Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 h6 6. a3 O-O 7. Nc3 d6 8. h3
Be6 9. Nd5 Bxd5 10. exd5 Ne7 11. b4 Bb6 12. Be3 Nfxd5 13. Bxd5 Nxd5 14. c4 Nxe3
15. fxe3 Bxe3+ 16. Kh1 Bd4 17. Nxd4 exd4 18. Qg4 c5 19. bxc5 dxc5 20. Rf5 b6
21. Raf1 Qd7 22. Qg3 Rac8 23. Rd5 Qc7 24. Qf3 Rcd8 25. Rh5 Kh7 26. Qe4+ g6 27.
Rh4 Rde8 28. Qf3 Re3 29. Qd1 Qg3 30. Rg4 Qe5 31. Rgf4 Kg7 32. Kg1 f5 33. R4f3
Re8 34. Rxe3 Qxe3+ 35. Kh1 Qe2 36. Qb1 Re3 37. Rd1 Rg3 38. Rg1 Qxd3 39. Qe1
Rxh3+ 40. gxh3 *
Position (FEN): 8/p5k1/1p4pp/2p2p2/2Pp4/P2q3P/8/4Q1RK b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1174
Best move: Qxh3#