Benoni Defense: Classical Variation, Full Line

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4

ECO A74

The Benoni Defense: Classical Variation, Full Line is a chess opening line in the Benoni Defense complex, reached after 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4.

It is catalogued under code A74 in the Encyclopaedia of Chess Openings (ECO).

The defining move a4 is chosen by White on move 10.

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.