Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Be2 O-O 8.O-O d6 9.Nb3 a5

ECO B74

The Sicilian Defense: Dragon Variation, Classical Variation, Alekhine Line is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Be2 O-O 8.O-O d6 9.Nb3 a5.

It is catalogued under code B74 in the Encyclopaedia of Chess Openings (ECO).

The defining move a5 is chosen by Black on move 9.

Study this line with a grandmaster

This position is covered in the Accelerated Dragon 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.