Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Bc4 Nc6 3. Nf3 Nf6 4. Nc3 a6 5. O-O b5 6. Bd3 Bb7 7. h3 Be7 8. e5
Nh5 9. Nh2 Nf4 10. Qg4 Nxd3 11. Qxg7 Rf8 12. cxd3 Nd4 13. Qxh7 Bb4 14. Ng4 Qg5
15. a3 Bxc3 16. dxc3 Ne2+ 17. Kh1 Nxc1 18. Raxc1 O-O-O 19. Qh6 Qf5 20. Qe3 Rh8
21. f3 Rdg8 22. c4 Rxg4 23. fxg4 Qxg4 24. Rg1 Rxh3+ 25. Qxh3 *
Position (FEN): 2k5/1bpp1p2/p3p3/1p2P3/2P3q1/P2P3Q/1P4P1/2R3RK b - - 0 25
Black to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 1446
Best move: Qxh3#