ECO A00 · Polish Opening

Polish Opening: Schiffler-Sokolsky Variation

1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3

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

4… Nbd7−0.19

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

Analyze this position

In the Polish Opening: Schiffler-Sokolsky Variation (A00), reached after 1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3, Stockfish 18 recommends 4… Nbd7 for Black. The position is roughly equal (−0.19).

Top engine moves

  1. −0.194… Nbd7 5. c4 Bd6 6. Nf3 O-O 7. Be2 e5 8. d4 e4 9. Ne5
  2. −0.184… Bd6 5. c4 O-O 6. Nf3 Nbd7 7. Be2 c6 8. a4 e5 9. d4
  3. −0.134… a6 5. a4 Bd6 6. Nf3 O-O 7. c4 c6 8. Be2 Nbd7 9. d4

Frequently asked questions

What is the best move in the Polish Opening: Schiffler-Sokolsky Variation?
After 1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3, Stockfish 18 at depth 18 recommends 4… Nbd7 for Black, continuing 5. c4 Bd6 6. Nf3 O-O 7. Be2 e5 8. d4 e4 9. Ne5. The position is roughly equal (−0.19). The next best moves are 4… Bd6 (−0.18) and 4… a6 (−0.13).
Is the Polish Opening: Schiffler-Sokolsky Variation a good opening?
Stockfish rates the position at −0.19: 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 Polish Opening: Schiffler-Sokolsky Variation?
A00. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).