Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Bb5 Qb6 8. Be3
Bd7 9. Nf5 *
Position (FEN): r3k1nr/pp1bppbp/1qnp2p1/1B3N2/4PP2/2N1B3/PPP3PP/R2QK2R b KQkq - 6 9
Black to move.
Themes:  Middlegame  
Puzzle rating: 1636
Best move: Bxc3+