ScienceNot Exactly Rocket Science

Why are there so few female chess grandmasters?

Because there are more male chess players overall – it’s a simple statistical effect that’s commonly overlooked.

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Three years ago, Lawrence Summers, former president of Harvard University, claimedthat genetic differences between the sexes led to a “different availability of aptitude at the high end”. His widely derided led to his dismissal, but is views are by no means uncommon. In the same year, Paul Irwing and Richard Lynn conducted a review of existing studies on sex differences in intelligence and concluded:

“Different proportions of men and women with high IQs… may go some way to explaining the greater numbers of men achieving distinctions of various kinds for which a high IQ is required, such as chess grandmasters, Fields medallists for mathematics, Nobel prize winners and the like.”

Irwing’s opinion aside, there clearly is a lack of women in the areas he mentioned. In chess for example, there has never been a single female world champion and just 1% of Grand Masters are women. And as long as that’s the case, there will always be people who claim that this disparity is caused by some form of inferiority on the part of the underrepresented sex. Thankfully, there will...

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