Chess puzzle (Checkmate)
Moves: 1. Nf3 g6 2. g3 Bg7 3. d4 Nf6 4. Bg2 d6 5. O-O O-O 6. c4 Nc6 7. Nc3 a6 8. e4 h6
9. Qc2 Ng4 10. d5 Nce5 11. Nxe5 Nxe5 12. f4 Nxc4 13. f5 Ne5 14. h3 c5 15. g4 b5
16. Ne2 g5 17. Ng3 f6 18. Nh5 Bd7 19. Be3 Be8 20. Nxg7 Kxg7 21. Qf2 Rh8 22.
Rad1 Qc8 23. h4 Nxg4 24. Qg3 Ne5 25. hxg5 hxg5 26. Bxg5 fxg5 27. Qxg5+ Kf8 28.
f6 exf6 29. Rxf6+ Ke7 30. Qg7+ Nf7 31. Re6+ Qxe6 32. dxe6 Kxe6 33. Rf1 Kd7 34.
Rxf7+ Bxf7 35. Qxf7+ Kd8 36. Qf6+ Kd7 37. Qf7+ Kd8 38. Qb7 Rc8 39. Qxa6 Ke7 40.
Qxb5 Rcg8 41. Qe2 Rh7 42. a4 Rhg7 43. a5 Kd7 44. a6 Kc7 45. Qb5 Rxg2+ 46. Kf1
Rg1+ 47. Ke2 R8g2+ 48. Ke3 Rg3+ 49. Kd2 R1g2+ 50. Kc1 Rh3 51. Qb7+ Kd8 52. a7 *
Position (FEN): 3k4/PQ6/3p4/2p5/4P3/7r/1P4r1/2K5 b - - 0 52
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 876
Best move: Rh1#