Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d6 6. Bd3 Nd7 7. Ne2 Qe7 8. O-O
g6 9. Nd2 Bg7 10. a4 O-O 11. a5 a6 12. g3 e5 13. d5 f5 14. b4 f4 15. f3 Nf6 16.
g4 h5 17. g5 Nh7 18. h4 Nxg5 19. hxg5 Qxg5+ 20. Kf2 Qh4+ 21. Kg1 g5 22. Qe1
Qxe1 23. Raxe1 g4 24. Kg2 Kh7 25. Rh1 Kg6 26. Reg1 Bf6 27. Kf2 Bg5 28. Ke1 Bd7
29. Kd1 Rh8 30. Kc2 Rag8 31. Rg2 Kf6 32. Ng1 Kf7 33. Be2 Bf6 34. Rgh2 gxf3 35.
Bxf3 h4 36. Nf1 Rg7 37. Kd2 Rhg8 38. Nh3 Ke7 39. Ke2 c6 40. Nd2 Rg3 41. Nf2 Rc8
42. c4 c5 43. bxc5 Rxc5 44. Rxh4 Bxh4 45. Rxh4 Rxa5 46. Rh7+ Kd8 47. Nd3 Ra2
48. Ne1 b5 49. Kd3 bxc4+ 50. Nxc4 Bb5 51. Kc3 Ra1 52. Nxd6 Rxe1 53. Kb4 Rxf3
54. Nf7+ Ke8 55. Nxe5 Rc1 56. d6 Rd1 *
Position (FEN): 4k3/7R/p2P4/1b2N3/1K2Pp2/5r2/8/3r4 w - - 1 57
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1678
Best move: Rh8#