This time around, some mental aspects come into play. In two of the games, the players submitting their games were a pawn up, but both had a tough time converting the extra material and even went on to lose. What did they do wrong? The answer, I believe, has both an objective "chess" answer and a mental one as well.
What is that answer? Tune in and see! The show is free, available on-demand for the next month or so, and should be accessible via links either here or here. (If it's not up yet, be patient - the CV admins should have it up soon.)