That's recently been ported to work as a lichess AI https://fosdem.org/2022/schedule/event/retro_chess/ https://fosdem.org/2022/schedule/event/retro_chess/ (b

That's recently been ported to work as a lichess AI https://fosdem.org/2022/schedule/event/retro_chess/ https://fosdem.org/2022/schedule/event/retro_chess/ (by the same author as the book 20 GOTO 10)