Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bg5 Be7 6. Bxe7 Nxe7 7. Nc3 Na6 8. Bd3
Bxd3 9. Qxd3 Nc7 10. O-O-O Nc8 11. Nd2 Nb6 12. a3 Qe7 13. Kb1 Qg5 14. g3 Nd7
15. f4 Qe7 16. Qe3 c5 17. Nb3 c4 18. Nc5 Nxc5 19. dxc5 Na6 20. Na4 Qd7 21. Rd4
Qxa4 22. Rhd1 Nxc5 23. R4d2 Qb5 24. b4 cxb3 25. cxb3 Nxb3 26. Rb2 Qc4 27. Rxb3
Rc8 28. Rc1 Qxc1+ 29. Qxc1 Rxc1+ 30. Kxc1 b6 31. Rc3 O-O 32. Rc7 Ra8 33. Kd2 a5
34. a4 Rb8 35. Kc3 b5 36. axb5 Rxb5 *
Position (FEN): 6k1/2R2ppp/4p3/pr1pP3/5P2/2K3P1/7P/8 w - - 0 37
White to move.
Themes:  Endgame, Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 591
Best move: Rc8#