Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. b3 Bg7 7. Bb2 Nc6 8. Bb5
Bd7 9. Nxc6 bxc6 10. Bd3 O-O 11. O-O Ng4 12. Qe1 h5 13. f4 Bd4+ 14. Kh1 e6 15.
h3 Ne3 16. Rf3 Ng4 17. hxg4 hxg4 18. Rf1 Kg7 19. g3 Rh8+ 20. Kg2 Rh3 21. Rh1
Qh8 22. Qe2 Qh5 23. e5 Rh8 24. Raf1 Rh2+ 25. Rxh2 *
Position (FEN): 7r/p2b1pk1/2ppp1p1/4P2q/3b1Pp1/1PNB2P1/PBP1Q1KR/5R2 b - - 0 25
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 497
Best move: Qxh2#