King's Indian Defense: Orthodox Variation, Classical System, Benko Attack

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.Ne1 Nd7 10.f3 f5 11.g4

ECO E99

The King's Indian Defense: Orthodox Variation, Classical System, Benko Attack is a chess opening line in the King's Indian Defense complex, reached after 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.Ne1 Nd7 10.f3 f5 11.g4.

It is catalogued under code E99 in the Encyclopaedia of Chess Openings (ECO).

The defining move g4 is chosen by White on move 11.

Study this line with a grandmaster

This position is covered in the King's Indian Defense with ...e5 course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

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