ECO D31 · Semi-Slav Defense

Semi-Slav Defense: Accelerated Move Order

1. d4 d5 2. c4 e6 3. Nc3 c6

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

4. e4+0.38

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Semi-Slav Defense: Accelerated Move Order (D31), reached after 1. d4 d5 2. c4 e6 3. Nc3 c6, Stockfish 18 recommends 4. e4 for White. White is slightly better (+0.38).

Top engine moves

  1. +0.384. e4 dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Nf3 Bb4+ 8. Bd2 Bxd2+
  2. +0.384. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7
  3. +0.314. e3 Nd7 5. Bd3 Ngf6 6. Nf3 dxc4 7. Bxc4 b5 8. Bd3 Bb7

Frequently asked questions

What is the best move in the Semi-Slav Defense: Accelerated Move Order?
After 1. d4 d5 2. c4 e6 3. Nc3 c6, Stockfish 18 at depth 18 recommends 4. e4 for White, continuing dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Nf3 Bb4+ 8. Bd2 Bxd2+. White is slightly better (+0.38). The next best moves are 4. Nf3 (+0.38) and 4. e3 (+0.31).
Is the Semi-Slav Defense: Accelerated Move Order a good opening?
Stockfish rates the position at +0.38: 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 Semi-Slav Defense: Accelerated Move Order?
D31. 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+).