Toy chess engine!

You've already done alpha-beta pruning, if I recall correctly, for tic-tac-toe. Let's see if you can do it for chess! :)

There's a ton of very simple engines to learn from, such as sunfish:
https://github.com/thomasahle/sunfish
https://www.chessprogramming.org/Sunfish

And in general, the chessprogramming wiki is awesome:
https://www.chessprogramming.org/