Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. O-O
O-O 9. Bg5 h6 10. Bxf6 Bxf6 11. dxc5 d4 12. Na4 Bg4 13. h3 Bf5 14. a3 Rc8 15.
b4 b5 16. Nb2 a5 17. Nd3 Bxd3 18. exd3 axb4 19. axb4 Nxb4 20. Qb3 Nd5 21. Qxb5
Qc7 22. Nd2 Nc3 23. Qb3 Qxc5 24. Nc4 Rb8 25. Qc2 Rfe8 26. Rfe1 g6 27. h4 h5 28.
Bf3 Kg7 29. Kg2 Nd5 30. Rxe8 Rxe8 31. Ra5 Nb4 32. Qb3 Qe7 33. Rb5 Na6 34. Rb7
Qe1 35. Rxf7+ Kxf7 36. Nd6+ Ke7 37. Nxe8 Kxe8 38. Qb5+ Ke7 39. Qxa6 Qe5 40.
Qb7+ Kf8 41. Bd5 Qe7 42. Qc8+ Qe8 43. Qa6 Qe7 44. Be4 Kg7 45. Qc6 Qe5 46. Qa8
Qe7 47. Bd5 Qf8 48. Qc6 Qe7 49. Qc8 Qf8 50. Qe6 Be7 51. f4 Bf6 52. Be4 Qe7 53.
Qc6 Qa7 54. Qe8 Qa2+ 55. Kh3 Qf7 56. Qc6 Qe7 57. g4 hxg4+ 58. Kxg4 Kh6 59. h5
gxh5+ 60. Kf3 Qg7 61. Bf5 h4 62. Ke2 Qf7 63. Qf3 Qe7+ 64. Kd1 Qe3 65. Qg4 Qe8
66. Be4 Qf7 67. Qf5 Qg7 68. Kc2 Be7 69. Qe6+ Qf6 70. Qg8 Qg7 71. Qe8 h3 72. Qd7
Qf6 73. Qxh3+ Qh4 74. Qe6+ Qf6 75. Qg8 Qg7 76. Qe8 Qf6 77. Kd1 Qg7 78. Bf3 Qf6
79. Qh5+ Kg7 80. Be4 Kf8 81. Bg6 Qxf4 *
Position (FEN): 5k2/4b3/6B1/7Q/3p1q2/3P4/8/3K4 w - - 0 82
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 598
Best move: Qh8#