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A comment on How long does it take ordinary people to get good at chess?. Parent comment

Re:How long does it take ordinary people to get good at chess? by rramadass on Sunday October 31, 2021 @12:19AM (#29054440)
>Cognitive sharpness is often best not long after waking and as well as after light exercise.

Can you recommend some books/papers/videos on this ?

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