Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.g3 b5 5.d4 cxd4 6.Nxd4

ECO B40

The Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.g3 b5 5.d4 cxd4 6.Nxd4.

It is catalogued under code B40 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nxd4 is chosen by White on move 6.

Study this line with a grandmaster

This position is covered in the Attacking the Paulsen Sicilian 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.