Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Bc4 d5 3. exd5 cxd5 4. Bb3 e5 5. h3 Nf6 6. Nf3 Bd6 7. O-O O-O 8. d3
Nc6 9. Bg5 Be6 10. Nc3 Na5 11. Bxf6 Qxf6 12. Bxd5 Bxd5 13. Nxd5 Qd8 14. c4 Nc6
15. a3 Rc8 16. Rc1 Bb8 17. b4 a6 18. Ne3 Nd4 19. Nxd4 Qxd4 20. Nf5 Qd8 21. g4
g6 22. Nh6+ Kg7 23. Qd2 Qh4 24. g5 e4 25. dxe4 Rcd8 26. Qc3+ f6 27. f4 Bxf4 28.
Rxf4 Qxf4 29. Ng4 Rd3 30. gxf6+ Rxf6 31. Qxd3 Qxc1+ 32. Kg2 Qb2+ 33. Kg3 Rf7
34. Qe3 Qa1 35. e5 Rf1 36. Qh6+ Kg8 37. Nf6+ Rxf6 38. exf6 Qxf6 39. Qf4 Qc3+
40. Kg4 h5+ 41. Kg5 Qg7 42. Qf6 Kh7 43. h4 *
Position (FEN): 8/1p4qk/p4Qp1/6Kp/1PP4P/P7/8/8 b - - 0 43
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 987
Best move: Qh6#