He has a program instead: https://github.com/2swap/swaptube/blob/1a0d5369d523536d48e4/... [1].
[1] Note that this commit ID is visible from the video itself: https://youtu.be/KaljD3Q3ct0?t=1002
2. I actually prefer when HN links to articles rather than videos. I kind of expect interesting reads, not watches when I open this forum.
I'm not clear how they came to the steady state solution, or how it is memorizable, or is it just intended to be brute forced at that point?
At some point long ago, I was bored and memorized a whole bunch of openings and intuitive rules, and would end up with a 90%+ win rate. Lots of fun.
Deriving the steady state solutions was most interesting to me as well, author just described it as “a genetic algorithm”.