Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qe3 e6 5. a3 Nf6 6. h3 b6 7. Nc3 Bb7 8. Bd2
a6 9. O-O-O Qc7 10. f4 Na5 11. e5 Nd5 12. Nxd5 Bxd5 13. Bxa5 bxa5 14. Nf3 Rc8
15. c3 Bb3 16. Re1 a4 17. Bxa6 Ra8 18. Bd3 Bxa3 19. Bc2 Bc5 20. Qd3 Bxc2 21.
Kxc2 a3 22. bxa3 Rxa3 23. Ra1 Rxa1 24. Rxa1 O-O 25. Kd2 Rc8 26. Rc1 Bb4 27.
cxb4 Qxc1+ 28. Ke2 Qb2+ 29. Kf1 Rc1+ 30. Ne1 Qxb4 31. Qe3 Rxe1+ 32. Qxe1 Qxf4+
33. Kg1 g6 34. g3 Qd4+ 35. Kh2 Kg7 36. h4 d6 37. exd6 Qxd6 38. Qa1+ Kf8 39.
Qa8+ Ke7 40. Qa7+ Kf6 41. Qf2+ Kg7 42. Qb2+ Kf8 43. Qh8+ Ke7 44. Qxh7 e5 45.
Qh6 Qf6 46. Qe3 Qf5 47. Qc5+ Kf6 48. Qd6+ Kg7 49. Kg2 e4 50. Qd4+ Kh6 *
Position (FEN): 8/5p2/6pk/5q2/3Qp2P/6P1/6K1/8 w - - 2 51
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1280
Best move: Qh8#