Hungarian Opening: Dutch Defense is a chess opening with the ECO code A00, part of the Hungarian Opening family. It goes 1. g3 f5. White opens with 1. g3 (the King's fianchetto) and Black answers 1... f5. After 2 moves it is White to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
White starts with 1.g3 to fianchetto the bishop at once. It is flexible and can transpose to the English, Réti or King's Indian Attack.