During the Sinquefield Cup in September 2022, a controversy arose involving the chess grandmasters Magnus Carlsen, then world champion, and Hans Niemann. Carlsen, after surprisingly losing in their third-round matchup, dropped out of the tournament.

Sep 7, 2024 · World No. 1 Carlsen defeated Niemann 17.5-12.5 in their semifinal at the 2024 Speed Chess Championship in Paris on Friday in a match affected by issues with the technology used to play on.

Sep 7, 2024 · Chess great Magnus Carlsen beat nemesis Hans Niemann 17.5-12.5 to advance to the Speed Chess Championship final on Friday, in their first face-off since the world number one accused his...

Aug 29, 2023 · Magnus Carlsen accused Hans Niemann of foul play after he lost in the Sinquefield Cup in September. Mr Niemann sued his rival, the online platform Chess.com, and a second grandmaster for...

Sep 27, 2022 · World chess champion Magnus Carlsen has for the first time openly accused fellow player Hans Niemann of cheating. In a statement, he said he believed Mr Niemann had "cheated more — and more...

Dec 13, 2023 · GM Magnus Carlsen has been declared not guilty of three charges brought against him by FIDE's Ethics & Disciplinary Commission following the 2022 Sinquefield Cup, but he was fined for "withdrawing without a valid reason".

Dec 13, 2023 · After his loss in the third round of the Sinquefield Cup in St Louis, Missouri on 4 September 2022, GM Magnus Carlsen withdrew from the tournament and made statements that insinuated that he was the victim of cheating by his opponent.

Aug 29, 2023 · Magnus Carlsen, the world number one, and the rising US talent Hans Niemann have resolved their cheating claim dispute, which led to a $100mn lawsuit and polarised opinion among chess fans.

Sep 27, 2022 · World chess champion Magnus Carlsen has for the first time openly accused fellow player Hans Niemann of cheating. In a statement, he said he believed Mr Niemann had "cheated more — and more...

Aug 29, 2023 · Norway's Magnus Carlsen and U.S. chess prodigy Hans Niemann, whom the former world champion accused of cheating last year, have resolved their dispute outside court, online platform...