Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nf3 cxd4 5. exd4 d5 6. Nc3 Bb4 7. Bd3 O-O 8. O-O
dxc4 9. Bxc4 Nc6 10. Be3 Ne7 11. a3 Ba5 12. Bg5 Nf5 13. Qd3 h6 14. Bf4 a6 15.
Rad1 b5 16. Ba2 Bb7 17. d5 Bxc3 18. bxc3 Bxd5 19. Bxd5 Nxd5 20. Be5 Qa5 21. c4
bxc4 22. Qxc4 Qxa3 23. Rd3 Qb4 24. Qa2 Rfc8 25. g4 Nfe7 26. Rd4 Qb5 27. Qd2 Rc4
28. g5 Rxd4 29. Qxd4 Nf5 30. Qg4 hxg5 31. Qxg5 f6 32. Qg6 Nde7 33. Qg4 fxe5 34.
Re1 Qe8 35. Rxe5 Qg6 36. Ng5 Nh6 37. Qc4 Qb1+ 38. Kg2 Qb7+ 39. Kh3 Nd5 40. Nxe6
Nf7 41. Rxd5 Rc8 42. Qg4 Nh6 43. Qd4 Kh8 44. Rh5 Qf3+ 45. Kh4 Qf6+ 46. Qxf6
gxf6 47. Rxh6+ Kg8 48. Rxf6 a5 49. Rf5 Ra8 50. Rf3 Re8 51. Ng5 a4 52. Ra3 Ra8
53. Ne4 Kg7 54. Nc3 Rc8 55. Nxa4 Kf6 56. Rg3 Kf5 57. Nc3 *
Position (FEN): 2r5/8/8/5k2/7K/2N3R1/5P1P/8 b - - 4 57
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1171
Best move: Rh8#