B23

Sicilian Defense: Closed

1. e4 c5 2. Nc3 e6 3. g3

The Sicilian Defense: Closed is a chess opening classified under ECO code B23. It is reached after the moves 1. e4 c5 2. Nc3 e6 3. g3.

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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