Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bg5 d6 3. Bxf6 exf6 4. e3 Be7 5. Bd3 O-O 6. Qh5 g6 7. Qh6 f5 8. h4
Bf6 9. h5 Bg7 10. Qf4 g5 11. Qg3 h6 12. Nd2 Nc6 13. c3 Be6 14. Ne2 Qf6 15. Qf3
Rae8 16. g3 Nd8 17. d5 Bd7 18. Nd4 f4 19. gxf4 gxf4 20. O-O-O fxe3 21. fxe3
Qxf3 22. N2xf3 Bg4 23. Rdg1 Bxf3 24. Nxf3 Rxe3 25. Nd4 Kh8 26. Kd2 Re5 27. Rh4
Rg5 28. Rf1 a6 29. Rhf4 Rxh5 30. Nf5 Rh2+ 31. Kc1 Be5 32. R4f3 Rg8 33. Ne3 Rg3
34. Rxg3 Bxg3 35. Ng4 Rh4 36. Bf5 h5 37. Ne3 Bf4 38. Kd2 Rh2+ 39. Kd3 Bxe3 40.
Kxe3 Rxb2 41. Rh1 Rxa2 42. Rxh5+ Kg7 43. Rh7+ Kf6 44. Bd3 b5 45. Rh8 Nb7 46.
Rc8 Nc5 47. Rxc7 Ra3 48. Kd4 Nb3+ 49. Ke3 Ke5 50. Rxf7 Nc1 *
Position (FEN): 8/5R2/p2p4/1p1Pk3/8/r1PBK3/8/2n5 w - - 1 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1202
Best move: Rf5#