Chess puzzle (Checkmate)
Opening: Italian_Game, Italian_Game_Giuoco_Piano
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Re1 O-O 6. c3 h6 7. d4 exd4 8.
cxd4 Bb6 9. e5 Nh7 10. Bb3 d5 11. Bc2 Bg4 12. Qd3 Bxf3 *
Position (FEN): r2q1rk1/ppp2ppn/1bn4p/3pP3/3P4/3Q1b2/PPB2PPP/RNB1R1K1 w - - 0 13
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 646
Best move: Qxh7#