ECO C17 · French Defense

French Defense: Winawer Variation, Bogoljubow Variation, Icelandic Defense

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. f4

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

6… cxd4−0.18

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

Analyze this position

In the French Defense: Winawer Variation, Bogoljubow Variation, Icelandic Defense (C17), reached after 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. f4, Stockfish 18 recommends 6… cxd4 for Black. The position is roughly equal (−0.18).

Top engine moves

  1. −0.186… cxd4 7. Nb5 Bc5 8. b4 a6 9. bxc5 axb5 10. a3 b6 11. cxb6
  2. −0.106… Nf5 7. Nce2 Ne3 8. Qc1 Bxd2+ 9. Qxd2 cxd4 10. Nxd4 Nxf1 11. Kxf1
  3. +0.196… Nbc6 7. Nb5 Bxd2+ 8. Qxd2 O-O 9. Nf3 Bd7 10. g3 a6 11. Nd6

Frequently asked questions

What is the best move in the French Defense: Winawer Variation, Bogoljubow Variation, Icelandic Defense?
After 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. f4, Stockfish 18 at depth 18 recommends 6… cxd4 for Black, continuing 7. Nb5 Bc5 8. b4 a6 9. bxc5 axb5 10. a3 b6 11. cxb6. The position is roughly equal (−0.18). The next best moves are 6… Nf5 (−0.10) and 6… Nbc6 (+0.19).
Is the French Defense: Winawer Variation, Bogoljubow Variation, Icelandic Defense a good opening?
Stockfish rates the position at −0.18: 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, Bogoljubow Variation, Icelandic Defense?
C17. 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+).