This isn't just another chess tournament though, with a public spat between Carlsen and the promoters of the FCGT with FIDE in the build-up to the tournament.

D Gukesh and Magnus Carlsen are currently participating at the first leg of the Freestyle Chess Grand Slam Tour.

Magnus Carlsen questioned the validity of classical chess as a measure of skill, favoring rapid chess. Gukesh acknowledged the quality of their championship match, while Carlsen ruled out a title clash.

D Gukesh will play Fabiano Caruana in the quarterfinals of the Freestyle Chess Grand Tour event in Weissenhauss, Germany, on Sunday.

If you or someone you know has a gambling problem, call 1-800-GAMBLER On Friday, Magnus Carlsen begins his quest to grow the popularity of an alternative chess variant and win the tournament itself.