carlsen: Lacking motivation, Carlsen not to defend title at 2023 World Chess Championship - The Economic Times

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.

Magnus Carlsen Facts for Kids

Magnus Carlsen not to defend title at 2023 World Chess Championship- The New Indian Express

World chess champion Magnus Carlsen not to defend his crown in 2023

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Magnus Carlsen plays chess far better than anyone in history, according to science

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Ding Liren succeeds Carlsen as world chess champion with gutsy playoff win – The Irish Times

World Chess Championship - Wikipedia

World Championship title: Magnus Carlsen will not defend world chess title next year, says 'I am not motivated to play another match

An Unmotivated Magnus Carlsen Will Give Up World Chess Title - The New York Times

Chess legend Magnus Carlsen unmotivated to compete in world championship: 'I don't have a lot to gain

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