basing my opinion on different gaming systems, that when there is a ranking system the lowest class cant chose to challenge the highest class on a system of merit.. you should have to earn that honor

Implement a filtration system for higher/lower ranked players

There should be some filter so that your playing your same class/rank.

I feel there should be an option to block lower/higher ranked members from joining games with your current rank.

It seems even a premium account does not have ...