Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. Nc3 d6 6. h3 Na5 7. Be2 a6 8. a3
Ba7 9. d4 exd4 10. Nxd4 O-O 11. Be3 c5 12. Nf5 Bxf5 13. exf5 d5 14. Bg5 h6 15.
Bh4 Qd6 16. Bf3 Nc6 17. Nxd5 Nxd5 18. Qxd5 Qf4 19. Bg3 Qd4 20. c3 Qf6 21. Rad1
Rad8 22. Qe4 Rfe8 23. Qg4 Ne5 24. Bxe5 Qxe5 25. Bxb7 Bb8 26. g3 a5 27. Bc6 Rxd1
28. Rxd1 Rf8 29. Rd5 Qe1+ 30. Kg2 Be5 31. Rxc5 Rd8 32. Qe4 Qxe4+ 33. Bxe4 f6
34. Rxa5 Rd2 35. Rb5 Kf8 36. a4 Rd1 37. a5 Ra1 38. Bb7 Bb8 39. a6 Ba7 40. Rd5
Re1 41. Rd2 h5 42. b4 Rc1 43. Rd3 Rc2 44. Rf3 Ke7 45. Kf1 Kd6 46. b5 Kc5 47.
Bc6 Bb6 48. Rd3 Kc4 49. Rf3 Ba7 50. g4 hxg4 51. hxg4 Bb6 52. Ke1 Ba7 53. Kd1
Rb2 54. Rh3 Rxf2 55. Rh7 Be3 56. Rxg7 Kxc3 57. Ke1 Ra2 58. Kf1 Bd4 59. Re7 Kd3
60. a7 Bxa7 61. Rd7+ Kc4 62. Rf7 Bd4 63. Rd7 Kd3 64. b6 Rf2+ 65. Ke1 Re2+ 66.
Kd1 Rd2+ 67. Kc1 Rc2+ 68. Kb1 Rb2+ 69. Kc1 Rxb6 70. Rc7 Be3+ 71. Kd1 *
Position (FEN): 8/2R5/1rB2p2/5P2/6P1/3kb3/8/3K4 b - - 3 71
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 639
Best move: Rb1#