Fairy-Stockfish

chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more

opening books for chess variants in EPD format for engine testing and tuning, generated with https://github.com/fairy-stockfish/bookgen

WebAssembly port of the chess variant engine Fairy-Stockfish with NNUE support

Variant NNUE training data generator for Fairy-Stockfish

EPD opening book generation and filtering for chess and chess variants

chess variant NNUE training code for Fairy-Stockfish

Fairy-Stockfish releases with built-in NNUE (neural network) for Xiangqi, Janggi, and Makruk

Fairy-Stockfish website

agent skills related to Fairy-Stockfish

documentation of de facto standards for chess variants

CECP/xboard variant engine matches (e.g., for bughouse)

SPSA tuner for UCI chess variant engines

Fairy-Stockfish discord bot

variant-agnostic UCI chess variant engine matches

Fairy-Stockfish organization readme

Minimalistic chess variant GUI for Fairy-Stockfish, superseded by fairyground