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Polish Opening

Zukertort System

A05positionaloffbeat

  1. 1.Nf3Nf6
  2. 2.b4g6
  3. 3.Bb2
1,722 games49%47%

A05 line of the Polish Opening reached via 1. Nf3, in which Black meets b4 and Bb2 with a kingside fianchetto, giving balanced flank play.

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About the Zukertort System

The Polish Opening: Zukertort System, 1. Nf3 Nf6 2. b4 g6 3. Bb2, reaches the Polish setup through a knight-first move order and is classified under A05. Black's kingside fianchetto contests the long diagonal directly, and 3...Bg7 follows in almost every game, setting bishop against bishop on a1-h8. The position can also arise from the Polish King's Indian Variation. Engines rate it as balanced, and decisive results split nearly evenly, with few draws.

Popular continuations