#fen

A chess library for Python, with move generation and validation, PGN parsing and writing, Polyglot opening book reading, Gaviota tablebase probing, Syzygy tablebase probing, and UCI/XBoard engine communication

Fastest Python draughts/checkers library — bitboards, 8 variants, alpha-beta engine, web UI. ~200x faster than pydraughts.

Chess and chess variant rules and operations in TypeScript

A JavaScript/TypeScript library implementing the chess game rules and providing tools to read/write the standard chess file formats.