ECO D15 · Slav Defense

Slav Defense: Alekhine Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3

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

5… b5+0.11

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

Analyze this position

In the Slav Defense: Alekhine Variation (D15), reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3, Stockfish 18 recommends 5… b5 for Black. The position is roughly equal (+0.11).

Top engine moves

  1. +0.115… b5 6. a4 b4 7. Na2 e6 8. Bxc4 Bb7 9. b3 Nbd7 10. O-O
  2. +0.505… Bf5 6. Bxc4 e6 7. O-O Nbd7 8. Re1 Ne4 9. Bd3 Ndf6 10. a4
  3. +0.575… Bg4 6. Bxc4 e6 7. O-O Nbd7 8. Re1 Bb4 9. Bf1 O-O 10. h3

Frequently asked questions

What is the best move in the Slav Defense: Alekhine Variation?
After 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3, Stockfish 18 at depth 18 recommends 5… b5 for Black, continuing 6. a4 b4 7. Na2 e6 8. Bxc4 Bb7 9. b3 Nbd7 10. O-O. The position is roughly equal (+0.11). The next best moves are 5… Bf5 (+0.50) and 5… Bg4 (+0.57).
Is the Slav Defense: Alekhine Variation a good opening?
Stockfish rates the position at +0.11: 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 Slav Defense: Alekhine Variation?
D15. 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+).