Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bg5 e6 3. e4 c5 4. d5 h6 5. Bxf6 Qxf6 6. Nc3 d6 7. Bb5+ Nd7 8. a4
a6 9. Be2 e5 10. Nf3 g5 11. Nd2 b6 12. Bg4 Rb8 13. Qe2 Qg6 14. Bf5 Qg7 15. Nc4
Be7 16. Ne3 Bd8 17. g4 Qf6 18. f3 Ra8 19. h3 Bc7 20. Kf2 Ke7 21. Bxd7 Bxd7 22.
Nf5+ Kd8 23. Kg2 Kc8 24. h4 Kb7 25. Rh2 Rag8 26. Rah1 gxh4 27. Rxh4 Bxf5 28.
exf5 Qxf5 29. Rxh6 Rxh6 30. Rxh6 Qf4 31. Rh7 f5 32. Rh4 e4 33. fxe4 fxg4 34.
Qf2 Qe5 35. Qf7 Rg7 36. Qf5 Qd4 37. Rxg4 Qd2+ 38. Kg3 Qe1+ 39. Kg2 Qd2+ 40. Kg3
Rxg4+ 41. Qxg4 Qxc2 42. Qe2 Qb3 43. Kf4 Bd8 44. Kf5 Kc8 45. e5 dxe5 46. Qxe5
Qc2+ 47. Qe4 Qf2+ 48. Ke6 *
Position (FEN): 2kb4/8/pp2K3/2pP4/P3Q3/2N5/1P3q2/8 b - - 4 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 620
Best move: Qf6#