Freestyle Chess Grand Slam tour boss Jan Henric Buettner and all-time great Magnus Carlsen have called on International Chess Federation (FIDE) president Arkady Dvorkovich to resign after talks over an agreement about the new series fell through.

World No.1 chess player Magnus Carlsen has launched a scathing attack on FIDE president Arkady Dvorkovich, accusing him of abusing his authority and coercing players against Freestyle Chess Grand Slam.

Magnus Carlsen, a 34-year-old Norwegian, is among the greatest chess players of all time.

World No. 1 Magnus Carlsen shared a text that FIDE chief Dvorkovich had sent to his father, Henrik, before demanding the Russian's resignation.

Further talks with Fide futile, says Freestyle Chess promoter Jan Buettner; Fide says Freestyle Chess refused to acknowledge its status as sole regulator of the World Championships

Disagreement over right to regulate any 'World Championship' and waiver for players to appear in unsanctioned league

Discover why chess icon Magnus Carlsen is calling for the resignation of FIDE President Arkady Dvorkovich amid a high-stakes dispute over the Grand Slam Tour.

I n a massive move that further fueled the ongoing controversy, the FIDE released a statement on Monday revealing that it hadn’t reached an agreement with the Freestyle Chess Gr

The feud saw FIDE on one side and prominent players such as Magnus Carlsen on the other. Why was the chess world in turmoil in recent weeks and what has changed now? We explain.