Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Delayed_Alapin
Moves: 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. d3 c4 6. d4 Nxe4 7. Bxc4 g6 8. Bd5
Bc6 9. Qb3 Nd7 *
Position (FEN): r2qkb1r/pp1npp1p/2bp2p1/3B4/3Pn3/1QP2N2/PP3PPP/RNB1K2R w KQkq - 4 10
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 808
Best move: Bxf7#