https://support.chess.com/en/articles/8562517-how-do-i-report-someone
Public reporting/accusations are not allowed. You can use the report option on the player's profile.
The site also won't provide steps taken on reports but depending on severity and account history it usually starts with a warning.
[removed - MS] adlı kişi beni zorbalıyor lütfen gerekeni yapın ve ne ceza vereceğinizi banada söylerseniz sevinirim.