Aspects of this topic are discussed in the following places at Britannica.
...individuals who are chess prodigies or “lightning calculators” (those who have a remarkable memory for figures) but who are otherwise mentally or developmentally disabled (such as “idiot savants”) are not prodigies.
We welcome your comments. Any revisions or updates suggested for this article will be reviewed by our editorial staff. Contact us here.
Regular users of Britannica may notice that this comments feature is less robust than in the past. This is only temporary, while we make the transition to a dramatically new and richer site. The functionality of the system will be restored soon.