Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bxd6 Qxd6 6. c3 O-O 7. b4 b6 8. a4
a5 9. b5 c6 10. Ngf3 cxb5 11. Bxb5 Ba6 12. Qb3 Rc8 13. Rc1 Rc7 14. Ne5 Bxb5 15.
Qxb5 Nbd7 16. f4 Rac8 17. Qb3 Ne4 18. Nxe4 dxe4 19. Kf2 h5 20. h4 Nb8 21. c4
Qb4 22. Qxb4 axb4 23. g4 f6 24. Ng6 hxg4 25. Kg3 Kf7 26. h5 f5 27. Ne5+ Kf6 28.
Rb1 Na6 29. Rb3 Rh8 30. Rbb1 g5 31. fxg5+ Kxg5 32. c5 bxc5 33. dxc5 Nxc5 34.
Rxb4 Nd3 35. Nxd3 exd3 36. Rd4 Rc3 37. a5 Ra8 38. Rd6 d2 39. Kf2 Rc2 40. Rd1
Kxh5 41. a6 Ra2 42. Rxe6 R8xa6 43. Re5 R2a5 44. Re8 Rd6 45. Rg8 Ra1 46. Rxa1
d1=Q 47. Rxd1 Rxd1 48. Kg3 Rd3 49. Kf4 Kh4 *
Position (FEN): 6R1/8/8/5p2/5Kpk/3rP3/8/8 w - - 4 50
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 815
Best move: Rh8#