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Re:World’s No 1 bridge player suspended after failing a drug... by haihaibye on Saturday March 02, 2019 @06:02PM (#19291668)
How do you know testosterone isn't performance enhancing? There are clear replicated correlations to testosterone levels and spatial rotation tasks in the literature.

Why do purely mental games like bridge and chess have separate men's and women's tournaments?

Re:World’s No 1 bridge player suspended after failing a drug... by minkzilla on Saturday March 02, 2019 @06:43PM (#19291835)
For chess the are no men's only tournaments (on a professional level) but there are women's only.
Re:World’s No 1 bridge player suspended after failing a drug... by ianremsen on Saturday March 02, 2019 @10:34PM (#19292548)
The reason (in chess at least, which is what I'm familiar with) is to encourage more women to play chess, to close the gender gap formed in the first 150 years centuries of international organized chess.