If you feel like another member is using disallowed resources you should directly report them to staff.
https://support.chess.com/en/articles/8562517-how-do-i-report-someone
Public accusations are not allowed. In addition discussions about cheating, potential cheating, or cheat detection are not allowed in the general forums.
Its not possible that i am reporting a person with 95% win rate also playing badly in the game then destroying me chess.com solve this cheating problem i keep losing elo for no reason other than my opponent is cheating
[public accusations are not allowed -- MS]