Sébastien Feller - Wikipedia

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

Chess prodigy Hans Niemann accused of cheating files $100M suit

Hans Niemann: Chess player accused of cheating 'not backing down

17-year-old European Chess Champion gets 2-year ban for cheating

Is Hans Niemann cheating? - World renowned expert Ken Regan analyzes

Chess player accused of using 'anal beads' to beat opponents may have been cheating for years, report claims

Hans Niemann Cheated in Many Online Matches, Chess.com

Hans Niemann: Chess champion 'likely cheated' in more than 100 online games, report claims

Inside the chess cheating scandal and the fight for the soul of the game - ESPN

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