Ruy Lopez: Steinitz Defense Deferred, Boleslavsky Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.Bxc6+ bxc6 7.d4 Nxe4 8.Re1 f5 9.dxe5 d5 10.Nc3

ECO C79

The Ruy Lopez: Steinitz Defense Deferred, Boleslavsky Variation is a chess opening line in the Ruy Lopez complex, reached after 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.Bxc6+ bxc6 7.d4 Nxe4 8.Re1 f5 9.dxe5 d5 10.Nc3.

It is catalogued under code C79 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nc3 is chosen by White on move 10.

Study this line with a grandmaster

This position is covered in the Marshall Attack 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.