Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 c5 3. e3 e6 4. c3 d5 5. Nf3 Bd6 6. Bg3 Qc7 7. Nbd2 Nbd7 8. Be2
e5 9. Nb3 b6 10. O-O O-O 11. dxe5 Nxe5 12. Qc2 Re8 13. Rad1 Nxf3+ 14. Bxf3 Bxg3
15. hxg3 Be6 16. Rd2 Rad8 17. Rfd1 g6 18. Nc1 a5 19. Ne2 Kg7 20. Nf4 h5 21. e4
dxe4 22. Bxe4 Rxd2 23. Rxd2 Nxe4 24. Qxe4 Bd7 25. Qd5 Bf5 26. Qd6 Re1+ 27. Kh2
Qxd6 28. Rxd6 Ra1 29. a3 Rb1 30. Rxb6 Rf1 31. f3 Rf2 32. Rb5 g5 33. Nh3 Bxh3
34. Kxh3 Kg6 35. b3 Rb2 36. b4 cxb4 37. axb4 axb4 38. Rxb4 Rc2 39. c4 Rc1 40.
Rb6+ f6 41. Rc6 *
Position (FEN): 8/8/2R2pk1/6pp/2P5/5PPK/6P1/2r5 b - - 1 41
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 845
Best move: Rh1#