A question was posed, can 5...f6 refute the BKG? I gave it some thought and found a solution on my second try against the computer. This was a very intense game where I was so focused on achieving a win. I had to prove to myself that it was possible. Here is the game for your enjoyment.

Instead of b4, why not 7.Nxe5:

I like that - very nice! I just started reading a book on sacrifices and that makes a perfect example. Thanks Mehdipiero, much appreciated.