ECO B00 · Nimzowitsch Defense

Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit

1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Nb8 5. f3

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

5… Nf6−0.02

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

Analyze this position

In the Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit (B00), reached after 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Nb8 5. f3, Stockfish 18 recommends 5… Nf6 for Black. The position is roughly equal (−0.02).

Top engine moves

  1. −0.025… Nf6 6. fxe4 e6 7. Qe2 exd5 8. exd5+ Be7 9. Bf4 O-O 10. O-O-O
  2. +0.025… e6 6. fxe4 Nf6 7. Nf3 Bb4 8. Bd3 exd5 9. e5 Ne4 10. O-O
  3. +0.135… exf3 6. Nxf3 Nf6 7. Bf4 g6 8. Bc4 Bg7 9. Qe2 Nh5 10. Be5

Frequently asked questions

What is the best move in the Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit?
After 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Nb8 5. f3, Stockfish 18 at depth 18 recommends 5… Nf6 for Black, continuing 6. fxe4 e6 7. Qe2 exd5 8. exd5+ Be7 9. Bf4 O-O 10. O-O-O. The position is roughly equal (−0.02). The next best moves are 5… e6 (+0.02) and 5… exf3 (+0.13).
Is the Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit a good opening?
Stockfish rates the position at −0.02: 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 Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit?
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+).