ECO D00 · Blackmar-Diemer Gambit

Blackmar-Diemer Gambit: Rasa-Studier Gambit

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3

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

4… Bf5−0.93

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Blackmar-Diemer Gambit: Rasa-Studier Gambit (D00), reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3, Stockfish 18 recommends 4… Bf5 for Black. Black is clearly better (−0.93).

Top engine moves

  1. −0.934… Bf5 5. h3 h5 6. d5 c6 7. Bc4 Nbd7 8. dxc6 bxc6 9. Nge2
  2. −0.814… e6 5. Bg5 Be7 6. Nge2 Nbd7 7. Ng3 O-O 8. Qd2 h6 9. Bxf6
  3. −0.724… c6 5. h3 Nbd7 6. Nge2 Nd5 7. Nxd5 cxd5 8. c4 Nf6 9. cxd5

Frequently asked questions

What is the best move in the Blackmar-Diemer Gambit: Rasa-Studier Gambit?
After 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Be3, Stockfish 18 at depth 18 recommends 4… Bf5 for Black, continuing 5. h3 h5 6. d5 c6 7. Bc4 Nbd7 8. dxc6 bxc6 9. Nge2. Black is clearly better (−0.93). The next best moves are 4… e6 (−0.81) and 4… c6 (−0.72).
Is the Blackmar-Diemer Gambit: Rasa-Studier Gambit a good opening?
Stockfish rates the position at −0.93: 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: Rasa-Studier 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+).