Chess puzzle (Crushing)
Moves: 1. d4 e6 2. c4 b6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Bb7 6. Nf3 h6 7. Bf4 Bxf3 8.
gxf3 Nc6 9. Rg1 g5 10. Bd2 f5 11. e4 Nge7 12. a4 Qc8 13. d5 exd5 14. cxd5 Ne5
15. a5 d6 16. axb6 cxb6 17. Bb5+ Nd7 18. Qa4 Rf8 19. Bxd7+ Qxd7 20. Qxd7+ Kxd7
21. Ke2 f4 22. Ra6 Rfc8 23. Rga1 Rc7 24. h3 Nc8 25. Kd3 Ne7 26. Kd4 Ng6 27. Kd3
Nh4 28. Ke2 Kc8 29. R1a4 Kb7 30. c4 Ng6 31. Kd3 Ne5+ 32. Ke2 Nxc4 33. Ra1 Rc5
34. Bb4 Rb5 35. Bc3 Rb3 36. Kd3 Ne5+ 37. Kd4 Nxf3+ 38. Kc4 Rxc3+ 39. Kxc3 Ne5
40. R6a2 Rc8+ 41. Kd2 Nf3+ 42. Ke2 Nd4+ 43. Kf1 Re8 44. Rxa7+ Kc8 45. Ra8+ Kd7
46. Rxe8 Kxe8 47. Ra6 Ke7 48. Rxb6 h5 49. Rb7+ Kf6 50. Kg2 h4 51. f3 Nc2 52.
Rd7 Ke5 53. Rg7 Ne3+ 54. Kg1 Kf6 55. Ra7 Nc2 56. Ra6 Ke7 57. Kf2 Nd4 58. Ra7+
Kf6 59. Ra8 Nb3 60. Rd8 Ke7 61. Rb8 Nc1 62. Ke1 Nd3+ 63. Kd2 Nf2 64. Rg8 Kf6
65. Kc3 Nxh3 66. Kb4 Ng1 67. Kb5 *
Position (FEN): 6R1/8/3p1k2/1K1P2p1/4Pp1p/5P2/8/6n1 b - - 3 67
Black to move.
Themes:  Endgame  
Puzzle rating: 1151
Best move: Nxf3