Chess puzzle (Crushing)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 d5 4. g3 Bg7 5. Bg2 O-O 6. O-O c5 7. dxc5 Nc6 8. Nbd2
Qa5 9. Nb3 Qd8 10. cxd5 Nxd5 11. e4 Nc7 12. Qxd8 Rxd8 13. Rb1 Bg4 14. Be3 Bxf3
15. Bxf3 Ne5 16. Be2 e6 17. f4 Nc6 18. f5 Nd4 19. Nxd4 Bxd4 20. Kf2 exf5 21.
Bxd4 Rxd4 22. exf5 Rd2 23. fxg6 hxg6 24. Rfd1 Rad8 25. Ke3 Rxd1 26. Rxd1 Re8+
27. Kf2 Ne6 28. Rd5 a5 29. a3 a4 30. Bb5 Rc8 31. Bd7 Rxc5 32. Bxe6 Rc2+ 33. Kf3
fxe6 34. Rb5 Rxh2 35. Rxb7 Rc2 36. Kg4 Rc5 37. Kf4 Kf8 38. Rb4 Ra5 39. g4 Kf7
40. g5 e5+ 41. Ke4 Ke6 42. Rb6+ Kf7 43. Rf6+ Kg7 44. Re6 Rb5 45. Rxe5 Rxb2 46.
Ra5 Rh2 47. Ke5 Rh4 *
Position (FEN): 8/6k1/6p1/R3K1P1/p6r/P7/8/8 w - - 4 48
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 823
Best move: Ra7+