Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Bc5 6. a4 Qa5 7. Rb1 Nf6 8. e5
Nd5 9. Ne2 O-O 10. Bd2 Qb6 11. Nxd5 *
Position (FEN): rnb2rk1/1p1p1ppp/pq2p3/2bNP3/P7/8/1PPBNPPP/1R1QKB1R b K - 0 11
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 720
Best move: Bxf2#