Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 h6 6. h3 O-O 7. O-O d6 8. Be3
Bxe3 9. fxe3 Ne7 10. Nh4 c6 11. Qf3 b5 12. Bb3 Kh7 13. Qg3 a5 14. a3 a4 15. Ba2
Nh5 16. Qf3 Nf6 17. Ne2 Qb6 18. Kh1 Be6 19. Ng3 Qc5 20. c3 Bxa2 21. Rxa2 d5 22.
exd5 Nexd5 23. e4 Nf4 24. Ne2 Nxe2 25. Qxe2 Rad8 26. Raa1 Qd6 27. Rad1 Nd7 28.
Qg4 Nc5 29. Qf5+ g6 30. Qg4 Nxd3 31. Qf3 c5 32. Qe2 c4 33. Nf3 Qe7 34. Nh2 Nf4
35. Qe3 Qg5 36. Ng4 Rd3 37. Qf2 Rfd8 38. Rxd3 Rxd3 39. Re1 h5 40. Nh2 Rg3 41.
Rg1 h4 42. Nf3 Qh5 43. Kh2 f5 44. exf5 Qxf5 45. Nxh4 Rxh3+ 46. gxh3 *
Position (FEN): 8/7k/6p1/1p2pq2/p1p2n1N/P1P4P/1P3Q1K/6R1 b - - 0 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 515
Best move: Qxh3#