https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
Public accusations of cheating or potential cheating are not allowed. If you feel another member may be using disallowed resources, you should report them via the supported method.
https://support.chess.com/article/209-how-do-i-report-someone
This is not a cheater?
[removed -- MS]
56 W and 3D
100 accuracy in the game againt me. Seriously?