Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bf1 e5 7. c4 Be7 8. h3
Nf6 9. Nc3 O-O 10. d3 h6 11. Ne2 Nd4 12. Ng3 Qc8 13. Be3 Kh7 14. Rb1 Rh8 15. b4
b6 16. Be2 Kg8 17. Bxd4 cxd4 18. Rc1 h5 19. Nh4 Rb8 20. Ngf5 Bxf5 21. Nxf5 Bf8
22. f4 exf4 23. Nxd4 Qc7 24. Rf1 Rc8 25. Qd2 b5 26. Qxf4 bxc4 27. Rxc4 Qb7 28.
Rxc8 Qxc8 29. Nf5 Qc2 30. Rf2 Qxa2 31. Kh2 Qb3 32. Qd2 d5 33. e5 Nd7 34. Qf4
Qxb4 35. Nd4 Qe7 36. Nf3 f6 37. d4 fxe5 38. dxe5 Rh7 39. Qd4 g6 40. Qxd5+ Rf7
41. Bc4 Kg7 42. Qxf7+ Qxf7 43. Bxf7 Kxf7 44. Ra2 Nc5 45. Ng5+ Ke7 46. Ra5 Kd7
47. e6+ Nxe6 48. Nxe6 Kxe6 49. Rxa6+ Kf7 50. Kg3 Kg7 51. Kf4 Kh6 52. h4 Be7 53.
g3 Kg7 54. Re6 Bf6 55. Ra6 Kf7 56. Ke4 Bd8 57. Ke5 Bc7+ 58. Kd5 Bxg3 59. Ra4
Kf6 60. Rc4 Kf5 61. Kd4 Bxh4 62. Ke3 Be7 63. Kf3 g5 64. Rc7 Bd6 65. Rc6 g4+ 66.
Kg2 Be5 67. Rc5 h4 68. Rb5 h3+ 69. Kh1 Kf4 70. Rb4+ Kg3 71. Rb3+ Kh4 72. Rb5
Bf4 73. Rb4 Kg5 74. Rb5+ Kf6 75. Ra5 Be5 76. Ra6+ Kf5 77. Ra5 g3 78. Rd5 Kf4
79. Ra5 Kg4 80. Ra4+ Bf4 81. Ra3 g2+ 82. Kg1 Kh4 83. Rd3 Kg4 84. Rb3 Bd6 85.
Rd3 Bc5+ 86. Kh2 *
Position (FEN): 8/8/8/2b5/6k1/3R3p/6pK/8 b - - 9 86
Black to move.
Themes: Advanced Pawn Endgame Mate in 1 Promotion
Puzzle rating: 1251
Best move: g1=Q#