what is the cheat he did?
cheat warning
Discussions of cheating, potential cheating or cheat detection are not allowed on the general forums. If you would like to have that discussion, join the following group.
https://www.chess.com/club/cheating-forum
Chess.com takes cheating very seriously:
https://www.chess.com/article/view/chess-com-fair-play-and-cheat-detection
https://support.chess.com/customer/en/portal/articles/1444879-fair-play-on-chess-com-what-you-need-to-know
To report a suspected cheater to the Support team, please select Report Abuse under the Help menu, or use this link: https://support.chess.com/customer/portal/emails/new.
All reports are investigated, even if there is no immediate visible action.
Just finished a game with this user known as [public accusations not allowed -- VP]. I normally wouldn't put a user's name but I think we need to name and shame the fraudsters and cheats who make this app look bad.