Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Scotch_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d6 5. Nxd4 Nxd4 6. Qxd4 Be6 7. Nc3 Bxc4
8. Qxc4 g6 9. f4 Bg7 10. O-O Ne7 11. f5 Nc6 12. fxg6 hxg6 *
Position (FEN): r2qk2r/ppp2pb1/2np2p1/8/2Q1P3/2N5/PPP3PP/R1B2RK1 w kq - 0 13
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 631
Best move: Qxf7#