Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qc3 e5 5. Qf3 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8.
Bc4 Nd4 9. Qh5 O-O 10. c3 Nc2+ 11. Kd1 Nxa1 12. Nd2 d6 13. Nh3 Bxh3 14. gxh3
Qb6 15. Ke2 Qxb2 16. Rg1 Nc2 17. Qg4 Rac8 18. Qd7 Rxc4 19. Qxd6 Kh8 *
Position (FEN): 5r1k/pp3ppp/3Q1b2/4p3/2r1P3/2P4P/PqnNKP1P/6R1 w - - 1 20
White to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 516
Best move: Qxf8#