Unrelated to this story but Carlini rocks.

tic tac toe in printf https://github.com/carlini/printf-tac-toe

Recently Regex Chess: A 2-ply minimax chess engine in 84,688 regular expressions https://github.com/carlini/regex-chess

https://news.ycombinator.com/item?id=48136909

I think headline readers might have thought I meant completely unrelated. It's not. Read the article...