You might be interested in the author's follow up post where they reach 3.7 bits...

		joshka on March 17, 2024 \| parent \| context \| favorite \| on: Compressing chess moves for fun and profit You might be interested in the author's follow up post where they reach 3.7 bits/move after compression. https://mbuffett.com/posts/compressing-chess-moves-even-furt...