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.

The fuss around the grand master’s wearing of denim pants to a tournament is a reflection of tensions within the game.

The world’s No 1 chess player Magnus Carlsen will return to the World Rapid and Blitz Chess Championships in New York after initially withdrawing as he refused to change out of a pair of jeans. The 34-year-old pulled out from the World Rapid Championship on Friday after breaching the dress code and opting not to change his attire.

International Chess Federation President Arkady Dvorkovich said in a statement Sunday that he'd let World Blitz Championship tournament officials consider allowing “appropriate jeans” with a jacket, and other “elegant minor deviations” from the dress code.

Chess champion Magnus Carlsen quit the World Rapid Chess Championship after he refused to change out of a pair of jeans, which, according to the World Chess Federation, is a dress code violation. NBC News' Dana Griffin explains how the chess champion was able to return to compete and spark a conversation about tradition and modernization within the game.

The International Chess Federation says Carlsen left the World Rapid and Blitz Chess Championships after refusing to change out of the jeans he wore to competition.

This is crazy , after multiple draws they took this decision