Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O Nxd4 9.Qxd4 a6 10.f4 b5

ECO B63

The Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O Nxd4 9.Qxd4 a6 10.f4 b5.

It is catalogued under code B63 in the Encyclopaedia of Chess Openings (ECO).

The defining move b5 is chosen by Black on move 10.

Study this line with a grandmaster

This position is covered in the The English Attack vs. Najdorf 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.