declined-brombacher-countergambit