ECO C15 · French Defense

French Defense: Winawer Variation, Alekhine Gambit, Kan Variation

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6

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

7. Bb5+0.25

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

Analyze this position

In the French Defense: Winawer Variation, Alekhine Gambit, Kan Variation (C15), reached after 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6, Stockfish 18 recommends 7. Bb5 for White. The position is roughly equal (+0.25).

Top engine moves

  1. +0.257. Bb5 Ne7 8. Be3 O-O 9. Qd2 e5 10. dxe5 Qxd2+ 11. Bxd2 Nxe5
  2. +0.207. Bf4 Nf6 8. Bb5 Nd5 9. Bxc6+ bxc6 10. Qd2 Nxf4 11. Qxf4 Qxd4
  3. +0.177. d5 exd5 8. Qxd5 Be6 9. Qxd8+ Rxd8 10. Bf4 Nf6 11. Bxc7 Rd7

Frequently asked questions

What is the best move in the French Defense: Winawer Variation, Alekhine Gambit, Kan Variation?
After 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6, Stockfish 18 at depth 18 recommends 7. Bb5 for White, continuing Ne7 8. Be3 O-O 9. Qd2 e5 10. dxe5 Qxd2+ 11. Bxd2 Nxe5. The position is roughly equal (+0.25). The next best moves are 7. Bf4 (+0.20) and 7. d5 (+0.17).
Is the French Defense: Winawer Variation, Alekhine Gambit, Kan Variation a good opening?
Stockfish rates the position at +0.25: 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 French Defense: Winawer Variation, Alekhine Gambit, Kan Variation?
C15. ECO codes classify chess openings from A00 to E99; C is the volume for open games and the French Defense.

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