only answer is that these are Chesscom bots
Chess engine user
I was going to subscribe glad I didn’t
cheating online is out of control and there’s nothing u can do about it
I finally admitted that’s the reality
https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
https://www.chess.com/article/view/online-chess-cheating
https://www.chess.com/article/view/chesscom-update-july-2024#FairPlay
The site closed almost 60,000 accounts in June for fair play violations and has a full team of staff working on reports along with some automated systems for detection.
https://www.chess.com/article/view/fair-play
That said, discussions of cheating, potential cheating, or cheat detection are not allowed in the general forums. If you would like to discuss join the following club once you've been a member for at least a month. https://www.chess.com/club/cheating-forum
CHEATERS