World No. 1 Magnus Carlsen quit the World Rapid Chess Championship on Friday after he refused to change out of the jeans he was wearing, according to the International Chess Federation (FIDE).

The player’s shock withdrawal prompted the International Chess Federation to relax a dress code that penalized him for wearing jeans to a New York tournament.

World No. 1 Magnus Carlsen played his first match at the World Blitz Championship after initially quitting the chess tournament due to a dress code dispute with organizers. On Friday, Carlsen walked away from the World Rapid Chess Championship after refusing to change out of his jeans,