Benoni Defense: Fianchetto Variation, Hastings Defense

1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bg2 Bg7 8.Nf3 O-O 9.O-O Nbd7

ECO A63

The Benoni Defense: Fianchetto Variation, Hastings Defense is a chess opening line in the Benoni Defense complex, reached after 1.d4 Nf6 2.c4 e6 3.g3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bg2 Bg7 8.Nf3 O-O 9.O-O Nbd7.

It is catalogued under code A63 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nbd7 is chosen by Black on move 9.

One named continuation branches from this position: the Main Line.

Named variations

• Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line — ECO A64

Study this line with a grandmaster

This position is covered in the The Modern Benoni 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.