King's Indian Attack: Wahls Defense

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d5

ECO A05

The King's Indian Attack: Wahls Defense is a chess opening line in the King's Indian Attack complex, reached after 1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d5.

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

The defining move d5 is chosen by Black on move 5.

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.