Magnus Carlsen says he might not defend his world chess title

Chess News: Newly-crowned double World Chess champion Magnus Carlsen says he's unlikely to defend his title unless he faces French-Iranian prodigy Alireza Firouzj

Is Magnus Carlsen following Bobby Fischer's fatal example?

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

Interview: Being nerdy is good, says chess world champion Magnus Carlsen

Five-time World Chess Champion Magnus Carlsen will NOT defend his title « Euro Weekly News

Magnus Carlsen - Wikipedia

World Chess - Magnus Carlsen, the World Chess Champion

Chess: 'Unmotivated' Magnus Carlsen will not defend world championship title, FIDE says show goes on

World Champion Carlsen Won't Defend Chess Title

Magnus Carlsen Will Not Defend World Championship Title

Five-time world chess champion Magnus Carlsen won't defend title, doesn't 'have a lot to gain' - ABC News

Magnus Carlsen Wins World Chess Championship - The New York Times