Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line

1.e4 c5 2.Nf3 a6 3.c3 d6

ECO B28

The Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 a6 3.c3 d6.

It is catalogued under code B28 in the Encyclopaedia of Chess Openings (ECO).

The defining move d6 is chosen by Black on move 3.

The Sicilian Defense: O'Kelly Variation, Venice System, Steiner 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.

Do you want to learn openings?

Start with 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.