Chess puzzle (Checkmate)
Opening: Kings_Gambit_Declined, Kings_Gambit_Declined_Classical_Variation
Moves: 1. e4 e5 2. f4 Bc5 3. Nf3 Nc6 4. Bc4 d6 5. fxe5 Nxe5 6. d4 Nxc4 7. dxc5 Nf6 8.
b3 Na5 9. cxd6 cxd6 10. Bg5 O-O 11. O-O Qb6+ 12. Kh1 Nxe4 13. Qe2 Nxg5 14. Nxg5
Qd4 15. Nd2 Bd7 16. Ndf3 Qf6 17. c4 Nc6 18. Qd3 h6 *
Position (FEN): r4rk1/pp1b1pp1/2np1q1p/6N1/2P5/1P1Q1N2/P5PP/R4R1K w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 734
Best move: Qh7#