Chess is in chaos over suspicion that a player cheated against Magnus Carlsen

The Wall Street Journal quoted Kenneth Regan, professor of computer science and engineering, in an article on the chaos that ensued when world champion chess player Magnus Carlsen withdrew from a major tournament after a stunning loss to opponent Hans Moke Niemann, igniting suspicions of foul play by Niemann.

Security checks, including game screening of Niemann’s play by Regan, one of the world’s leading chess detectives, haven’t found any wrongdoing.

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