Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 g6 5. a3 Bg7 6. d3 O-O 7. Bd5 e6 8. Ba2
Nbd7 9. Be3 b6 10. h3 a5 11. Nb5 Ba6 12. Bc4 *
Position (FEN): r2q1rk1/3n1pbp/bp1ppnp1/pNp5/2B1P3/P2PBN1P/1PP2PP1/R2QK2R b KQ - 3 12
Black to move.
Themes:  Opening  
Puzzle rating: 1526
Best move: d5