Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Bg5 d6 4. Nc3 Be7 5. e4 Nc6 6. Nf3 Bd7 7. Qd2 a6 8. O-O-O
b5 9. cxb5 axb5 10. Bxf6 Bxf6 11. Nxb5 Qb8 12. Nc3 Nb4 13. a3 Nc6 14. h4 Qb3
15. Qc2 Qb6 16. Qd2 Rb8 17. Bb5 Na5 18. Bxd7+ Kxd7 19. Qe2 Nb3+ 20. Kb1 Nxd4
21. Nxd4 Bxd4 22. Rc1 Ra8 23. Ka2 Rhb8 24. Rhd1 Qb3+ 25. Ka1 e5 26. Qd2 Rb6 27.
Rc2 Rab8 28. Rdc1 c5 29. Rb1 Bxc3 30. Qxc3 Qxc3 31. Rxc3 Ke6 32. f3 f5 33. Ka2
f4 34. b3 Kf6 35. a4 Kg6 36. Rc4 Kh5 37. Rc3 Kxh4 38. Rh1+ Kg3 39. Rxh7 R8b7
40. Rc2 g5 *
Position (FEN): 8/1r5R/1r1p4/2p1p1p1/P3Pp2/1P3Pk1/K1R3P1/8 w - - 0 41
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 827
Best move: Rh3#