Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. e3 Nbd7 7. Be2 c5 8. d5
Qa5 9. Nd2 a6 10. e4 Rb8 11. a4 Re8 12. O-O Qc7 13. h3 h6 14. Bh4 e5 15. Qc2
Nf8 16. Bg3 g5 17. Bh2 Ng6 18. Nd1 Nf4 19. Bf3 Bd7 20. a5 Qc8 21. Re1 Kh7 22.
Ne3 Rg8 23. Ndf1 h5 24. Ng3 g4 25. hxg4 hxg4 26. Be2 Bh6 27. Nef5 Bxf5 28. Nxf5
Qd8 29. Bxf4 Bxf4 30. g3 Bg5 31. Kg2 Kg6 32. Ne3 Bxe3 33. fxe3 Rh8 34. Rf1 Qg8
35. Rh1 Rxh1 36. Rxh1 Qg7 37. Qd1 Nxe4 38. Bxg4 f5 39. Bxf5+ Kxf5 40. Qf3+ Kg5
41. Qxe4 Rh8 42. Rh4 Kf6 43. Rxh8 Qxh8 44. Qg4 Qh7 45. Qe6+ Kg5 46. Qxd6 Qc2+
47. Kh3 Qf5+ 48. Kg2 Qe4+ 49. Kh3 *
Position (FEN): 8/1p6/p2Q4/P1pPp1k1/2P1q3/4P1PK/1P6/8 b - - 6 49
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1424
Best move: Qh1#