A chess compression library
Binary encoding and decoding for chess games, as used by Aix
Compresses chess games using Huffman coding
A library for optimally compressing chess games in PGN format.
A command-line tool for optimally compressing chess games in PGN format.
Generates Aix-compatible Parquet file from PGN files of chess games
Chess implementation & compressed data formats for Monty
Huffman compression given a probability distribution over arbitrary symbols
Open source chess engine with hybrid vector-based position analysis, advanced tactical search, and NNUE neural network evaluation
Fast game data extractor — drains PGN into tokenized training data for ML models. 60K+ games/sec.
CJC-Lang (Computational Jacobian Core) — a deterministic numerical programming language for reproducible computation, ML pipelines, scientific computing, and physics-informed neural networks
swiss army knife for chess file formats