ECO B00 · Nimzowitsch Defense

Nimzowitsch Defense: Breyer Variation

1. e4 Nc6 2. Nc3 Nf6 3. d4 e5

abcdefgh87654321
White to move. The arrow shows Stockfish’s best move.
Best move

4. dxe5+1.10

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Nimzowitsch Defense: Breyer Variation (B00), reached after 1. e4 Nc6 2. Nc3 Nf6 3. d4 e5, Stockfish 18 recommends 4. dxe5 for White. White is clearly better (+1.10).

Top engine moves

  1. +1.104. dxe5 Nxe5 5. f4 Nc6 6. e5 Ng8 7. Nf3 Bb4 8. Bc4 d6
  2. +0.614. d5 Nd4 5. f4 d6 6. Be3 c5 7. dxc6 Nxc6 8. Qd2 exf4
  3. +0.154. Nf3 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 Qe7+

Frequently asked questions

What is the best move in the Nimzowitsch Defense: Breyer Variation?
After 1. e4 Nc6 2. Nc3 Nf6 3. d4 e5, Stockfish 18 at depth 18 recommends 4. dxe5 for White, continuing Nxe5 5. f4 Nc6 6. e5 Ng8 7. Nf3 Bb4 8. Bc4 d6. White is clearly better (+1.10). The next best moves are 4. d5 (+0.61) and 4. Nf3 (+0.15).
Is the Nimzowitsch Defense: Breyer Variation a good opening?
Stockfish rates the position at +1.10: white 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 Nimzowitsch Defense: Breyer Variation?
B00. ECO codes classify chess openings from A00 to E99; B is the volume for semi-open games (other than the French).

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).