I mention Huffman in my follow-up post: https://mbuffett.com/posts/compressing-chess-moves-even-further/ https://mbuffett.com/posts/compressing-chess-moves-even

I mention Huffman in my follow-up post: https://mbuffett.com/posts/compressing-chess-moves-even-further/ https://mbuffett.com/posts/compressing-chess-moves-even-furt... , but chose arithmetic encoding instead.