ECO D17 · Slav Defense

Slav Defense: Czech Variation, Krause Attack

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

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

6… e6+0.36

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Slav Defense: Czech Variation, Krause Attack (D17), reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5, Stockfish 18 recommends 6… e6 for Black. White is slightly better (+0.36).

Top engine moves

  1. +0.366… e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4
  2. +0.436… Na6 7. e3 Nb4 8. Bxc4 e6 9. O-O Bc2 10. Qe2 Nd7 11. Nxd7
  3. +0.516… Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. f3 Nfd7 10. Nxd7 Nxd7 11. e4

Variations

Frequently asked questions

What is the best move in the Slav Defense: Czech Variation, Krause Attack?
After 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5, Stockfish 18 at depth 18 recommends 6… e6 for Black, continuing 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4. White is slightly better (+0.36). The next best moves are 6… Na6 (+0.43) and 6… Nbd7 (+0.51).
Is the Slav Defense: Czech Variation, Krause Attack a good opening?
Stockfish rates the position at +0.36: 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, Krause Attack?
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+).