Have there been cases where chess grandmasters have been exposed as cheaters? - Quora

Chess world rocked by cheating accusation that first surfaced in St. Louis

The History Of Cheating In Chess

Checkmate! Georgian Chess Grandmaster caught cheating using a

Champion Magnus Carlsen resigns after one move as chess cheating

Chess grandmaster Hans Niemann tells Piers Morgan he did not use sex toy to cheat during tournament

Hans Niemann's chess cheating scandal looms over his play at U.S.

Who is Hans Niemann, the controversial teen chess grandmaster – and did he really cheat against world champion Magnus Carlsen? Inside the 19-year-old's rise to notoriety

Chess Grandmaster Hans Niemann Gets Pre-Match Butt Scan After Cheating Claims

Hans Niemann Cheated in Many Online Matches, Chess.com

Chess world rocked by cheating allegations after 19-year-old beats one of world's top players