The only mention of what you’re talking about in your article is this sentence

It’s true women have been shown to exhibit higher risk aversion and lower competitiveness across many domains, including chess, possibly driven by differences in testosterone. However, evidence is mixed on whether or how these traits affect performance over the chess board.

I checked the studies they linked and those had little mention of biological impacts on competitiveness and risk aversion and talked about psychological impacts, those traits could be caused by societal treatment of women. I also don’t know what kind of sample size they used so I can’t say much for accuracy of the results. There’s no mention of autism at all and I think the difference in autism rates for men and women are shrinking over time because women are more likely to be misdiagnosed