ECO A05

Polish Opening: Zukertort System

Polish Opening: Zukertort System is a chess opening classified under ECO A05. Its defining line here is 1. Nf3 Nf6 2. b4 g6 3. Bb2.

Polish Opening: Zukertort System — board position

1. Nf3 Nf6 2. b4 g6 3. Bb2

The diagram shows the position after 1. Nf3 Nf6 2. b4 g6 3. Bb2. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

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