ECO D00 · Blackmar-Diemer Gambit Accepted

Blackmar-Diemer Gambit Accepted: Euwe Defense, Duthilleul Gambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bd3

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

6… c5−0.44

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Blackmar-Diemer Gambit Accepted: Euwe Defense, Duthilleul Gambit (D00), reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bd3, Stockfish 18 recommends 6… c5 for Black. Black is slightly better (−0.44).

Top engine moves

  1. −0.446… c5 7. Bf4 Nc6 8. dxc5 Bxc5 9. Qe2 O-O 10. O-O-O Nd5 11. Bd2
  2. −0.326… Be7 7. Be3 Nc6 8. a3 a6 9. Qe2 b5 10. Ne4 Bb7 11. Nc5
  3. −0.296… a6 7. Ne4 Nxe4 8. Bxe4 Nd7 9. O-O Be7 10. Qe1 Nf6 11. Bd3

Frequently asked questions

What is the best move in the Blackmar-Diemer Gambit Accepted: Euwe Defense, Duthilleul Gambit?
After 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bd3, Stockfish 18 at depth 18 recommends 6… c5 for Black, continuing 7. Bf4 Nc6 8. dxc5 Bxc5 9. Qe2 O-O 10. O-O-O Nd5 11. Bd2. Black is slightly better (−0.44). The next best moves are 6… Be7 (−0.32) and 6… a6 (−0.29).
Is the Blackmar-Diemer Gambit Accepted: Euwe Defense, Duthilleul Gambit a good opening?
Stockfish rates the position at −0.44: 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 Accepted: Euwe Defense, Duthilleul Gambit?
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+).