Zukertort Opening: Double Fianchetto Attack

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d6 6.O-O

ECO A05

The Zukertort Opening: Double Fianchetto Attack is a chess opening line in the Zukertort Opening complex, reached after 1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d6 6.O-O.

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

The defining move O-O is chosen by White on move 6.

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