ECO D00 · Blackmar-Diemer Gambit Accepted

Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. Ne5

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

7… O-O−0.99

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack (D00), reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. Ne5, Stockfish 18 recommends 7… O-O for Black. Black is clearly better (−0.99).

Top engine moves

  1. −0.997… O-O 8. Bf4 c5 9. dxc5 Qa5 10. O-O Qxc5+ 11. Kh1 Bf5 12. Nd5
  2. −0.127… Be6 8. Bxe6 fxe6 9. O-O O-O 10. Be3 Nc6 11. Nxc6 bxc6 12. Qe2
  3. −0.067… e6 8. Bg5 h6 9. Bh4 O-O 10. O-O Nc6 11. Ne4 g5 12. Nxf6+

Frequently asked questions

What is the best move in the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack?
After 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g6 6. Bc4 Bg7 7. Ne5, Stockfish 18 at depth 18 recommends 7… O-O for Black, continuing 8. Bf4 c5 9. dxc5 Qa5 10. O-O Qxc5+ 11. Kh1 Bf5 12. Nd5. Black is clearly better (−0.99). The next best moves are 7… Be6 (−0.12) and 7… e6 (−0.06).
Is the Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack a good opening?
Stockfish rates the position at −0.99: black is clearly 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: Bogoljubow Defense, Nimzowitsch Attack?
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+).