Chess puzzle (Crushing)
Moves: 1. d4 e6 2. c4 d5 3. Nc3 c5 4. Nf3 Nc6 5. dxc5 Bxc5 6. cxd5 exd5 7. Qxd5 Qxd5
8. Nxd5 Bb6 9. b3 Nge7 10. Nf4 O-O 11. Bb2 Re8 12. e3 Nb4 13. Bd3 Bf5 14. Bxf5
Nxf5 15. O-O Rad8 16. Rfd1 h5 17. a3 Nc6 18. Nxh5 g6 19. Nf6+ Kf8 20. Nxe8 Rxe8
21. Rd7 Na5 22. Nd2 Rc8 23. Rc1 Rb8 24. g4 Nh4 25. h3 g5 26. Rd5 Nc6 27. Rxg5
Ba5 28. b4 Bb6 29. Kh2 Rd8 30. Rc2 Rxd2 31. Bg7+ Ke8 32. Rxd2 Nf3+ 33. Kg3 Nxg5
34. Rd5 Ne4+ 35. Kf4 Nxf2 36. h4 Nh3+ 37. Kg3 Ng1 38. Kf2 Nh3+ 39. Ke2 Ng1+ 40.
Kd3 a5 41. b5 Ne7 42. Re5 Nf3 43. Rh5 Ng6 44. Ke4 Nd2+ 45. Kd3 Nf3 46. Bf6 Bc7
47. Rh7 Nge5+ 48. Bxe5 Nxe5+ 49. Ke4 Nxg4 50. h5 *
Position (FEN): 4k3/1pb2p1R/8/pP5P/4K1n1/P3P3/8/8 b - - 0 50
Black to move.
Themes:  Endgame  
Puzzle rating: 834
Best move: Nf6+