Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d4 e4 6. Nfd2 Ne7 7. c4 c6 8. e3 O-O
9. Nc3 Be6 10. b3 Nd7 11. Ba3 Re8 12. Rc1 a6 13. Qc2 Nf5 14. cxd5 cxd5 15. Qb2
h5 16. Na4 h4 17. Nc5 Nxc5 18. Bxc5 Qg5 19. Rfe1 Rac8 20. Nf1 Nh6 21. Bd6 Qf5
22. Rxc8 Rxc8 23. Rc1 Rd8 24. Bc7 Re8 25. Bf4 g5 26. Bd6 Qg6 27. Be5 Bf8 28.
Rc7 f6 29. Rxb7 fxe5 30. dxe5 hxg3 31. hxg3 Re7 32. Rb6 Qf5 33. Rxa6 Ng4 34.
Bh3 Kf7 35. Qe2 Qf3 36. Qxf3+ exf3 37. Rxe6 Kxe6 38. Bxg4+ Kxe5 39. Nd2 Ra7 40.
Nxf3+ Kf6 41. a4 Bc5 42. Kg2 Rb7 43. Nd2 Bb4 44. Nf3 Bc3 45. Nh2 Rxb3 46. Bf3
d4 47. exd4 Bxd4 48. Ng4+ Ke6 49. Bc6 Rb2 50. Bb5 Kf5 51. Bd7+ Ke4 52. Bc6+ Kd3
53. Bb5+ Kd2 54. Kf3 Ke1 55. Ke4 Bxf2 56. Kf5 Bxg3 57. Kxg5 Bc7 58. Kf5 Kd2 59.
Ke4 Kc3 60. Ne3 Kb3 61. Nc4 Re2+ 62. Kd3 Re7 63. Ne3 Ba5 64. Nd5 Rh7 65. Kd4
Bb4 66. Ke5 Rh5+ 67. Ke6 Rh6+ 68. Ke5 Ba5 69. Ke4 Rh4+ 70. Kf5 Rh8 71. Ke6 Rb8
72. Kd6 Rd8+ 73. Kc6 Rh8 74. Ne7 Rh6+ 75. Kd7 Rh7 76. Ke6 Bb4 77. Nc6 Rh6+ 78.
Kd5 Rh5+ 79. Ke4 Rh4+ 80. Kd5 Rh8 81. Nd4+ Ka3 82. Nc6 Ba5 83. Ke4 Bc3 84. Kd3
Rh3+ 85. Kc4 Bd2 86. Kd5 Rh4 87. Nd4 Be1 88. Ne6 Rh5+ 89. Kc6 Kb4 90. Kd7 Ka5
91. Nc5 Rh7+ 92. Kc6 Bb4 *
Position (FEN): 8/7r/2K5/kBN5/Pb6/8/8/8 w - - 71 93
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1770
Best move: Nb3#