Blackmar-Diemer Gambit: Diemer-Rosenberg Attack
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Statistics from Lichess
100,839 games: White 47.0% / Draw 3.7% / Black 49.3%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 57,44857K | ||
| 8,4988,498 | ||
| 7,9957,995 | ||
| 7,9327,932 | ||
| 6,8326,832 | ||
| 5,3665,366 | ||
| 2,2052,205 | ||
| 1,3361,336 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 23, 2026
Engine evaluation
−0.79 Black is better
Best play: 3... Nf6 4. Ne2 Bf5 5. Nd2 Nbd7 6. g3 e5 7. Bg2 exd4 8. Nxd4
Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.
Overview
Blackmar-Diemer Gambit: Diemer-Rosenberg Attack (ECO D00, Closed & Semi-Closed Games) is a gambit in the Blackmar-Diemer Gambit, reached after 1. d4 d5 2. e4 dxe4 3. Be3 (3 moves).
In 100,839 rated Lichess games between players rated 1600 to 2500, White won 47.0%, Black 49.3% and 3.7% were drawn. Black's most played move here is 3…Nf6, in 57% 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: Diemer-Rosenberg Attack
3…e5 scores best for Black: 57.2%, with Black winning 55.0% and White 40.6% of 7,995 games. The most played, 3…Nf6, scores 51.4% in 57K games, and 3…e6 scores lowest: 46.6%. Stockfish's first choice is 3…Nf6.
Main answers: those played in at least 5% of these games. Score: Black'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: Diemer-Rosenberg Attack (D00)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/blackmar-diemer-gambit-diemer-rosenberg-attack