[assblaster]

>An expert human player is an expert precisely because her mind automatically identifies the essential parts of the tree and focusses its attention there.

Instead of using gender neutral pronoun like "they", the author used a feminine pronoun.

[skybrian]

This is nitpicking. I like using singular "they" and I'm guessing it will win, but this isn't settled yet and some editors make different choices.

[skyyler]

I don't like singular "they", we should try to establish a second person plural pronoun.

[erikpukinskis]

It actually feels to me that you are injecting gender controversy here.

The New Yorker style guide allows the author to use he or she at their discretion. That’s been the norm for hundreds of years.

[WillPostForFood]

It is especially jarring when there is only one woman in the current top 100 chess players, Yifan Hou ranked 86.

[erikpukinskis]

Are there no expert players outside of the top 100?

[Para2016]

I'm not sure that out of those thousands of words that's the idea that deserves notice and discussion.