Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Ne2 Qa5 7. O-O O-O 8. a3
Bxc3 9. bxc3 Ne7 10. Ng3 Qc7 11. Nh5 Nxh5 12. Qxh5 Ng6 13. f4 b6 14. f5 exf5
15. Rxf5 Ba6 16. d5 Rfe8 17. e4 d6 18. Bf4 Nxf4 19. Rxf4 Re5 20. Qe2 Rc8 21.
Raf1 f6 22. h4 b5 23. g4 bxc4 24. Bxc4 Bxc4 25. Qxc4 Qe7 26. Qa6 Re8 27. g5
fxg5 28. Rf7 Qxf7 29. Rxf7 Kxf7 30. Qxd6 gxh4 31. Qxc5 Rxe4 32. Qxa7+ R8e7 33.
Qf2+ Ke8 34. Qb6 Re1+ 35. Kf2 R1e2+ 36. Kf1 Rd2 37. Qb8+ Kd7 38. Qb7+ Kd6 39.
Qb4+ Kd7 40. Qg4+ Kd8 41. Qxh4 Rxd5 42. a4 Rf5+ 43. Kg2 g5 44. Qd4+ Ke8 45.
Qh8+ Kd7 46. Qd4+ Ke8 47. Qc4 Rfe5 48. Qc6+ Kf7 49. Qf3+ Kg6 50. Qd3+ Kg7 51.
Qd4 Kh6 52. Kf3 Rf7+ 53. Kg3 Ref5 54. Qd6+ R7f6 55. Qd1 g4 56. Kxg4 Rg5+ 57.
Kh4 Rf4+ 58. Kh3 Rff5 59. Qd6+ Kg7 60. Qe7+ Kg6 61. Qe8+ Kh6 62. Qe6+ Kg7 63.
Qe7+ Kg6 64. Qe8+ Rf7 65. a5 Kg7 66. Qd8 Rf6 67. a6 *
Position (FEN): 3Q4/6kp/P4r2/6r1/8/2P4K/8/8 b - - 0 67
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 1478
Best move: Rh6#