ECO B03 · Alekhine Defense

Alekhine Defense: Modern Variation, Alekhine Gambit

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be2

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

6… dxe5+0.19

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

Analyze this position

In the Alekhine Defense: Modern Variation, Alekhine Gambit (B03), reached after 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be2, Stockfish 18 recommends 6… dxe5 for Black. The position is roughly equal (+0.19).

Top engine moves

  1. +0.196… dxe5 7. c5 e4 8. cxb6 exf3 9. Bxf3 Bxf3 10. Qxf3 Nc6 11. d5
  2. +0.586… g6 7. Ng5 Bxe2 8. Qxe2 dxe5 9. dxe5 h6 10. Nf3 Bg7 11. O-O
  3. +0.596… e6 7. h3 Bh5 8. exd6 cxd6 9. d5 e5 10. Be3 Be7 11. g4

Frequently asked questions

What is the best move in the Alekhine Defense: Modern Variation, Alekhine Gambit?
After 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be2, Stockfish 18 at depth 18 recommends 6… dxe5 for Black, continuing 7. c5 e4 8. cxb6 exf3 9. Bxf3 Bxf3 10. Qxf3 Nc6 11. d5. The position is roughly equal (+0.19). The next best moves are 6… g6 (+0.58) and 6… e6 (+0.59).
Is the Alekhine Defense: Modern Variation, Alekhine Gambit a good opening?
Stockfish rates the position at +0.19: 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 Alekhine Defense: Modern Variation, Alekhine 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+).