ECO B03 · Alekhine Defense

Alekhine Defense: Four Pawns Attack, Cambridge Gambit

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5

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

6. Nc3+1.15

White is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Alekhine Defense: Four Pawns Attack, Cambridge Gambit (B03), reached after 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5, Stockfish 18 recommends 6. Nc3 for White. White is clearly better (+1.15).

Top engine moves

  1. +1.156. Nc3 dxe5 7. fxe5 Nc6 8. Be3 Bg7 9. Qh5 h6 10. h4 Bf5
  2. +1.076. a4 a5 7. exd6 exd6 8. fxg5 Qe7+ 9. Be2 Bg7 10. Nf3 Nc6
  3. +0.976. exd6 cxd6 7. fxg5 Bg7 8. d5 Bf5 9. Nf3 O-O 10. Be2 N8d7

Frequently asked questions

What is the best move in the Alekhine Defense: Four Pawns Attack, Cambridge Gambit?
After 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5, Stockfish 18 at depth 18 recommends 6. Nc3 for White, continuing dxe5 7. fxe5 Nc6 8. Be3 Bg7 9. Qh5 h6 10. h4 Bf5. White is clearly better (+1.15). The next best moves are 6. a4 (+1.07) and 6. exd6 (+0.97).
Is the Alekhine Defense: Four Pawns Attack, Cambridge Gambit a good opening?
Stockfish rates the position at +1.15: 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 Alekhine Defense: Four Pawns Attack, Cambridge Gambit?
B03. 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+).