Checkmate! Georgian Chess Grandmaster caught cheating using a

Georgian champion Gaioz Nigalidze kept nipping to loo to analyse his game using smartphone app but his opponent became suspicious

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Think Cheating in Baseball Is Bad? Try Chess - The New York Times

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Did Hans Niemann cheat in his match against Magnus Carlsen? - Quora

Cheats for Chess (The Boardgame) – GuideCheats

Magnus Carlsen Accuses Hans Niemann of Cheating - The New York Times