♟
B31

San Francisco Gambit, Sicilian

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

Opening moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b4. This position is classified under ECO code B31.

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