Chess puzzle (Crushing)
Moves: 1. e4 c6 2. Bc4 a6 3. d3 d5 4. exd5 cxd5 5. Bb3 h6 6. Bf4 Bf5 7. Nf3 e6 8. h3
g5 9. Bg3 Bg7 10. c3 Ne7 11. O-O Nbc6 12. d4 Bg6 13. a3 Na5 14. Ba2 b5 15. Nbd2
Nf5 16. Bh2 Nc4 17. Nxc4 dxc4 18. Ne5 Bxe5 19. Bxe5 O-O 20. Bb1 Qd5 21. g4 Nh4
22. f3 f5 23. Bg3 Bh7 24. Bxh4 gxh4 25. Qe1 Rf6 26. Qxh4 Raf8 27. Bc2 fxg4 28.
Qxg4+ Kh8 29. Bxh7 Kxh7 30. Qe4+ Rg6+ 31. Kh2 Qg5 32. Rg1 Qd2+ 33. Kh1 Rg8 34.
Rab1 Qg5 35. Rxg5 hxg5 36. Rg1 Kh6 37. Qc6 R8g7 38. Qxa6 g4 39. hxg4 Kh7 40.
Qxb5 Rh6+ 41. Kg2 Rhg6 42. Rh1+ Kg8 43. Qxc4 Kf7 44. Qc7+ Kf6 45. Qe5+ Ke7 46.
Qc7+ Kf6 47. Qe5+ Ke7 48. c4 Rg5 49. Qc7+ Kf6 50. c5 Rxc7 51. b4 Ke7 52. a4 Rb7
53. b5 Ra7 54. Ra1 Kd7 *
Position (FEN): 8/r2k4/4p3/1PP3r1/P2P2P1/5P2/6K1/R7 w - - 3 55
White to move.
Themes: Defensive Move Endgame, Rook Endgame  
Puzzle rating: 2068
Best move: a5