Why is the user [removed --MS] Not IP Banned. He had been banned 575 times (hence [removed]) yet he is still able to make accounts?
If you suspect someone of using disallowed resources you should report them.
https://support.chess.com/en/articles/8562517-how-do-i-report-someone
That said, IP bans don't work against knowledgeable abusers
Why is the user [removed --MS] Not IP Banned. He had been banned 575 times (hence [removed]) yet he is still able to make accounts?