Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 c6 6. h3 e6 7. Nf3 Bb4 8. a3
Bxc3+ 9. bxc3 O-O 10. Be3 N8d7 11. Qc2 Qe7 12. e5 Nd5 13. Bd2 b5 14. Bd3 g6 15.
Bh6 Re8 16. O-O Ba6 17. a4 Nc7 18. Rfb1 Nb6 19. Bg5 Qf8 20. axb5 Bxb5 21. Bxb5
cxb5 22. Qc1 Nbd5 23. Bh6 Qe7 24. Bg5 Qd7 25. Nd2 Reb8 26. Ne4 a5 27. Nf6+ Nxf6
28. Bxf6 Ne8 29. Qh6 Qd5 30. Re1 b4 31. cxb4 axb4 32. Qh4 Nxf6 33. exf6 h5 34.
Rad1 b3 35. Re5 Ra1 36. Rxa1 b2 37. Rb1 Qa2 38. Ree1 Ra8 39. Qg5 Qxb1 40. Rxb1
Ra1 41. Qh6 Rxb1+ 42. Kh2 Rh1+ 43. Kxh1 b1=Q+ 44. Kh2 Qb8+ 45. g3 Qf8 46. Qf4
Kh7 47. h4 Qd8 48. Kg2 Qd5+ 49. Kh3 *
Position (FEN): 8/5p1k/4pPp1/3q3p/3P1Q1P/6PK/5P2/8 b - - 4 49
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1146
Best move: Qh1#