Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Na6 7. Bxa6 Qa5+
8. c3 Qxa6 9. Qe2 Qxe2+ 10. Nxe2 Bf5 11. O-O-O Be7 12. Nf4 g5 13. Nd3 O-O-O 14.
b4 b6 15. Rhe1 Bd6 16. h3 h5 17. Nb2 Be6 18. a3 Kb7 19. c4 Rhe8 20. Kc2 b5 21.
Kc3 bxc4 22. Nxc4 Bc7 23. Na5+ Bxa5 24. bxa5 Rd5 25. Rb1+ Ka6 26. Rb4 Rxa5 27.
a4 Re7 28. Bd2 Rb7 29. Rxb7 Kxb7 30. Rb1+ Ka6 31. Rb4 Rf5 32. f3 g4 33. hxg4
hxg4 34. f4 g3 35. Kd3 Bd5 36. Ke3 Bxg2 37. Be1 Bd5 38. Bxg3 Rh5 39. Rb8 Rh3
40. Kf2 Rh1 41. Rb4 f5 42. Ke3 Rf1 43. Bf2 Ka5 44. Rb7 a6 45. Ke2 Bc4+ 46. Ke3
Kxa4 47. Rc7 Bd5 48. Ke2 Rb1 49. Ra7 a5 50. Be1 Rb2+ 51. Ke3 Rb3+ 52. Ke2 Rb5
53. Bc3 Be4 54. Ke3 Rb3 *
Position (FEN): 8/R4p2/2p5/p4p2/k2PbP2/1rB1K3/8/8 w - - 10 55
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 978
Best move: Rxa5#