You can report them by using the link, which appear at bottom of page "Help and Support."
Report an abusive member
Sort:
Take a look at one of the comments here. The member needs sorting surely? http://www.chess.com/forum/view/livechess/players-who-leave-game-just-after-it-starts?lc=1#last_comment
HI
Can I report a member who had an abusive remarks on the chat?
Usually I dont mind them but sometimes it just ruins the game aspesially if its a racist remark.