Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2
O-O 9. O-O Re8 10. Bf4 a6 11. a4 Bf5 12. Nd2 h6 13. e4 Bg4 14. f3 Bc8 15. Nc4
Bf8 16. a5 g5 17. Be3 Nbd7 18. Qc2 Rb8 19. Na4 Ne5 20. Nab6 Nxc4 21. Nxc4 Bd7
22. Rfe1 Bb5 23. Nb6 Bg7 24. Rad1 Nd7 25. Nxd7 Qxd7 26. Bd2 Bd4+ 27. Kh1 Qe7
28. Bc3 Bxc3 29. Qxc3 Qe5 30. Qd2 Ba4 31. f4 Qg7 32. Ra1 Bd7 33. Rac1 b5 34.
Rg1 f5 35. e5 dxe5 36. fxg5 hxg5 37. Rxc5 Rbc8 38. Rgc1 e4 39. d6 Rxc5 40. Rxc5
Rc8 41. Rxc8+ Bxc8 42. g4 Bd7 43. gxf5 Bxf5 44. Qd5+ Qf7 45. Bxe4 Bxe4+ 46.
Qxe4 *
Position (FEN): 6k1/5q2/p2P4/Pp4p1/4Q3/8/1P5P/7K b - - 0 46
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 605
Best move: Qf1#