Magnus Carlsen has been disqualified from the World Rapid Chess Championship in New York due to a dress code violation. The world's No. 1 ranked player refused to change out of his jeans after a previous warning, leading to his dismissal ahead of the ninth round.

World Chess Champion Magnus Carlsen quit the World Rapid Chess Championship Friday after he refused to change out of a pair of jeans, a direct violation of the International Chess Federation's rules.

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).