Chess puzzle (Checkmate)
Opening: Kings_Gambit_Declined, Kings_Gambit_Declined_Queens_Knight_Defense
Moves: 1. e4 e5 2. f4 Nc6 3. Nf3 f6 4. fxe5 fxe5 5. Bc4 h6 6. d4 Nf6 7. dxe5 Nxe4 8.
Qd5 Qe7 9. Qxe4 d6 10. Qg6+ Kd8 11. O-O dxe5 12. Rd1+ Bd7 13. Be6 Nb8 14. Nxe5
Qc5+ 15. Kh1 Qxe5 16. Bxd7 Nxd7 17. Qg4 Bd6 18. Nd2 *
Position (FEN): r2k3r/pppn2p1/3b3p/4q3/6Q1/8/PPPN2PP/R1BR3K b - - 3 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 653
Best move: Qxh2#