Polish Opening: Zukertort System

1.Nf3 Nf6 2.b4 g6 3.Bb2

ECO A05

The Polish Opening: Zukertort System is a chess opening line in the Polish Opening complex, reached after 1.Nf3 Nf6 2.b4 g6 3.Bb2.

It is catalogued under code A05 in the Encyclopaedia of Chess Openings (ECO).

The defining move Bb2 is chosen by White on move 3.

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