Appreciate this effort to cracking down on cheating or circumvention of the rules, a lot of the other sites offer lip service to this issue and allow the players to be cheated on.
We're taking the integrity of our games very serious and so does the network. There has been several changes on the server side over the last week which will aid in reducing the risk of collusion across the entire network and our team is actively monitoring the games and tournaments.
Which OS / browser are you currently using?
~Sandy