Carlsen's doubts over title defence leave chess facing uncertain

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

Magnus Carlsen won't defend world chess championship title in 2023, but isn't retiring

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

Chess: Magnus Carlsen 'unlikely' to defend crown, but questions remain, Magnus Carlsen

Carlsen vs. Karjakin: Strengths & Weaknesses

Hikaru Nakamura wins the 2023 Bullet Chess Championship, defeating Magnus Carlsen 17.0 - 15.0 in overtime : r/chess

Candidates Tournament 2022 - Wikipedia

The Rise of Magnus Carlsen

World Champions Who Gave Up The Crown

Qatar Masters Round 2: Carlsen Stunned By Suleymenov

Magnus Carlsen Custom Chess Openings

Magnus Carlsen Is Giving Up His World Title. Replacing Him Won't Be Easy. - The New York Times

Carlsen–Niemann controversy - Wikipedia

Niemann mentor demands apology from Magnus Carlsen (Norwegian article) : r/ chess

Magnus Carlsen wins 8th Wijk aan Zee title