Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O Be7 6. c3 b5 7. Bb3 Ngf6 8. Bc2
O-O 9. Re1 h6 10. Nbd2 Qc7 11. Nf1 Rd8 12. Ng3 Nf8 13. Nf5 Ng6 14. Nxe7+ Qxe7
15. b3 Bg4 16. h3 Bxf3 17. Qxf3 d5 18. exd5 e4 19. Qg3 cxd5 20. Bd1 Qd6 21. Qe3
Re8 22. Rb1 a5 23. Rb2 Nh4 24. Rc2 Nf5 25. Qe2 Rab8 26. Qd2 Rb7 27. Bg4 Nh4 28.
c4 bxc4 29. bxc4 Rbe7 30. c5 Qc7 31. Qf4 Qxf4 32. Bxf4 g5 33. Bd6 Rb7 34. c6
Ra7 35. c7 Nxg4 36. c8=Q Rxc8 37. Rxc8+ Kh7 38. hxg4 Rb7 39. Kh2 Rb2 40. a3
Rxf2 41. Bg3 Rxg2+ 42. Kh3 Rd2 43. Bxh4 gxh4 44. Rc7 Kg6 45. Rd7 Rxd4 46. Kxh4
Rd3 47. Rf1 e3 48. Rfxf7 e2 49. Rg7+ Kf6 50. Rdf7+ Ke5 51. Re7+ Kd4 52. Rxe2
Rxa3 53. Ra2 *
Position (FEN): 8/6R1/7p/p2p4/3k2PK/r7/R7/8 b - - 1 53
Black to move.
Themes: Hanging Piece Endgame, Rook Endgame  
Puzzle rating: 672
Best move: Rxa2