Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. g3 O-O 6. Bg2 c6 7. O-O Ne4 8. Qc2
f5 9. Nd2 Nd7 10. f3 Nd6 11. b3 b6 12. Bb2 Bb7 13. Rae1 Rc8 14. Qd3 Qc7 15. e4
fxe4 16. fxe4 Rxf1+ 17. Bxf1 Bg5 18. Nf3 Bh6 19. exd5 exd5 20. Re7 Qd8 21. Re1
Ba6 22. Bh3 dxc4 23. bxc4 Bxc4 24. Be6+ Bxe6 25. Rxe6 Nf8 26. Re2 Ng6 27. d5 c5
28. Ne4 Qd7 29. Neg5 Qf5 30. Qxf5 Nxf5 31. Re6 Nf8 32. Rc6 Rd8 33. Ne6 Rxd5 34.
Rc8 g6 35. Nxf8 Bxf8 36. Kg2 Nd4 37. Bc1 Nxf3 38. Kxf3 Rf5+ 39. Ke4 h5 40. Bh6
Rf7 41. h3 c4 42. Bxf8 Rxf8 43. Rxc4 Rf7 44. Rc6 Kg7 45. g4 hxg4 46. hxg4 Re7+
47. Kf4 Rd7 48. g5 Rd4+ 49. Ke5 Ra4 50. Rc7+ Kf8 51. Kf6 b5 *
Position (FEN): 5k2/p1R5/5Kp1/1p4P1/r7/8/P7/8 w - - 0 52
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 819
Best move: Rc8#