If you suspect someone you can report abuse so that chess.com can kick off an investigation.
http://www.chess.com/groups/home/cheating-forum
If you suspect someone you can report abuse so that chess.com can kick off an investigation.
http://www.chess.com/groups/home/cheating-forum
You can report cheaters here:
http://support.chess.com/index.php?_m=tickets&_a=submit
And follow the cheating-forum link provided by TheGrobe to view and participate in discussions about cheating.
What if anything can be done if a player is suspected of cheating? They cheat themselves ultimately, but some of them ruin some otherwise fun tournaments, etc...