Lacking motivation, Carlsen not to defend title at 2023 World Chess

Carlsen said he had met with representatives from The International Chess Federation (FIDE) to inform them of his decision in Madrid in connection to the Candidates Tournament -- which decides who gets a chance to challenge the world champion.

World champion chess player says he won't defend title

World chess champion Magnus Carlsen says he will not defend his title in 2023 : NPR

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Carlsen Will Give Up His Title, Will Not Defend in 2023

Contenders face off for world chess title without top-ranked Carlsen