Sicilian Defense: Modern Variations, Main Line

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6

ECO B54

The Sicilian Defense: Modern Variations, Main 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.

It is catalogued under code B54 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nf6 is chosen by Black on move 4.

The Sicilian Defense: Modern Variations, Main Line is a line of the Sicilian Defense. The Sicilian Defense is a chess opening that begins 1.e4 c5. Read the complete Sicilian Defense guide: what it is, how to reach it, its main variations, how to play against it, and its history.

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.