Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Be3 Nf6 5. Bd3 Bg4 6. Nf3 Nc6 7. h3 Bh5 8. c3
Qb6 9. Qc2 Bxf3 10. gxf3 e6 11. Nd2 Rc8 12. Qa4 Bd6 13. f4 g6 14. h4 Nh5 15. b4
Bxf4 16. Bxf4 Nxf4 17. Be2 Nxe2 18. Kxe2 h5 19. Rac1 O-O 20. Rhg1 Ne7 21. Ke1
Nf5 22. Qd1 Kh7 23. Nf3 Qc7 24. Ng5+ Kh8 25. Qe2 Qf4 26. Rc2 Nxh4 27. Kf1 Nf5
28. Nh3 Qe4 29. Qd2 Rg8 30. Ng5 Rg7 31. Nxe4 dxe4 32. Qf4 Nxd4 33. cxd4 Rxc2
34. Qxe4 Rxa2 35. Qxb7 h4 36. Qe7 h3 37. Qh4+ Rh7 38. Qf6+ Kg8 39. Rxg6+ fxg6
40. Qxg6+ Kh8 41. Qf6+ Rg7 42. Qh6+ Rh7 *
Position (FEN): 7k/p6r/4p2Q/8/1P1P4/7p/r4P2/5K2 w - - 5 43
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 887
Best move: Qf8#