Carlsen's doubts over title defence leave chess facing uncertain future, Magnus Carlsen

The champion is unlikely to defend his title against anyone other than Alireza Firouzja, risking return to era of two No 1s

Carlsen–Niemann controversy - Wikipedia

The Grandmaster: Magnus Carlsen and the Match That Made Chess Great Again by Brin-Jonathan Butler, Paperback

Why did Magnus Carlsen retire from chess when he was young? - Quora

World chess champion won't defend title because he 'does not particularly like it

Magnus Carlsen: 'You need to be very fortunate to be No 1 in fantasy football', Magnus Carlsen

A psychologist analyses Carlsen-Karjakin

Chess: five-times champion Magnus Carlsen aims high after abdicating title, Magnus Carlsen

2014 World Chess Championship (Carlsen vs. Anand) - The Chess Drum

The Grandmaster: Magnus Carlsen and the Match That Made Chess Great Again: Butler, Brin-Jonathan: 9781501172601: : Books

Podcast Notes] Hikaru Nakamura: Chess, Magnus, Kasparov, and the Psychology of Greatness

Magnus Carlsen Will Not Defend World Championship Title

Unmotivated Carlsen not to defend world chess title next year

Qatar Masters Round 2: Carlsen Stunned By Suleymenov

Magnus Carlsen wins 8th Wijk aan Zee title

Qatar Masters Round 2: Carlsen Stunned By Suleymenov