B21

Sicilian Defense: Coles Sicilian Gambit

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bc4

The Sicilian Defense: Coles Sicilian Gambit is a chess opening classified under ECO code B21. It is reached after the moves 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bc4.

It belongs to the Sicilian Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

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