Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Qd5 Bb4+ 6. Nc3 Qe7 7. Bg5 Bxc3+
8. bxc3 Qa3 9. Rc1 f6 10. exf6 Nxf6 11. Qd3 O-O 12. Qc2 d6 13. e4 Bg4 14. Be2
Rae8 15. Bxf6 Rxf6 16. O-O Bxf3 17. Bxf3 Rxf3 18. gxf3 Ne5 19. Qe2 Qc5 20. Kh1
Ng6 21. Rg1 Nf4 22. Qe3 Qe5 23. Rg4 Rf8 24. Rcg1 g6 25. Rg5 Qe6 26. Qxa7 Nh3
27. Qxb7 Rxf3 28. Qd5 Nxg5 29. Rxg5 Qxd5 30. cxd5 Rxf2 31. Rg2 Rf1+ 32. Rg1 Rf3
33. Ra1 Rf8 34. a4 Ra8 35. a5 Ra6 36. Kg2 Kg7 37. Kf3 Kf6 38. Kf4 h6 39. h4 g5+
40. hxg5+ hxg5+ 41. Ke3 Ke5 42. Kd3 g4 43. Rg1 Rxa5 44. Rxg4 Ra1 45. Rg5+ Kf6
46. Rf5+ Ke7 47. Rh5 Rd1+ 48. Kc4 Re1 49. Rh7+ Kd8 50. Kd3 Rd1+ 51. Ke2 Rc1 52.
Kd2 Rg1 53. Ke3 Rg3+ 54. Kd4 Rg4 55. c4 Rg1 56. Kc3 Re1 57. Rh4 Rg1 58. Kb4
Rb1+ 59. Ka4 Ra1+ 60. Kb5 Rb1+ 61. Kc6 *
Position (FEN): 3k4/2p5/2Kp4/3P4/2P1P2R/8/8/1r6 b - - 12 61
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 631
Best move: Rb6#