Hans Niemann Filed a $100 Million Lawsuit Against Magnus Carlsen and Chess.com Here Is How It All Ended

In September 2022, a 19-year-old American chess grandmaster beat the greatest player in the world. Within days, that win had triggered one of the most bizarre and heavily covered scandals in sports history — cheating accusations, a viral internet conspiracy involving sex toys, a 72-page investigation report, a $100 million federal lawsuit, and now a Netflix documentary. Here is the complete story of Hans Niemann versus Magnus Carlsen, from the game that started it all to where things stand in 2026.

Quick Facts

Field	Detail
Case Name	Niemann v. Carlsen et al.
Case Filed	October 20, 2022
Court	U.S. District Court, Eastern District of Missouri
Plaintiff	GM Hans Niemann
Defendants	GM Magnus Carlsen, Play Magnus Group, Chess.com, Daniel Rensch, GM Hikaru Nakamura
Amount Claimed	$100 million per cause of action
Outcome	Dismissed June 2023; settled August 2023
Settlement Terms	Confidential — Niemann reinstated on Chess.com
Netflix Documentary	Untold: Chess Mates, released April 7, 2026

The Game That Started Everything

On September 4, 2022, Hans Niemann — a rising 19-year-old American grandmaster — sat down against Magnus Carlsen in the third round of the Sinquefield Cup in St. Louis. Carlsen was the reigning five-time world champion and had been ranked world number one for over a decade. Niemann was a significant underdog. He won.

Carlsen left the 2022 Sinquefield Cup after losing his game to Niemann and posted a cryptic tweet quoting football manager José Mourinho: “I prefer, really, not to speak. If I speak, I am in big trouble.” It soon became clear that Carlsen was accusing Niemann of cheating, though the question on everyone’s mind was how.

When the two met again in an online tournament shortly after, Carlsen resigned after a single move — an almost unheard-of act from a world champion that sent an unmistakable message. The chess world erupted.

What Niemann Admitted — and What He Denied

Niemann did not deny everything. In a September 6, 2022 interview, he admitted that he had previously cheated in online games on Chess.com — first when he was 12 years old during an online tournament and again when he was 16 years old in unrated online games. He maintained firmly that he had never cheated in an over-the-board game.

That admission was, in retrospect, a significant one. It gave Chess.com reason to dig deeper into his account history — and what they found became the centerpiece of the legal battle that followed.

What the Chess.com Investigation Found

Chess.com conducted a 72-page internal investigation into Niemann’s playing history. The investigation found that Niemann had likely received illegal assistance in more than 100 online games, as recently as 2020. That finding went far beyond what Niemann had publicly admitted.

At the same time, the report was careful about what it could not prove. Chess.com stated there was “a lack of concrete statistical evidence that he cheated in his game with Magnus or in any other over-the-board games.” Chess.com removed Niemann from its platform and withdrew his invitation to its 2022 Global Championship — a tournament he had earned the right to play in.

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The Netflix documentary Untold: Chess Mates later revealed that a day after Carlsen’s loss to Niemann, Carlsen’s father contacted Chess.com’s Daniel Rensch to arrange a meeting. Rensch said he had been “hearing whispers” from staff since 2020 and confirmed that Niemann had been caught cheating on the platform. “I didn’t want to believe it. We had been putting on a lot of effort, resources, energy, and frankly love, into Hans’ career. Unfortunately, when we peeled back the onion, we saw that Hans had been cheating since the first day he joined Chess.com,” Rensch said in the documentary.

The Internet Goes Wild — and So Does Elon Musk

While the legal and chess governance machinery cranked into motion, the internet took the scandal somewhere completely different. A theory spread online that Niemann had received move suggestions during over-the-board games through a remote-controlled device. According to The Athletic, the theory went viral largely after Elon Musk shared the rumor on X, formerly known as Twitter.

Niemann addressed it directly — and defiantly — offering to play naked to prove he was not using any hidden device. The story became international news and showed up on late-night television, in mainstream newspapers, and in conversations that had nothing to do with chess. Niemann later reflected on this bitterly. Speaking ahead of the Netflix documentary, he said: “My entire life and career has been destroyed. And I’ll have to live the fact that every conversation I have about chess, we’ll eventually discuss anal beads.”

The $100 Million Lawsuit

On October 20, 2022, Niemann took the fight to federal court. In his lawsuit, Niemann claimed that Carlsen, Nakamura, Chess.com, the Play Magnus Group, and Daniel Rensch had been “egregiously defaming him and unlawfully colluding to blacklist him from the profession to which he has dedicated his life,” and that the situation had caused “devastating damages.”

The claims included slander, libel, unlawful group boycott under the Sherman Antitrust Act, tortious interference with contract and business expectancies, and civil conspiracy. For each cause of action, Niemann sought at least $100 million in damages.

Over the following eight months, the lawsuit was amended twice, but Niemann failed to convince the judge to move to a jury trial. The legal theory struggled particularly on the antitrust side — proving that a group of chess players and a chess platform constituted a cartel operating in restraint of trade was always going to be an uphill battle.

The Lawsuit Gets Dismissed

A federal judge dismissed Niemann’s lawsuit in June 2023. The judge noted that the antitrust claims — “counts 3 and 4” regarding possible antitrust injury — were dismissed “with prejudice,” meaning they cannot be brought again in a new lawsuit.

The defamation claims were dismissed without prejudice, which technically left open the possibility of refiling in a different court. But what happened next made further litigation moot.

