Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3 h6 7. Bf4 Nbd7 8. Bd3
c5 9. O-O b6 10. Rc1 Bb7 11. b3 Rc8 12. Ne2 cxd4 13. Nexd4 Nc5 14. Ra1 Bc3 15.
Rc1 Bb2 16. Rc2 Nxd3 17. Qxd3 Bxd4 18. exd4 dxc4 19. bxc4 Bxf3 20. gxf3 Nh5 21.
Be5 Qg5+ 22. Kh1 Nf4 23. Bxf4 Qxf4 24. Rg1 Rfd8 25. Rg4 Qf6 26. Rc1 h5 27. Rg3
Qxd4 28. Qa3 Qxf2 29. Rcg1 g6 30. Qe7 Qc2 31. Rxg6+ fxg6 32. Qxe6+ Kh7 33. Qe7+
Kh6 34. Qe3+ Kg7 35. Qe5+ Kf7 36. Re1 Re8 37. Qd5+ Kg7 38. Qd7+ Kf8 39. Qd6+
Kg8 40. Qd5+ Kh7 41. Qf7+ Kh6 42. Rxe8 Qd1+ 43. Kg2 Rxe8 44. Qxe8 Qd2+ 45. Kg3
Qd6+ 46. f4 Qd3+ 47. Kg2 Qxc4 *
Position (FEN): 4Q3/p7/1p4pk/7p/2q2P2/8/P5KP/8 w - - 0 48
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 707
Best move: Qh8#