Grandmaster with 400 Rating - Chess Forums

As I was browsing some of the games available to spectate by clicking on the button that reads, "Live Chess", I came across what seems to be a grand master level player with 400 rating.

The doctor who only used ChessMood to raise 400 points in 1 year

Weird winning odds in TTs if rating difference <50-100 points : r/chess

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Weird winning odds in TTs if rating difference <50-100 points : r/chess

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