Carlsen said in February 2022 that his contracting [[Covid-19]] affected the level of his play at that time, when a 16-year-old player from [[India]] surprisingly defeated him.<ref>https://www.npr.org/2022/02/22/1082284287/carlsen-praggnanandhaa-chess</ref> | Carlsen said in February 2022 that his contracting [[Covid-19]] affected the level of his play at that time, when a 16-year-old player from [[India]] surprisingly defeated him.<ref>https://www.npr.org/2022/02/22/1082284287/carlsen-praggnanandhaa-chess</ref> |