how does white beat Qf5?

Yes. Here, I'll post the entire thing:

There are other variations of course after the thrust, 4. c5!

Real Magic !  I knew pawn ' c ' must go ahead but tangled in the complications after that !

                White to play and win

The forth move was really tough 

Yes,agree with you . And here is one more with not easy to find moves :

                      White to play and win

           White to play and win

                           White to move and win

Holy mother of queen! I don't know hungry queen can do that! 

That was such a beautiful one Asorski!!

Thanks for posting, Asorski, this Queen is really very hungry :)

Is the author known ?

No, I just solved the problem. I never know it's originator. I could say that all problems in this thread is of highest standard!

Two thumbs up to you Sherlock_Holmes for starting this on.

Keep going!!

                                    White to play and win

               White to play and win

white to play and win

I will post the solution, for next days will not be online :

And a second line with 2...Bd5 instead of 2...Qc7

nobody likes to be manipulated 

                M.Havel