bitboard
Fast perfect-play Connect Four (Connect-4) solver for Python and C++ with bitboards, opening books, and MTD(f) search
Fastest Python draughts/checkers library — bitboards, 8 variants, alpha-beta engine, web UI. ~200x faster than pydraughts.
Chess move generation at engine speed with a Python API — the move generator behind the helpmate tablebase project.
A UCI-compatible four-player chess engine
