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.

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

Magnus Carlsen has called for the resignation of FIDE President Arkady Dvorkovich, accusing him of coercion and broken promises following FIDE's failed negotiations with the Freestyle Chess Tour. The dispute involves the use of the 'world championship' title and a waiver requirement for players.

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

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