Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Bf4 d5 3. Nf3 Bd7 4. e3 h6 5. c4 dxc4 6. Bxc4 Nf6 7. a3 Be7 8. h3
c6 9. O-O b5 10. Ba2 O-O 11. Nbd2 Bc8 12. Rc1 Ba6 13. Re1 Bb7 14. Ne5 Nd5 15.
Bg3 Nd7 16. Nxc6 Bxc6 17. Rxc6 N7b6 18. Qe2 a6 19. Rec1 Na4 20. Ne4 b4 21. Rxa6
bxa3 22. bxa3 Bxa3 23. Rxa8 Qxa8 24. Bxd5 Qxd5 25. Ra1 Be7 26. Rxa4 Qxe4 27.
Qb5 Rd8 28. Ra7 Bf6 29. Qb6 Rc8 30. Rc7 Rxc7 31. Qxc7 Qb1+ 32. Kh2 Qf5 33. Be5
Bxe5+ 34. Qxe5 Qxf2 35. d5 exd5 36. Qxd5 Qxe3 37. Qd8+ Kh7 38. Qf8 f6 39. Qc8
Qf4+ 40. Kh1 h5 41. Qc2+ f5 42. Qd3 g6 43. Qd7+ Kh6 44. Qd8 h4 45. Qf8+ Kh5 46.
Qh8+ Qh6 47. Qe5 Qg5 48. Qe2+ Kh6 49. Qe5 f4 *
Position (FEN): 8/8/6pk/4Q1q1/5p1p/7P/6P1/7K w - - 0 50
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1203
Best move: Qh8#