A chess prodigy who launched a $100m (£89m) lawsuit in opposition to a grandmaster and the world's largest on-line chess platform after being accused of dishonest has had his case dismissed.

Hans Niemann, 20, shocked the world of chess when he beat 5 time world champion Magnus Carlsen - thought-about by some as the best participant of all time - in September final yr.

But what adopted was much more explosive - Carlsen accused his opponent of dishonest.

An investigation by Chess.com later claimed it was "likely" Niemann cheated in more than 100 online games, together with in a number of prize cash occasions.

The American chess prodigy denied dishonest and launched a lawsuit accusing Chess.com and several other outstanding chess figures, together with Carlsen, of conspiring to defame and blacklist him.

On Tuesday, a federal courtroom in Missouri dismissed the case.

US District Court Judge Audrey Fleissig rejected Niemann's claims that Carlsen and Chess.com broke antitrust legal guidelines by colluding to exclude him from profitable tournaments.

Judge Fleissig additionally discovered she didn't have jurisdiction over Niemann's state legislation claims for defamation and breach of contract.

Lawyers for Niemann stated in a press release that the choice had "absolutely no impact" on his capability to pursue his defamation claims in state courtroom.

Chess.com co-founder, Erik Allebest, and the corporate's Chief Chess Officer, Daniel Rensech, stated in a joint assertion that they have been "glad to see this ruling".

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"We obviously thought it was a meritless lawsuit that burned a ton of time and money, but we have a stewardship to protect the game," the pair stated of their assertion.

A lawyer for Carlsen additionally instructed Chess.com that he was "pleased" that the courtroom had dismissed the case.

The row started after Niemann defeated Carlsen within the 2022 Sinquefield Cup in Missouri in September final yr, a win which ended the Norwegian's 53-game unbeaten run.

After shedding the sport, Carlsen shared a publish on Twitter which referenced a well-known quote by soccer supervisor Jose Mourinho, during which he stated: "I prefer, really, not to speak. If I speak, I am in big trouble."

Carlsen later resigned from an internet match in opposition to Niemann after making only one transfer - after which accused his opponent of dishonest.

Chess.com, the world's hottest chess platform, used detection instruments and evaluation of a participant's strikes in opposition to these advisable by computer systems to place collectively a report into Niemann.

The 72-page report by Chess.com stated there was a "lack of concrete statistical evidence" that Niemann had cheated in opposition to Carlsen or every other "over-the-board" or in-person video games.

However, it alleged Niemann had "likely received illegal assistance in more than 100 online games" as not too long ago as 2020 - together with "several prize money events".

Niemann, who beforehand admitted to dishonest in non-competitive video games as a toddler, denied the allegations, and stated he by no means cheated greater than he admitted to, or in any video games over the board.

He additionally claimed that he had misplaced out on hundreds of thousands of {dollars} in potential winnings after being allegedly blacklisted from main tournaments.