Advantages include
* can be in person or remote
* safe, businesslike environment with well-defined structure
* no need to talk about anything personal
* supportive for the very shy - go at your own pace
* also challenging for those who don't think of themselves as shy - but have trouble delivering a 7 minute memorized speech in front of a large audience judging their performance
See the chapter on teaching critical thinking in:
Kosslyn et al, "Building the Intentional University: Minerva and the Future of Higher Education (The MIT Press)"
For decision making:
Heath et al, "Decisive: How to Make Better Choices in Life and Work"
Is there a plan to add the best chess variants to the open source alpha zero clone leela chess zero (lczero.org)? I'd love to play capture anything/no castling variant with lc0!
If you like to learn by reading books, a nice self-contained refresher can be found in No Bullshit Math & Physics, and No Bullshit Linear Algebra by Savov.