ECO D00 · Blackmar-Diemer Gambit Accepted

Blackmar-Diemer Gambit Accepted: Pietrowsky Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6

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

6. Bb5−0.26

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Blackmar-Diemer Gambit Accepted: Pietrowsky Defense (D00), reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6, Stockfish 18 recommends 6. Bb5 for White. The position is roughly equal (−0.26).

Top engine moves

  1. −0.266. Bb5 Bd7 7. O-O g6 8. d5 Nb8 9. Bc4 Bg7 10. Bg5 O-O
  2. −0.386. a3 g6 7. d5 Nb8 8. Bf4 Bg7 9. Bc4 Nh5 10. Bg5 Bg4
  3. −0.506. Bc4 a6 7. Bg5 h6 8. Bh4 Bg4 9. d5 Bxf3 10. Qxf3 Ne5

Frequently asked questions

What is the best move in the Blackmar-Diemer Gambit Accepted: Pietrowsky Defense?
After 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6, Stockfish 18 at depth 18 recommends 6. Bb5 for White, continuing Bd7 7. O-O g6 8. d5 Nb8 9. Bc4 Bg7 10. Bg5 O-O. The position is roughly equal (−0.26). The next best moves are 6. a3 (−0.38) and 6. Bc4 (−0.50).
Is the Blackmar-Diemer Gambit Accepted: Pietrowsky Defense a good opening?
Stockfish rates the position at −0.26: the position is roughly equal. 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: Pietrowsky Defense?
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+).