Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 d6 5. Nf3 g6 6. Bb5 Bg7 7. O-O Bd7 8. c3
Nf6 9. Bxc6 bxc6 10. e5 dxe5 11. Nxe5 O-O 12. Qe2 Nd5 13. c4 Nf6 14. Rd1 Qc7
15. Bg5 Rad8 16. Nc3 Be6 17. Bf4 Nh5 18. Rxd8 Nxf4 19. Rxf8+ Kxf8 20. Nxg6+
hxg6 21. Qe3 Bxc4 22. Rd1 Bxc3 23. bxc3 Ne2+ 24. Kh1 Qf4 25. Qh3 Kg7 26. f3
Nxc3 27. Re1 Qd2 28. Qg3 Qd6 29. Qf2 Ne2 30. Rxe2 Bxe2 31. Qxe2 Qa3 32. h3 Qc1+
33. Kh2 Qf4+ 34. g3 Qd6 35. h4 a5 36. Kh3 e6 37. Qb2+ f6 38. Qb6 Qd5 39. a4
Qf5+ 40. Kg2 Qc2+ 41. Kh3 Qxa4 42. Qc7+ Kg8 43. Qd8+ Kg7 44. Qe7+ Kg8 45. Qxe6+
Kg7 46. Qe7+ Kh6 47. Qxf6 Qc4 *
Position (FEN): 8/8/2p2Qpk/p7/2q4P/5PPK/8/8 w - - 1 48
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1614
Best move: Qh8#