Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Be7 6. Bc4 d6 7. O-O Nf6 8.
Re1 O-O 9. a4 Bd7 10. Nd2 Re8 11. Nf1 Bf8 12. Ng3 g6 13. Bg5 Bg7 14. Qd2 a6 15.
b3 Qc8 16. Bh6 Bh8 17. Qg5 Nxd4 18. cxd4 Be6 19. Rac1 Bxc4 20. Rxc4 c6 21. e5
Qg4 22. Qc1 Nd5 23. exd6 Qd7 24. Ne4 f5 25. Nc5 Qxd6 26. Nxb7 Rxe1+ 27. Qxe1
Qd7 28. Nc5 Re8 29. Qf1 Qc8 30. h4 a5 31. Nd3 Qb8 32. Rxc6 Qxb3 33. Nc5 Qb2 34.
Qa6 Bg7 35. Bxg7 Kxg7 36. Qxa5 Qc1+ 37. Kh2 Qf4+ 38. Kg1 Qxd4 39. Ne6+ Rxe6 40.
Rxe6 Nf4 41. Qe1 Nxe6 42. Qxe6 Qxa4 43. Qe7+ Kh6 44. Qg5+ Kg7 45. Qe7+ Kg8 46.
Kh2 Qf4+ 47. Kg1 Qc1+ 48. Kh2 Qf4+ 49. Kg1 Qd4 50. g3 Qd1+ 51. Kg2 Qd5+ 52. Kh2
Qf7 53. Qe5 h6 54. h5 gxh5 55. Kh3 Kh7 56. Qf4 Kg6 57. Kh4 Qf6+ 58. Kh3 Qg5 59.
Qd6+ Qf6 60. Qf4 Qe6 61. Qd4 Qe4 62. Qb6+ Kg5 63. Qd8+ Kg6 64. Qg8+ Kf6 65.
Qf8+ Kg6 66. Qg8+ Kf6 67. Qf8+ Ke5 68. Qe7+ Kd4 69. Qf6+ Kd3 70. Qxh6 *
Position (FEN): 8/8/7Q/5p1p/4q3/3k2PK/5P2/8 b - - 0 70
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1575
Best move: Qh1#