there seems to be a few problems with the ladder and match making. Here is a short list:
The ladder basically doesn't work, only lists the top 200.
Wins and loses only track for matches when someone concedes or stays till the end.
Can't deny all the maps in Head to Head.
Please consider fixing these. I would have posted it sooner if I knew you were going back to Retribution. I still enjoy the ladder, people still play it.