D00

Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack

Chess diagram: Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack after 4. Nge2

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Statistics from Lichess

6,592 games: White 54.8% / Draw 7.6% / Black 37.6%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
4,4204,420
847847
440440
303303
261261
179179
6262
5757

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 29, 2026

Engine evaluation

−0.12 The position is about equal

Best play: 4... Nc6 5. Be3 Bb4 6. dxe5 Qxd1+ 7. Rxd1 Nge7 8. Bd2 Bf5 9. Ng3

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack (ECO D00, Closed & Semi-Closed Games) is a gambit in the Blackmar-Diemer Gambit: Lemberger Countergambit, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nge2 (4 moves).

In 6,592 rated Lichess games between players rated 1600 to 2500, White won 54.8%, Black 37.6% and 7.6% were drawn. Black's most played move here is 4…exd4, in 67% of those games.

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How to play against the Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack

4…f5 scores best for Black: 52.0%, with Black winning 48.4% and White 44.3% of 440 games. The most played answer, 4…exd4, scores lowest: 39.2% in 4,420 games. Stockfish's first choice is 4…Nc6.

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: Lemberger Countergambit, Rasmussen Attack (D00)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/blackmar-diemer-gambit-lemberger-countergambit-rasmussen-attack