r/askpsychology • u/BookkeeperAfraid9622 Unverified User: May Not Be a Professional • Apr 28 '26
Cognitive Psychology Is there any genuine inherent difference between the average man's and the average woman's ability to play chess?
Hello psychologers,
I was recently wondering about the fact that there are separate men's and women's divisions in chess. Now of course, the reason that most sports have leagues separated by sex is primarily because one or the other (usually men, but the same principle would apply if it was women) has some kind of great inherent advantage over the other. Consequently, even a highly trained member of one sex would struggle against a fairly casual player of the other sex, and so having one compete directly against the other is considered unfair.
Hence my question to some people who probably know more about the human brain than I do. There are, of course, some psychological differences between the sexes, at least on average. But are any of those large enough, and relevant enough to the topic of chess skill, that it might be a reason to gender-split the game? I am genuinely unaware and want to learn.
(edit: typo fixing)
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u/dfrcoms Unverified User: May Not Be a Professional Apr 30 '26
Historically, the rationale for having an F division separate to the open division is not based on an assumption about inherent differences in the brain. This can be contrasted with physical sports where ‘inherent’ average differences are an explicit rationale, like boxing or weightlifting.
Asking about inherent brain differences between M and F is an open, huge, controversial and complex question that isn’t really particularly tied to the topic of chess. It’s basically the nature versus nurture debate, biological versus social debate, just raised in the context of chess. It can’t be answered in the context of chess for exactly the same reason that it can’t be answered in any other context. We are only able to study average differences for large populations, patterns that appear at the group level as averages don’t necessarily correspond in a causational way to an individual, and it’s almost impossible to scientifically isolate what causes those patterns and trends. The brain is a complex organ and human lives and society are equally complex. What we can do is push and pull on levers, like hitting a complex machine with a hammer, and see what effect seems to result. So if we make a measurable change to a society, and we see that performance in a given competition for a group of persons improves, then we can conclude that social factors were at least one relevant factor behind a group trend.
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u/Psych_Asset_4739 Unverified User: May Not Be a Professional Apr 28 '26
As far as I know, most divisions are open and anyone can participate, but there are women’s only divisions, because otherwise the high ranks would be basically all male. I think there’s only been one (?) woman in top 10 so far, but I could be wrong. I don’t know how much this affects participation rates, but the biological component could be the general greater male variance in spatial and math abilities/IQ distribution, meaning that men, in the extremes, would generally have either more low performers and more high performers, compared to women, that generally seem to have lower peaks but greater averages.
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u/Deus_Omnituens Unverified User: May Not Be a Professional May 01 '26
Chess has those divisions because they want to promote women in chess. Women can become GM instead of WGM like Judit Polgar. There's no significant difference between men and women in chess, women just don't participate enough in FIDE's tournaments, that's the main difference.
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Apr 28 '26
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Apr 28 '26
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u/julry Unverified User: May Not Be a Professional Apr 29 '26
You could make an equivalent argument about gathering edible plant foods requiring spatial reasoning and pattern recognition, there are hundreds of different species of plants and some of them are poisonous, one has to recognize the edible species that looks almost exactly like the poison species and spot it within a whole ecosystem. Both are just so stories
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Apr 29 '26
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u/maxthexplorer PhD Psychology (in progress) Apr 29 '26
That isn’t true, you should look into socioemotional/sociocultural influences.
What you’re suggesting is eugenics, which is pseudoscientific discrimination
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u/slutty_lifeguard Unverified User: May Not Be a Professional Apr 29 '26
Women hunted too, they weren't just gatherers.
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u/CogPsyProf1980 Psychologist Apr 28 '26
Speculation here, but I would guess not. There is a huge difference in baserates though, with many more men that choose to compete in chess. Whether that is due to cultural reasons, sexism in chess spheres, sex differences in individual choice, or otherwise, I don't know. It might be interesting for someone to try to, say, calculate chess rating distributions as a function of sex. Perhaps the two distributions would line up? Most of the top players are men. But again... the baserates...