B30

Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit

1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b4

The Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit is a chess opening classified under ECO code B30. It is reached after the moves 1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b4.

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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