King's Indian Defense: Fianchetto Variation, Pterodactyl Variation

1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 c5 5.Bg2 Qa5+

ECO E64

The King's Indian Defense: Fianchetto Variation, Pterodactyl Variation is a chess opening line in the King's Indian Defense complex, reached after 1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 c5 5.Bg2 Qa5+.

It is catalogued under code E64 in the Encyclopaedia of Chess Openings (ECO).

The defining move Qa5+ is chosen by Black on move 5.

Study this line with a grandmaster

This position is covered in the Grunfeld Defense 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.