ECO D00 · Blackmar-Diemer Gambit Declined

Blackmar-Diemer Gambit Declined: Langeheinicke Defense

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e3

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

5. Nge2+0.42

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Blackmar-Diemer Gambit Declined: Langeheinicke Defense (D00), reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e3, Stockfish 18 recommends 5. Nge2 for White. White is slightly better (+0.42).

Top engine moves

  1. +0.425. Nge2 e6 6. Bxe3 a6 7. Nf4 Bb4 8. a3 Bxc3+ 9. bxc3 O-O
  2. +0.405. Bxe3 a6 6. Nge2 e6 7. g4 Nbd7 8. Qd3 b5 9. g5 Nd5
  3. +0.385. h4 e6 6. Bxe3 a6 7. g4 Bd7 8. g5 Nh5 9. Nge2 Bc6

Frequently asked questions

What is the best move in the Blackmar-Diemer Gambit Declined: Langeheinicke Defense?
After 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e3, Stockfish 18 at depth 18 recommends 5. Nge2 for White, continuing e6 6. Bxe3 a6 7. Nf4 Bb4 8. a3 Bxc3+ 9. bxc3 O-O. White is slightly better (+0.42). The next best moves are 5. Bxe3 (+0.40) and 5. h4 (+0.38).
Is the Blackmar-Diemer Gambit Declined: Langeheinicke Defense a good opening?
Stockfish rates the position at +0.42: white 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 Declined: Langeheinicke 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+).