The Settlement That Followed

Two months after the dismissal, in August 2023, all parties reached a private settlement. The financial terms were never disclosed. What was disclosed publicly painted a picture of cautious resolution rather than vindication for either side.

Chess.com reported that Niemann had been “fully reinstated” and that the platform stood by its October 2022 report findings, “including that we found no determinative evidence that he has cheated in any in-person games.”

Carlsen acknowledged as part of the settlement that there has been no evidence of Niemann cheating in the game against him — or in any other over-the-board game. Carlsen also agreed to play Niemann in future pairings, ending the informal boycott that had defined much of the dispute.

Neither side issued a formal apology. No damages were paid publicly. Niemann got his Chess.com account back and the right to compete again on the world stage.

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What FIDE Decided

Chess’s international governing body ran its own process separately. On December 12, 2023, FIDE found Carlsen not guilty on three charges: “reckless or manifestly unfounded accusation of chess cheating,” “attempt to undermine honour,” and “disparagement of FIDE’s reputation and interest.” However, Carlsen was found guilty of “withdrawal from tournaments” for his sudden departure from the 2022 Sinquefield Cup and was fined €10,000.

FIDE’s required standard of proof to sanction a player for cheating is exceptionally high. No finding was made against Niemann.

Where Niemann Stands Today

The legal battle is over. Niemann’s career, however, has continued. He is currently ranked 18th in the world with a rating of 2,735 — firmly among the world’s top grandmasters at just 22 years old.

He remains vocal and unrepentant about the injustice he feels he suffered. In February 2026, he posted on X: “When the world piled on smear campaigns, coordinated attacks, strategic silence: no one stood with me. Not a single institutional ally. False narratives spread across major platforms tested my reputation and my career at the highest level.”

He described the entire episode as “the greatest injustice in modern chess history” and called the Netflix documentary “an unfortunate PR-created scandal that was designed to destroy a 19-year-old’s life.”

Carlsen, for his part, reflected in the Netflix documentary on what he felt during the game itself. He said: “I felt that I was not playing a human.”

The Full Timeline

Date	Event
September 4, 2022	Niemann defeats Carlsen at the Sinquefield Cup
September 2022	Carlsen withdraws from the tournament; cheating accusations spread
September 6, 2022	Niemann admits to online cheating twice as a teenager
September 2022	Chess.com removes Niemann from its platform
October 4, 2022	Chess.com releases 72-page investigation report
October 20, 2022	Niemann files $100 million federal lawsuit
June 2023	Federal judge dismisses the lawsuit
August 2023	Parties reach private settlement; Niemann reinstated on Chess.com
December 12, 2023	FIDE fines Carlsen €10,000 for tournament withdrawal; clears him of cheating allegations
April 7, 2026	Netflix documentary Untold: Chess Mates released

Frequently Asked Questions

Did Hans Niemann win his lawsuit against Magnus Carlsen?

No. The $100 million federal lawsuit Niemann filed in October 2022 was dismissed by a federal judge in June 2023. The antitrust claims were dismissed with prejudice, meaning they cannot be refiled. The parties then reached a private settlement in August 2023. Niemann received no public damages award.

What did the settlement include?

The financial terms of the August 2023 settlement were never made public. What was disclosed is that Chess.com fully reinstated Niemann’s account, Carlsen acknowledged there was no evidence Niemann cheated in any over-the-board game, and Carlsen agreed to face Niemann in future tournaments. Neither side issued a formal apology.

Did Magnus Carlsen ever directly accuse Niemann of cheating?

Carlsen never made an explicit public statement saying “Hans Niemann cheated.” His accusations were largely implicit — withdrawing from the Sinquefield Cup after losing to Niemann, resigning after one move in their next online encounter, and making cryptic public comments. FIDE later found him not guilty of making a reckless or unfounded cheating accusation but fined him for the tournament withdrawal.

What did Chess.com actually find in its investigation?

Chess.com’s 72-page report concluded that Niemann had likely cheated in more than 100 online games, as recently as 2020 — far more than the two occasions Niemann had publicly admitted to. However, the report explicitly stated there was no concrete statistical evidence that he cheated in his over-the-board game against Carlsen or in any in-person games.

Has Niemann been allowed to compete in chess since the scandal?

Yes. Niemann has continued to compete at the highest level and is currently ranked 18th in the world with a rating of 2,735. He was reinstated on Chess.com as part of the 2023 settlement and has faced Carlsen again in tournaments since.

What is the Netflix documentary about and is it worth watching?

Untold: Chess Mates was released on Netflix on April 7, 2026. The 74-minute documentary features candid interviews with Niemann, Carlsen, Hikaru Nakamura, and Chess.com’s Daniel Rensch. It reveals new details about how Carlsen first became suspicious of Niemann and gives both men a platform to share their perspectives on the scandal for the first time in documentary form.

What are the legal terms “dismissed with prejudice” and “dismissed without prejudice”?

When a claim is dismissed with prejudice, it means the case is permanently closed on that specific claim — the plaintiff cannot refile it. When a claim is dismissed without prejudice, the plaintiff theoretically retains the right to refile in a different court or after correcting legal deficiencies. In Niemann’s case, the antitrust claims were dismissed with prejudice, and the subsequent settlement effectively ended the remaining claims.

Last Updated: April 11, 2026

Disclaimer: This article is for informational purposes only and does not constitute legal advice. Legal claims and outcomes depend on specific facts and applicable law. For advice regarding a particular situation, consult a qualified attorney.