ECO D00 · Blackmar-Diemer Gambit

Blackmar-Diemer Gambit: Diemer-Rosenberg Attack

1. d4 d5 2. e4 dxe4 3. Be3

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

3… Nf6−0.72

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Blackmar-Diemer Gambit: Diemer-Rosenberg Attack (D00), reached after 1. d4 d5 2. e4 dxe4 3. Be3, Stockfish 18 recommends 3… Nf6 for Black. Black is slightly better (−0.72).

Top engine moves

  1. −0.723… Nf6 4. Ne2 Bf5 5. c4 c6 6. Nbc3 Nbd7 7. Ng3 Bg6 8. Be2
  2. −0.723… c6 4. Ne2 Bf5 5. Ng3 Bg6 6. c3 Nf6 7. Nd2 Nbd7 8. h4
  3. −0.583… e6 4. Ne2 b6 5. c4 Bb7 6. Nbc3 Nd7 7. Qc2 Ngf6 8. O-O-O

Frequently asked questions

What is the best move in the Blackmar-Diemer Gambit: Diemer-Rosenberg Attack?
After 1. d4 d5 2. e4 dxe4 3. Be3, Stockfish 18 at depth 18 recommends 3… Nf6 for Black, continuing 4. Ne2 Bf5 5. c4 c6 6. Nbc3 Nbd7 7. Ng3 Bg6 8. Be2. Black is slightly better (−0.72). The next best moves are 3… c6 (−0.72) and 3… e6 (−0.58).
Is the Blackmar-Diemer Gambit: Diemer-Rosenberg Attack a good opening?
Stockfish rates the position at −0.72: 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: Diemer-Rosenberg 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+).