King's Indian Attack

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Overview

King's Indian Attack is a named branch in the Flank Openings group of chess theory, classified under ECO A07.

The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.

It is reached after 3 plies of play, with the move sequence 1. Nf3 d5 2. g3.

In the opening tree, this line branches off from Zukertort Opening, part of the broader Zukertort Opening system.

6 distinct sub-variations branch from this opening; prominent examples include English Opening: Agincourt Defense, Neo-Catalan Declined, Double Fianchetto, Keres Variation, and others.

In total, the branch covers 18 sub-variations across all depths.

Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.

ECO code: A07
Group: Flank Openings (A)
Plies: 3
Parent: Zukertort Opening
Direct variations: 6
Total in subtree: 18

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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Variations (6)

Show all 18 sub-variations (full subtree)

Overview

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Variations (6)

Related variations at the same level