Zukertort Opening: Double Fianchetto Attack is a chess opening with the ECO code A05, part of the Zukertort Opening family. It goes 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O. White opens with 1. Nf3 (the Zukertort/Réti knight move) and Black answers 1... Nf6. After 11 moves it is Black to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. Nf3 – White plays the knight to f3
1... Nf6 – Black plays the knight to f6
2. g3 – White plays the pawn to g3
2... g6 – Black plays the pawn to g6
3. b3 – White plays the pawn to b3
3... Bg7 – Black plays the bishop to g7
4. Bb2 – White plays the bishop to b2
4... O-O – Black castles kingside
5. Bg2 – White plays the bishop to g2
5... d6 – Black plays the pawn to d6
6. O-O – White castles kingside
About the Zukertort Opening
White starts with 1.Nf3, a flexible move that develops and controls e5 and d4. White can later go into many different openings.
It stops ...e5 for now and keeps d4 or c4 options open.
Common follow-ups are g3, Bg2, O-O (a King's Indian Attack style).
Black can take the centre with ...d5 and ...c5; react calmly.
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