Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Bc4 d6 3. c3 Nc6 4. Ne2 Nf6 5. d3 g6 6. Bb3 Bg7 7. Bc2 O-O 8. O-O
e5 9. f4 exf4 10. Bxf4 Ne5 11. d4 cxd4 12. cxd4 Nc4 13. b3 Nb6 14. Bg5 Bg4 15.
h3 Bxe2 16. Qxe2 h6 17. Bh4 g5 18. Bg3 Rc8 19. Bd3 Qe7 20. e5 Nfd5 21. Nd2 dxe5
22. Bxe5 Bxe5 23. dxe5 Nf4 24. Rxf4 gxf4 25. Nc4 Nxc4 26. Bxc4 a6 27. a4 Rfe8
28. e6 f5 29. Rf1 Rxc4 30. Qxc4 Qxe6 31. Qxf4 Qe3+ 32. Qxe3 Rxe3 33. Rf3 Re1+
34. Kf2 Rb1 35. Kg3 Kg7 36. Kf4 Kg6 37. Ke5 Re1+ 38. Kd6 Rg1 39. g3 Rc1 40. h4
h5 41. Rd3 Kf6 42. Kd7 Rc5 43. Rd6+ Kf7 44. Rb6 Rc3 45. Rxb7 Rxg3 46. Rb6 Rg4
47. Rxa6 f4 48. Rh6 *
Position (FEN): 8/3K1k2/7R/7p/P4prP/1P6/8/8 b - - 1 48
Black to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 1876
Best move: f3