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Chess player 'likely cheated' in more than 100 games, investigation finds

A chess player at the centre of a cheating row gripping the game "likely" cheated in more than 100 games online, according to an investigation. Hans Niemann has been accused by world champion Magnus Carlsen of cheating, though no evidence has been presented. Now an investigation by says it is likely Niemann has cheated "much more often" than he has acknowledged. But it found no evidence he had cheated in his game against Carlsen or in any "over-the-board" games. The American has admitted cheating in informal games when he was younger but denies doing so in competitive games. The 19-year-old, who has been approached by the BBC for comment, has previously accused Carlsen and of trying to ruin his career. The scandal began last month, after Carlsen, considered by many to be the greatest player of all time, was defeated by Niemann at the Sinquefield Cup in a major upset. The Norwegian made veiled accusations of cheating against Niemann at the time before openly accusing him last week. Now has produced a 72-page investigation into Niemann's games on the site, which most of the world's top players compete on, including for cash prizes. The site, which has banned Niemann for alleged cheating, claims it is likely he cheated as recently as 2020, including in prize money events and against highly-rated "well known" figures in the game. Its analysis compared Niemann's moves to those suggested by chess computers - which are far stronger than even the best players - and the probability of his results, among other factors. "Overall, we have found that Hans has likely cheated in more than 100 online chess games, including several prize money events," the report said. "He was already 17 when he likely cheated in some of these matches and games. He was also streaming in 25 of these games." The report contradicts statements previously made by Niemann that he had only chea