Out of curiosity, how did you get male fragility from that?
Reading through it there were several effects mentioned.
Testosterone makes men more likely to push to the highest level.
Women are discouraged from playing chess, and so less are set on a course to be amongst the best.
Women perform worse when they know they are competing against a man (thought to be a self fulfilling prophecy from stereotypes). Men don't seem affected by this.
It mostly boils down to male fragility
https://theconversation.com/whats-behind-the-gender-imbalance-in-top-level-chess-150637
Out of curiosity, how did you get male fragility from that?
Reading through it there were several effects mentioned.
Testosterone makes men more likely to push to the highest level.
Women are discouraged from playing chess, and so less are set on a course to be amongst the best.
Women perform worse when they know they are competing against a man (thought to be a self fulfilling prophecy from stereotypes). Men don't seem affected by this.
None of those seem to be male fragility.