ECO A00 · Polish Opening

Polish Opening: Bugayev Attack

1. b4 e5 2. a3

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

2… d5−0.39

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Polish Opening: Bugayev Attack (A00), reached after 1. b4 e5 2. a3, Stockfish 18 recommends 2… d5 for Black. Black is slightly better (−0.39).

Top engine moves

  1. −0.392… d5 3. e3 a5 4. Bb2 Nd7 5. bxa5 Rxa5 6. c4 dxc4 7. Bxc4
  2. −0.082… a5 3. Bb2 e4 4. e3 d5 5. c4 axb4 6. axb4 Rxa1 7. Bxa1
  3. −0.052… Nf6 3. Bb2 d6 4. e3 a5 5. Be2 Be7 6. c4 O-O 7. Nc3

Frequently asked questions

What is the best move in the Polish Opening: Bugayev Attack?
After 1. b4 e5 2. a3, Stockfish 18 at depth 18 recommends 2… d5 for Black, continuing 3. e3 a5 4. Bb2 Nd7 5. bxa5 Rxa5 6. c4 dxc4 7. Bxc4. Black is slightly better (−0.39). The next best moves are 2… a5 (−0.08) and 2… Nf6 (−0.05).
Is the Polish Opening: Bugayev Attack a good opening?
Stockfish rates the position at −0.39: black 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 Polish Opening: Bugayev Attack?
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+).