Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 Nc6 3. a4 a6 4. Bc4 e6 5. d3 Be7 6. Nge2 d6 7. O-O e5 8. Bd2
Nf6 9. f4 Bg4 10. f5 Bxe2 11. Qxe2 Nd4 12. Qd1 h6 13. Ne2 Nc6 14. Ng3 Qb6 15.
a5 Qd8 16. Nh5 Nxh5 17. Qxh5 Bf6 *
Position (FEN): r2qk2r/1p3pp1/p1np1b1p/P1p1pP1Q/2B1P3/3P4/1PPB2PP/R4RK1 w kq - 1 18
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 501
Best move: Qxf7#