Chess puzzle (Checkmate)
Moves: 1. f4 d5 2. d4 e6 3. e3 Nf6 4. Nf3 Nc6 5. c4 Ne4 6. cxd5 exd5 7. Bb5 Bd7 8. O-O
Be7 9. Nc3 O-O 10. Nxd5 f5 11. Bc4 Kh8 12. Nxe7 Qxe7 13. Ne5 Na5 14. Bd5 c6 15.
Bxe4 fxe4 16. Qh5 Rf6 17. f5 b6 18. Ng6+ Rxg6 19. fxg6 h6 20. Bd2 Nc4 21. Bc1
Be6 22. b3 Nd6 23. Bd2 a5 24. Rac1 Bd5 25. Rf4 Qg5 26. Qxg5 hxg5 27. Rg4 Ne8
28. Rxg5 Nf6 29. Rf1 Kg8 30. Be1 b5 31. Bg3 a4 32. bxa4 Rxa4 33. Be5 Rxa2 34.
Bxf6 gxf6 35. Rxf6 Ra7 36. h4 b4 37. h5 b3 38. Rf2 Rb7 39. h6 b2 40. Rxb2 Rxb2
41. h7+ Kh8 42. Kh2 Rb3 43. Rg3 Kg7 44. Kh3 Rb1 45. Kg4 Rf1 46. Kh5 Rf5+ 47.
Rg5 Rf6 48. g3 Rf1 49. Kg4 Be6+ 50. Kh4 *
Position (FEN): 8/6kP/2p1b1P1/6R1/3Pp2K/4P1P1/8/5r2 b - - 4 50
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 723
Best move: Rh1#