Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. d4 c6 6. Nf3 Bg4 7. Be2 e6 8.
O-O Be7 9. Be3 O-O 10. c3 Nd7 11. c4 Qh5 12. b3 Nf6 13. h3 Bxf3 14. Bxf3 Qa5
15. c5 Rad8 16. Qc2 Nd5 17. Bd2 Qc7 18. Bxd5 exd5 19. Be3 Bf6 20. Rfe1 Rfe8 21.
Rad1 Qc8 22. Qc1 Qf5 23. b4 a6 24. a4 Ra8 25. a5 h6 26. Qd2 Bg5 27. Bxg5 Qxg5
28. Qd3 Qf6 29. Rxe8+ Rxe8 30. Qg3 Qe7 31. Rd3 Qe1+ 32. Kh2 Qe7 33. Re3 Qd8 34.
Rxe8+ Qxe8 35. Qc7 Qa8 36. f4 g6 37. g4 Kg7 38. g5 hxg5 39. fxg5 Kg8 40. h4 Kg7
41. Kg3 Kg8 42. Kg4 Kg7 43. Qe5+ Kg8 44. h5 Qc8+ 45. Kh4 gxh5 46. Kxh5 *
Position (FEN): 2q3k1/1p3p2/p1p5/P1PpQ1PK/1P1P4/8/8/8 b - - 0 46
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 803
Best move: Qh3#