The problem with trials, specifically, is the necessity to go flawless. In a world where every single match was perfectly weighted, this would result in a 50:50 win percentage. Even with two losses that can be forgiven, the odds of going 7 and 2 are very low when every match is a coin flip. Trials basically has to be somewhat unbalanced in order for people to have a realistic chance of attaining the primary goal of trials. You just have to hope that you get a decent string of matches balanced in your favor. The way to fix this is to get rid of the idea of going flawless...