To extend this to entire game histories, here's the Lichess blog post, "Compressing Chess Moves Even Further, To 3.7 Bits Per Move": https://lichess.org/@/marcu

To extend this to entire game histories, here's the Lichess blog post, "Compressing Chess Moves Even Further, To 3.7 Bits Per Move": https://lichess.org/@/marcusbuffett/blog/compressing-chess-moves-even-further-to-37-bits-per-move/YgugQc42 https://lichess.org/@/marcusbuffett/blog/compressing-chess-m...