Chess scandal re-erupts as investigation finds the accused cheated in 'more than 100' games

pcgamer.com:

Over the last month the game of kings has come under intense scrutiny thanks to accusations of cheating made by the world champion, Magnus Carlsen, against the grandmaster Hans Niemann. The whole thing began when the pair faced off in the third round of the Sinquefield Cup, a major chess tournament, an encounter that Niemann won as black. This was a major upset. Perhaps too major.

Shortly afterwards Carlsen withdrew from the tournament, and posted a clip of football manager Jose Mourinho saying «if I speak I am in big trouble.» The implication, quickly made explicit by Carlsen's friend and former world #2 Hikaru Nakamura, was that Niemann had cheated. Niemann strenuously denied the charge, admitting that he had cheated twice as a youngster but saying he was now clean and has never cheated in an over-the-board game.

Carlsen faced criticism himself for the vague nature of the accusation (British grandmaster and former world title contender Nigel Short described it as «death by innuendo»), but then matters came to a head when the pair were drawn against each other in an online tournament. Carlsen made one move, resigned the game, and left. For the chess world champion to do this is shocking. Then, Carlsen came right out and said it(opens in new tab):

«We must do something about cheating, and for my part going forward I don’t want to play against people that have cheated repeatedly in the past, because I don’t know what they are capable of doing in the future [...] So far I have only been able to speak with my actions, and those actions have stated clearly that I am not willing to play chess with Niemann.»

The whole thing is a mess of accusations, denials, and arrant nonsense (such as the claim any cheating somehow involves