Monday, May 25, 2026

Report Alleges Chess Grandmaster Cheated in Over 100 Games

  • A report from Chess.com found more than 100 instances of likely cheating by grandmaster Hans Moke Niemann, including in prize money events.
  • Niemann has been banned from Chess.com and its upcoming $1 million tournament.
Shutterstock

The world’s largest online chess platform released its findings on a scandal that has shaken the chess community.

Chess.com’s investigation revealed that 19-year-old grandmaster Hans Moke Niemann likely cheated using computer assistance in more than 100 online chess games, including multiple prize-money events. 

The platform has banned Niemann and removed him from the Chess.com Global Championship, which carries a prize fund of $1 million.

  • Though Niemann had previously been suspended from Chess.com for cheating, the scandal began in earnest when world champion Magnus Carlsen dropped out of September’s Sinquefield Cup, forfeiting a chance at its $350,000 purse, after losing to Niemann. 
  • Carlsen’s shocking move brought scrutiny to Niemann’s postgame analysis, which other grandmasters called “incoherent” and below what’s expected of a player of Niemann’s rating.
  • Niemann’s rating has risen faster than any other player’s in history over a comparable time period.

Chess.com did not make a determination on whether Niemann had cheated during in-person games such as his fateful match against Carlsen, but said that the issue warrants further inquiry. The International Chess Federation (FIDE), the global governing body for the game, is conducting its own investigation.

Who Can Play Magnus?

The kerfuffle has been awkward for Chess.com and Carlsen, who are financially entangled after the platform agreed to acquire the champion’s company Play Magnus for $82.9 million in August.

Chess.com said it did not consult Carlsen on any of its actions surrounding its investigation or decisions to ban him.

This field is for validation purposes and should be left unchanged.

Sign up for
The Memo Newsletter

Get the biggest stories and best analysis on the business of sports delivered to your inbox twice every weekday and twice on weekends.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Linkedin
Whatsapp
Copy Link
Link Copied
Link Copied

What to Read

How Philadelphia Built a $140 Million World Cup War Chest

Philly’s private fundraising is unique among World Cup host cities.

Philly’s 2026 MLB All-Star Game Turn Was Seven Years in the Works

With Atlanta complete, planning ramps up for the 2026 event in Philadelphia.
Oct 27, 2024; Philadelphia, Pennsylvania, USA; A general view of the Wells Fargo Center before game between Philadelphia Flyers and Montreal Canadiens.

Sixers, Flyers’ Grand Ambition: ‘Greatest Arena in the World’

The forthcoming venue will arrive with plenty of ambition among its owners.

New Philly Arena Was Key to City’s Successful WNBA Bid

The forthcoming team will play in a new arena in South Philadelphia.

Featured Today

Big Money on the Line on Premier League’s Final Day

Arsenal has won the title, but millions are still at stake.
Texas State mascot
May 22, 2026

Mascot-Reveal Videos Are the Newest College Sports Tradition

Student mascot unmasking videos are going mega-viral.
Charlie Pliner and Nikolas Rohrmann
May 22, 2026

How 2 Brown Undergrads Became Sports Dealmakers

An experimental project turned into a permanent course and business deal network.
May 14, 2026

NFL Rivalries Are Made on the Field, Mocked in Schedule Release Videos

Every year, teams find new ways to one-up themselves (and their rivals).

Sabalenka, Sinner Lead Coordinated Media Protest at French Open

The players are seeking increased revenue and improved benefits from Grand Slams.
Sponsored

Volpe Brings Style to the Bronx

With the New York Yankees & Anthony Volpe, Charles Tyrwhitt is bringing its decades-long playbook to one of sports’ biggest stages.
May 22, 2026

Stafford Signs $55 Million Extension With Rams

The 2025 NFL Most Valuable Player receives a sizable pay increase.
Sponsored

How Microsoft and the Premier League Are Making Fans Feel Closer to the Game

The Premier League reaches fans in 189 countries. Now, with Microsoft, it is making global fandom more personal through AI.
May 15, 2026; Newtown Square, Pennsylvania, USA; Bryson DeChambeau plays his shot on the seventh tee during the second round of the PGA Championship golf tournament.
May 15, 2026

Bryson DeChambeau Misses Second Major Cut Amid LIV Turmoil

DeChambeau also missed the cut at this year’s Masters.
Bart Swings/Falyn Fonoimoana/Avery Poppinga
May 14, 2026

OnlyFans Is Paying Pro Athletes What Their Sports Won’t

The adult-content platform is a reliable income source for niche athletes.
May 12, 2026

NBA Player Brandon Clarke Dies at 29

Clarke died on Monday in Southern California, authorities say.
May 12, 2026

Another Summer of LeBron Is Here

James is not under contract for next season.