ECO D17 · Slav Defense

Slav Defense: Czech Variation, Wiesbaden Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6

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

7. f3+0.52

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Slav Defense: Czech Variation, Wiesbaden Variation (D17), reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6, Stockfish 18 recommends 7. f3 for White. White is slightly better (+0.52).

Top engine moves

  1. +0.527. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4 Qxe4+
  2. +0.167. g3 Bb4 8. Bg2 Ne4 9. Bxe4 Bxe4 10. O-O Bg6 11. Nxc4 O-O
  3. +0.087. e3 Nbd7 8. Nxc4 Bb4 9. Be2 O-O 10. O-O Re8 11. Qb3 a5

Variations

Frequently asked questions

What is the best move in the Slav Defense: Czech Variation, Wiesbaden Variation?
After 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6, Stockfish 18 at depth 18 recommends 7. f3 for White, continuing Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4 Qxe4+. White is slightly better (+0.52). The next best moves are 7. g3 (+0.16) and 7. e3 (+0.08).
Is the Slav Defense: Czech Variation, Wiesbaden Variation a good opening?
Stockfish rates the position at +0.52: white is slightly 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 Slav Defense: Czech Variation, Wiesbaden Variation?
D17. 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+).