Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qf6 5. O-O Nge7 6. d3 O-O 7. Bg5 Qg6 8.
Qd2 h6 9. Nh4 Qh7 10. Bxe7 Bxe7 11. Nf5 d6 12. Nxe7+ Nxe7 13. f4 Ng6 14. f5 Ne7
15. Na3 c6 16. Nc2 b5 17. Bb3 a5 18. a3 a4 19. Ba2 d5 20. Nb4 dxe4 21. dxe4 Bb7
22. Qd7 c5 23. Qxb7 cxb4 24. Qxe7 b3 25. Bb1 Rfe8 26. Qb4 Rab8 27. Bd3 g6 28.
Bxb5 Red8 29. Qxa4 gxf5 30. exf5 Rd2 31. Qxb3 Qg7 32. g3 h5 33. Rf2 Rbd8 34.
Rxd2 Rxd2 35. Rd1 Rxd1+ 36. Qxd1 h4 37. Qd8+ Kh7 38. Qxh4+ Kg8 39. Bc4 Qf8 40.
Qg5+ Kh7 41. Qe3 Qd6 42. Kg2 Qc6+ 43. Kh3 Qxc4 44. Qxe5 Qf1+ 45. Kg4 Qd1+ 46.
Kf4 Qd2+ 47. Qe3 Qxb2 48. h4 Qxa3 49. g4 Qd6+ 50. Kg5 *
Position (FEN): 8/5p1k/3q4/5PK1/6PP/2P1Q3/8/8 b - - 2 50
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1202
Best move: Qh6#