ECO D17 · Slav Defense

Slav Defense: Czech Variation, Bled Attack

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Nh4

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

6… Bd7+0.01

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

Analyze this position

In the Slav Defense: Czech Variation, Bled Attack (D17), reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Nh4, Stockfish 18 recommends 6… Bd7 for Black. The position is roughly equal (+0.01).

Top engine moves

  1. +0.016… Bd7 7. g3 e6 8. e4 Bb4 9. Bg2 c5 10. O-O cxd4 11. Qxd4
  2. +0.356… e6 7. Nxf5 exf5 8. e3 Bb4 9. Bxc4 O-O 10. O-O Nbd7 11. f3
  3. +0.386… Bc8 7. Nf3 Bf5 8. e3 e6 9. Bxc4 Bb4 10. O-O O-O 11. Qe2

Frequently asked questions

What is the best move in the Slav Defense: Czech Variation, Bled Attack?
After 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Nh4, Stockfish 18 at depth 18 recommends 6… Bd7 for Black, continuing 7. g3 e6 8. e4 Bb4 9. Bg2 c5 10. O-O cxd4 11. Qxd4. The position is roughly equal (+0.01). The next best moves are 6… e6 (+0.35) and 6… Bc8 (+0.38).
Is the Slav Defense: Czech Variation, Bled Attack a good opening?
Stockfish rates the position at +0.01: 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: Czech Variation, Bled 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+).