Please do not name active users in public forum regarding potential cheating.
If you have not reported the user yet, please do so (how to here: https://support.chess.com/article/209-how-do-i-report-someone)
The Fair Play team will get to them I am sure if they are proven to have cheated.
username is [Removed - DB] , he has five games against me with 95%+ accuracy from three games, and 90%+ for two games AFTER he intentionally lost his queen. Afterward, he intentionally lost a couple of games, and recently had 14 winning strikes.
These are my games against him with 95%+ accuracy, very engine moves by him too:
[Removed - DB]