E00-E99

The Classical Variation of the KID. White develops with Nf3 and e4, leading to the most famous and deeply analyzed lines in the opening.

The Classical KID with 6.Be2. White completes development and prepares for the central clash that defines the King's Indian.

The Gligoric System. White plays Be3 early to maintain central tension and avoid the most forcing main-line variations.

The Petrosian System. White plays d5 to lock the center immediately, leading to a deep strategic struggle and maneuvering game.

The Classical Main Line with 7.O-O. The starting point for the legendary battles involving the e5-break and the kingside pawn storm.

The Classical KID with 7...Nbd7. Black prepares for a central breakthrough while maintaining a very solid and flexible piece coordination.

Theoretical refinements of the 7...Nbd7 Classical KID. Both sides reach a peak of positional complexity.

The Bayonet Attack. White plays 9.b4 to launch a rapid queenside offensive. It is the most modern and popular way to meet the main-line KID.

The Classical Main Line with 9.Ne1. White reroutes the knight to support the kingside defense and prepare for a queenside breakthrough.

The ultimate theoretical extension of the King's Indian. A massive complex of computer-analyzed lines that represents the peak of modern chess theory.