Sicilian Defense: Najdorf Variation, Ivkov Variation

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 Qa5 8.Qd2 e6 9.O-O-O b5 10.Bb3 Bb7 11.Rhe1 Nc5 12.e5

ECO B94

The Sicilian Defense: Najdorf Variation, Ivkov Variation 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 a6 6.Bg5 Nbd7 7.Bc4 Qa5 8.Qd2 e6 9.O-O-O b5 10.Bb3 Bb7 11.Rhe1 Nc5 12.e5.

It is catalogued under code B94 in the Encyclopaedia of Chess Openings (ECO).

The defining move e5 is chosen by White on move 12.

Study this line with a grandmaster

This position is covered in the 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.