Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Nf6 6. Bb5 cxd4 7. Nxd4 Bd7 8.
Bxc6 Bxc6 9. O-O Be7 10. Qb3 O-O 11. Nd2 Qb6 12. Qxb6 axb6 13. N2f3 Nd7 14.
Nxc6 bxc6 15. Bg3 Nc5 16. Nd4 Rfc8 17. f3 Nd3 18. b4 c5 19. bxc5 bxc5 20. Nb5
c4 21. Bd6 Bf6 22. Bg3 Rc5 23. Nc7 Ra7 24. Rab1 h6 25. Rb8+ Kh7 26. Ne8 Bxc3
27. Nd6 Be5 28. Bxe5 Nxe5 29. f4 Ng4 30. e4 dxe4 31. Nxe4 Rcc7 32. h3 Nf6 33.
Nxf6+ gxf6 34. Rf3 Rxa2 35. Rg3 Ra1+ 36. Kh2 h5 37. Rbg8 Rd7 38. R3g7+ Kh6 39.
Rg3 Rdd1 *
Position (FEN): 6R1/5p2/4pp1k/7p/2p2P2/6RP/6PK/r2r4 w - - 6 40
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1117
Best move: Rh8#