Chess puzzle (Crushing)
Moves: 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c6 5. b3 Be7 6. Bb2 Nbd7 7. O-O O-O 8. d3
Qc7 9. cxd5 exd5 10. Nbd2 a5 11. a3 Re8 12. Rc1 Qb6 13. Rc2 Nc5 14. Bd4 Qb5 15.
Rb2 Ne6 16. Ra2 c5 17. Ba1 a4 18. Ne5 axb3 19. Qxb3 Qxb3 20. Nxb3 b5 21. Nc6
Bb7 22. Nba5 Bc8 23. Nxe7+ Rxe7 24. Bxf6 gxf6 25. Nc6 Rd7 26. Bxd5 Bb7 27. Bg2
Rc7 28. d4 Bxc6 29. Bxc6 Rxc6 30. d5 Rca6 31. dxe6 fxe6 32. Rb2 Rb8 33. Rfb1
Ra5 34. Kg2 Kf7 35. Kf3 Ke7 36. Rb3 Kd6 37. Rd1+ Kc6 38. Kg4 b4 39. axb4 Rxb4+
40. Rxb4 cxb4 41. Rb1 Rb5 42. Kf4 Kd5 43. Ke3 b3 44. Kd3 Ke5 45. Kc3 Kf5 46. f3
e5 47. Rxb3 Rxb3+ *
Position (FEN): 8/7p/5p2/4pk2/8/1rK2PP1/4P2P/8 w - - 0 48
White to move.
Themes:  Endgame  
Puzzle rating: 572
Best move: Kxb3