Squeeze Play

How often have you seen a game like this?

The hero has no advantage whatsoever but somehow manages to keep setting the opponent problems. Their opponent goes slightly astray and suddenly hero has a tiny advantage. It's not much but now that they have a little something to work with, they are in their element. They play accurately and remorselessly and make life incredibly difficult for their opponent. Suddenly, and almost imperceptibly, their advantage increases. Further tiny inaccuracies fo...