Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nc6 5. Nf3 Nf6 6. Bg5 Be7 7. Nxf6+ Bxf6
8. Bxf6 Qxf6 9. Bd3 O-O 10. O-O g6 11. c3 Bd7 12. Re1 Rad8 13. Qd2 Rfe8 14. Qh6
Qg7 15. Qf4 Rc8 16. Re3 Ne7 17. Ne5 Nd5 18. Qf3 Nxe3 19. Nxd7 f5 20. Qxe3 Qxd7
21. Bc4 a6 22. Re1 Kf7 23. Qh6 Kg8 24. Re5 b5 25. Bb3 c5 26. dxc5 Qg7 27. Qe3
Rc6 28. Bxe6+ Kh8 29. f4 Qf6 30. Bd7 Rec8 31. Bxc6 Rxc6 32. Re8+ Kg7 33. Re7+
Kg8 34. Ra7 Qd8 35. Qf3 Rxc5 36. Ra8 Rc8 37. Rxa6 Rc5 38. Ra8 Rc8 39. Rxc8 Qxc8
40. Qd5+ Kg7 41. Qe5+ Kg8 42. Qxb5 Qd8 43. Qf1 Qd2 44. Qc4+ Kf8 45. Qc8+ Kf7
46. Qc7+ Kg8 47. Qc8+ Kg7 48. Qb7+ Kh6 49. Qb3 *
Position (FEN): 8/7p/6pk/5p2/5P2/1QP5/PP1q2PP/6K1 b - - 14 49
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1099
Best move: Qe1#