1.) "Saturday, 28 Dec 2024 00:33 FIDE statement regarding Magnus Carlsen’s dress code breach" https://www.fide.com/news/3363

2.) "Chess: Carlsen disqualified in New York after refusing to change out of jeans The world No 1 was defaulted from the World Rapid Championship and has also chosen to withdraw from the World Blitz saying ‘it became a matter of principle’"

https://www.theguardian.com/sport/2024/dec/27/chess-carlsen-...