Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 Nf6 5. Bc4 a6 6. Nf3 b5 7. Be2 b4 8. Nb1
Nxe4 9. O-O d6 10. Bd3 Nf6 11. Bc4 O-O 12. c3 a5 13. a3 Nbd7 14. Bd2 Nb6 15.
Ba2 bxa3 16. Nxa3 Bg4 17. h3 Bxf3 18. Qxf3 e5 19. dxe6 fxe6 20. Bxe6+ Kh8 21.
Qd3 d5 22. Be3 Qd6 23. Rfe1 c4 24. Qd2 Ne4 25. Qc2 Qxe6 26. Bd4 Bxd4 27. cxd4
Qf5 28. f3 Ng5 29. Qe2 Rae8 30. Qxe8 Rxe8 31. Rxe8+ Kg7 32. Rae1 Qf6 33. R1e7+
Nf7 34. Nc2 Na4 35. Re6 Qf5 36. Ne3 Qb1+ 37. Kh2 Qxb2 38. Nxd5 Qxd4 39. Nf6
Qxf6 40. Rxf6 Kxf6 41. Ra8 c3 42. Rxa5 c2 43. Ra6+ Kg7 44. Rc6 Nb2 45. Rxc2 Nd3
46. Rc7 Ne5 47. Kg3 h5 48. f4 Nd3 49. Kf3 Ne1+ 50. Kg3 Nd3 51. Kf3 Ne1+ 52. Kf2
Nd3+ 53. Ke3 Nb4 54. Rd7 Nc6 55. g4 hxg4 56. hxg4 Kf6 57. g5+ Ke6 58. Rb7 Nd6
59. Rh7 Nf5+ 60. Kf3 Nfd4+ 61. Ke4 Nf5 62. Rc7 Nd6+ 63. Kf3 Nd4+ 64. Kg4 N4f5
65. Rc6 Kd5 66. Rc7 Ne4 67. Ra7 Nf2+ 68. Kf3 Ne4 69. Ra5+ Nc5 70. Kg4 Kd4 71.
Ra7 Ke3 72. Ra5 Nd3 73. Ra4 *
Position (FEN): 8/8/6p1/5nP1/R4PK1/3nk3/8/8 b - - 32 73
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1131
Best move: Nf2#