Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Nc3 Nb4 6. a3 Bxb5 7. Nxb5 Na6 8.
d4 c6 9. Nc3 Nf6 10. Bg5 Be7 11. dxe5 dxe5 12. Nxe5 h6 13. Bh4 g5 14. Bg3 Nc5
15. Re1 Qxd1 16. Raxd1 O-O 17. b4 Ne6 18. Nd7 Rfd8 19. Nxf6+ Bxf6 20. e5 Bg7
21. Ne4 Rxd1 22. Rxd1 Nf4 23. Nf6+ Kf8 24. Bxf4 gxf4 25. Rd4 Ke7 26. Rxf4 Rd8
27. h3 Ke6 28. Rg4 Bxf6 29. exf6 Kxf6 30. Rf4+ Kg7 31. Re4 Kf6 32. Kh2 Rd2 33.
Rf4+ Ke6 34. c4 f5 35. Kg3 Ke5 36. Rh4 Rd3+ 37. Kh2 Rxa3 38. Rxh6 Ra4 39. b5 c5
40. Rh4 a5 41. bxa6 bxa6 42. g4 Rxc4 43. Kg3 Rc3+ 44. f3 f4+ 45. Kf2 Rc2+ 46.
Ke1 a5 47. Kd1 Rf2 48. Rh5+ Kd4 49. h4 Rxf3 50. Rf5 Rd3+ 51. Kc2 f3 52. g5 a4
53. g6 a3 54. g7 Rc3+ 55. Kb1 Rb3+ *
Position (FEN): 8/6P1/8/2p2R2/3k3P/pr3p2/8/1K6 w - - 3 56
White to move.
Themes: Defensive Move Endgame, Rook Endgame  
Puzzle rating: 2598
Best move: Ka1