The chess part of the story makes for a nice diversion. I think the main lesson from the story is having a good relationship with someone in authority is far more useful than a resume.

At least in getting your foot in the door. I'm sure Boaz Weinstein did something right afterwards to get to where he is.

I think the key is to make your own luck by pursuing your passions and being good at them. Dedication and excellence are always appreciated - and things may work out in ways you don't expect. Sounds pretty much like a basic guideline for the entrepreneurial attitude.