Benoni Defense: King's Indian System

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6

ECO A56

The Benoni Defense: King's Indian System is a chess opening line in the Benoni Defense complex, reached after 1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6.

It is catalogued under code A56 in the Encyclopaedia of Chess Openings (ECO).

The defining move g6 is chosen by Black on move 5.

Study this line with a grandmaster

This position is covered in the Benko Gambit 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.