[removed -- MS]
Can A moderator check this and take action for this behaviour
You should use the report option on the player's profile, not post in the forums.
https://support.chess.com/article/209-how-do-i-report-someone
A screenshot of the chat is best, so it can be supplied to support, if needed, but moderators can't action live chat they didn't observe.
[removed -- MS]
Can A moderator check this and take action for this behaviour