Chess puzzle (Checkmate)
Moves: 1. Nc3 d5 2. e3 e5 3. Bb5+ Nc6 4. Nf3 Bd6 5. Nd4 exd4 6. exd4 Nf6 7. O-O O-O 8.
Bxc6 bxc6 9. Ne2 Bg4 10. f3 Bf5 11. d3 c5 12. dxc5 Bxc5+ 13. d4 Bb6 14. c3 Re8
15. Ng3 Bd7 16. b4 h6 17. a4 a5 18. b5 c6 19. bxc6 Bxc6 20. Re1 Qd7 21. Bd2 Re7
22. Rxe7 Qxe7 23. h3 Bc7 24. Nf1 Bb7 25. Qb3 Ba6 26. Re1 Qd6 27. c4 Rb8 28. Qc3
Bxc4 29. Re5 Rb1 30. Re1 Rxe1 31. Bxe1 Bxf1 32. Kxf1 Qh2 33. Qc6 Bg3 34. Qc8+
Kh7 35. Bxg3 Qxg3 36. Qf5+ g6 37. Qxf6 Qc7 38. Kg1 Kg8 39. Qa6 Qc3 40. Qa8+ Kg7
41. Qxd5 Qa1+ 42. Kh2 Qxa4 43. Qe5+ Kg8 44. d5 Qd7 45. d6 a4 46. Kg1 a3 47. Qd4
Kf8 *
Position (FEN): 5k2/3q1p2/3P2pp/8/3Q4/p4P1P/6P1/6K1 w - - 2 48
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 720
Best move: Qh8#