Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. Nge2 Nf6 6. d3 O-O 7. O-O Nc6 8. Be3
a6 9. a3 Nd7 10. f4 Nd4 11. Bxd4 cxd4 12. Nb1 Nc5 13. Nd2 Bg4 14. h3 Bxe2 15.
Qxe2 Rb8 16. g4 e6 17. Nf3 Qb6 18. b3 Nd7 19. f5 exf5 20. gxf5 Ne5 21. Nh2 Qd8
22. Qf2 Nd7 23. Kh1 Nf6 24. Ng4 Rc8 25. Rac1 Rc7 26. Qh4 Nh5 27. Qxd8 Rxd8 28.
f6 Ng3+ 29. Kh2 Nxf1+ 30. Bxf1 h5 31. fxg7 h4 32. Be2 Kxg7 33. Nf2 Rdc8 34. Bd1
Rh8 35. Bg4 Re8 36. Nd1 Re5 37. Nb2 b6 38. Nc4 Rec5 39. Rf1 b5 40. b4 Rg5 41.
Nxd6 Rxc2+ 42. Kh1 f6 43. Ne8+ Kh7 44. Nxf6+ Kh6 45. Nd5 Rd2 46. Nf4 Ra2 47.
Ne6 Re5 48. Rf6 Kh7 49. Nxd4 Rxa3 50. Nc6 Re8 51. Rf7+ Kh6 52. e5 Rxd3 53. e6
Rd6 54. e7 Rxc6 55. Bd7 Rc1+ 56. Kg2 Rc2+ 57. Kf1 Rxe7 58. Rxe7 Rc1+ 59. Kf2
Rc2+ 60. Kf3 Rc4 61. Bc8 Rxb4 62. Bxa6 Rb3+ 63. Kg4 b4 64. Rb7 Rb1 65. Bc4 Rb2
66. Bg8 Rg2+ 67. Kf3 Rg3+ 68. Kf4 g5+ 69. Kf5 Rf3+ 70. Kg4 *
Position (FEN): 6B1/1R6/7k/6p1/1p4Kp/5r1P/8/8 b - - 3 70
Black to move.
Themes:   Mate in 1 
Puzzle rating: 1500
Best move: Rf4#