Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. Bf4 d6 3. Nf3 h6 4. e3 g5 5. Bg3 Bg7 6. Bd3 Nd7 7. Nbd2 Ndf6 8. h4
g4 9. Nh2 Qa5 10. c3 h5 11. Ne4 Nxe4 12. Bxe4 Nf6 13. Bd3 Nd5 14. Qc2 Nf6 15.
Qe2 b5 16. f3 b4 17. O-O bxc3 18. bxc3 Nd5 19. fxg4 hxg4 20. Qf2 O-O 21. c4 Nb4
22. Bf5 Bxf5 23. Qxf5 Qxf5 24. Rxf5 e6 25. Rg5 Rad8 26. Nxg4 f6 27. Ra5 c5 28.
dxc5 dxc5 29. Rxa7 f5 30. Be5 Bxe5 31. Nxe5 Rd2 32. Nf3 Rd3 33. Re1 Re8 34. h5
e5 35. h6 e4 36. Ng5 Rf8 37. h7+ Kh8 38. Nf7+ Kxh7 39. Ne5+ Kh6 40. Nxd3 Nxd3
41. Rb1 f4 42. Rb6+ Kg5 43. Rg7+ Kf5 44. exf4 Kxf4 45. Rh7 Ke3 46. Rh3+ Kd2 47.
Re6 Nf2 48. Rh5 Kd3 49. Rxc5 e3 50. Rce5 Ng4 51. Rd6+ Ke2 52. Rg5 *
Position (FEN): 5r2/8/3R4/6R1/2P3n1/4p3/P3k1P1/6K1 b - - 5 52
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 716
Best move: Rf1#