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.

The King's Indian Defense: Fianchetto Variation, Pterodactyl Variation is a line of the King's Indian Defense. The King's Indian Defense is a chess opening that begins 1.d4 Nf6 2.c4 g6, with Black fianchettoing the bishop to g7 and castling before challenging the center with ...e5 or ...c5. Read the complete King's Indian Defense guide: what it is, how to reach it, its main variations, how to play against it, and its history.

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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.