Caissa Codex
A05

Polish Opening: Zukertort System

Chess diagram: Polish Opening: Zukertort System after 3. Bb2

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

125,885 games: White 47.6% / Draw 5.8% / Black 46.6%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
122,465122K
1,2741,274
856856
674674
119119
114114
9494
9292

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 29, 2026

Engine evaluation

+0.08 The position is about equal

Best play: 3... Bg7 4. c4 O-O 5. e3 c6 6. a4 d5 7. Be2 dxc4 8. Bxc4

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Polish Opening: Zukertort System (ECO A05, Flank Openings) is a variation of the Zukertort Opening, reached after 1. Nf3 Nf6 2. b4 g6 3. Bb2 (3 moves).

In 125,885 rated Lichess games between players rated 1600 to 2500, White won 47.6%, Black 46.6% and 5.8% were drawn. Black's most played move here is 3…Bg7, in 97% of those games.

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Other lines from the same position

Instead of 2. b4 g6 3. Bb2, the position after Zukertort Opening also goes on to:

Transpositions

This position is also reached from these lines, by another move order:

Cite this page

Caissa Codex. “Polish Opening: Zukertort System (A05)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/polish-opening-zukertort-system

https://chesscodex.org/openings/polish-opening-zukertort-system