
Best way to win against cheater




https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
Discussions of cheating, potential cheating, or cheat detection are not allowed. Publicly posting information on a suspected cheat account also is not allowed and using the report option on the profile is supported process.
https://support.chess.com/article/209-how-do-i-report-someone