Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Delayed_Alapin
Moves: 1. e4 d6 2. Nf3 c5 3. c3 Nf6 4. e5 dxe5 5. Nxe5 Bf5 6. Bb5+ Nbd7 7. Qa4 a6 8.
Bxd7+ Nxd7 9. O-O b5 10. Qf4 Bxb1 *
Position (FEN): r2qkb1r/3npppp/p7/1pp1N3/5Q2/2P5/PP1P1PPP/RbB2RK1 w kq - 0 11
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 566
Best move: Qxf7#