ECO D00 · Blackmar-Diemer Gambit

Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation

1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. dxe5

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Black to move. The arrow shows Stockfish’s best move.
Best move

4… Qxd1+−0.45

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation (D00), reached after 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. dxe5, Stockfish 18 recommends 4… Qxd1+ for Black. Black is slightly better (−0.45).

Top engine moves

  1. −0.454… Qxd1+ 5. Kxd1 Nc6 6. Nxe4 Nxe5 7. Bf4 Nf6 8. Nxf6+ gxf6 9. Nf3
  2. +0.964… Qh4 5. g3 Qg4 6. Qxg4 Bxg4 7. Nd5 Kd7 8. Bf4 Nc6 9. Bg2
  3. +0.974… Nc6 5. Qxd8+ Nxd8 6. Nxe4 Nc6 7. Nf3 Bf5 8. Bd3 Nb4 9. Nd6+

Frequently asked questions

What is the best move in the Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation?
After 1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. dxe5, Stockfish 18 at depth 18 recommends 4… Qxd1+ for Black, continuing 5. Kxd1 Nc6 6. Nxe4 Nxe5 7. Bf4 Nf6 8. Nxf6+ gxf6 9. Nf3. Black is slightly better (−0.45). The next best moves are 4… Qh4 (+0.96) and 4… Nc6 (+0.97).
Is the Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation a good opening?
Stockfish rates the position at −0.45: black is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation?
D00. ECO codes classify chess openings from A00 to E99; D is the volume for closed and semi-closed games.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).