Chess puzzle (Checkmate)
Opening: Zukertort_Opening, Zukertort_Opening_Tennison_Gambit
Moves: 1. e4 d5 2. Nf3 dxe4 3. Ne5 f6 4. Nc4 b5 5. Ne3 Nc6 6. Bxb5 Bb7 7. Nc3 a6 8.
Ba4 f5 9. Nxf5 e6 10. Ne3 Bb4 11. Nxe4 Nf6 12. Nxf6+ Qxf6 13. c3 Bc5 14. d4 Bd6
15. O-O O-O 16. Bxc6 Bxc6 17. c4 Qf4 18. d5 *
Position (FEN): r4rk1/2p3pp/p1bbp3/3P4/2P2q2/4N3/PP3PPP/R1BQ1RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 990
Best move: Qxh2#