ECO A00 · Polish Opening

Polish Opening: Grigorian Variation

1. b4 Nc6

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

2. b5+0.28

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

Analyze this position

In the Polish Opening: Grigorian Variation (A00), reached after 1. b4 Nc6, Stockfish 18 recommends 2. b5 for White. The position is roughly equal (+0.28).

Top engine moves

  1. +0.282. b5 Na5 3. Nf3 d5 4. d3 g6 5. Bb2 Nf6 6. Nbd2 Bg7
  2. +0.202. a3 e5 3. Bb2 d6 4. e3 Nf6 5. c4 g6 6. Nf3 Bg7
  3. −0.482. c3 e5 3. b5 Nce7 4. d4 e4 5. c4 Nf6 6. e3 d5

Frequently asked questions

What is the best move in the Polish Opening: Grigorian Variation?
After 1. b4 Nc6, Stockfish 18 at depth 18 recommends 2. b5 for White, continuing Na5 3. Nf3 d5 4. d3 g6 5. Bb2 Nf6 6. Nbd2 Bg7. The position is roughly equal (+0.28). The next best moves are 2. a3 (+0.20) and 2. c3 (−0.48).
Is the Polish Opening: Grigorian Variation a good opening?
Stockfish rates the position at +0.28: 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: Grigorian 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+).