Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. cxd5 exd5 6. Bf4 O-O 7. e3 Bg4 8. h3
Bh5 9. Qb3 Bxf3 10. gxf3 b6 11. h4 Nc6 12. Rg1 Kh8 13. Be5 Nxe5 14. dxe5 Nd7
15. Qxd5 c6 16. Qd4 Nc5 17. Qg4 Rg8 18. Rd1 Qc7 19. f4 b5 20. Bd3 Nxd3+ 21.
Rxd3 Rad8 22. Rxd8 Qxd8 23. Ke2 b4 24. Rd1 Qa5 25. Ne4 Qxa2 26. Rd2 h6 27. Qd7
Bxh4 28. Nd6 Kh7 29. Nxf7 Qc4+ 30. Kf3 Qc1 31. Qd3+ g6 32. Kg2 Qc5 33. Qd7 Rg7
34. Qe8 Rg8 35. Qe6 Rg7 36. Nd6 Qc1 37. Ne4 h5 38. Qc8 Qc4 39. Nf6+ Bxf6 40.
exf6 Rf7 41. Qe8 g5 42. Rd4 Qb3 43. f5 h4 44. Rd7 Rxd7 45. Qxd7+ Kh6 46. Qg7+
Kh5 47. Qg6+ Kg4 *
Position (FEN): 8/p7/2p2PQ1/5Pp1/1p4kp/1q2P3/1P3PK1/8 w - - 5 48
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1312
Best move: f3#