Flank openings

King's Indian Attack

1.Nf3 d5 2.g3

The King's Indian Attack starts with 1.Nf3 d5 2.g3 and is catalogued under ECO A07, in the flank openings half of the book. The catalog indexes 20 lines inside it, grouped into 12 named variations.

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Current setup

Move ideas

  1. 1.Nf3

    Develops a knight toward the center, where it controls e5 and d4.

    Idea: Add central influence while preparing to castle kingside.

  2. 1…Nf6

    Develops the knight to f6, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  3. 2.g3

    Advances the g-pawn to gain kingside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  4. 2…b5

    Advances the b-pawn to gain queenside space and control new squares.

    Idea: Prepare a fianchetto or discourage the opponent’s expansion on that wing.

Book continuations

Waiting for Lichess game popularity.

0 moves
This is the end of the indexed line.

Named variations

Each line below is an indexed entry under King's Indian Attack. Open one to load it on the board and keep exploring from that position.

Openings from the same volume

ECO groups openings by the structures they lead to, so these families tend to share plans with the King's Indian Attack.