Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Busch-Gass_Gambit
Moves: 1. e4 e5 2. Nf3 Bc5 3. Bc4 Nf6 4. O-O O-O 5. Nxe5 Nxe4 6. d4 d5 7. Be2 Bd6 8.
c3 f6 9. Nf3 Nc6 10. c4 dxc4 11. Bxc4+ Kh8 12. Nc3 Nxc3 13. bxc3 Bg4 14. Qd3 f5
15. Ng5 f4 *
Position (FEN): r2q1r1k/ppp3pp/2nb4/6N1/2BP1pb1/2PQ4/P4PPP/R1B2RK1 w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 669
Best move: Qxh7#