Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. O-O Nf6 7. Nc3 Nd7 8.
Be3 b6 9. Qd2 h6 10. h3 Nf8 11. Rad1 e5 12. Nh2 Ne6 13. Ne2 Qe7 14. f4 exf4 15.
Nxf4 Nxf4 16. Bxf4 Be6 17. Nf3 O-O-O 18. a4 a5 19. Be5 f6 20. Bc3 g5 21. Qf2 h5
22. d4 g4 23. hxg4 hxg4 24. Nh4 cxd4 25. Rxd4 Qc7 26. Rxd8+ Qxd8 27. Nf5 Qc7
28. Nxg7 *
Position (FEN): 2k4r/2q3N1/1pp1bp2/p7/P3P1p1/2B5/1PP2QP1/5RK1 b - - 0 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 861
Best move: Qh2#