Chess Engine Python Packages

stockfish

Integrates the Stockfish chess engine with Python (Official fork)

mache

Measure A Chess Engine - From Mache (μάχη, battle) - Scripts and CI templates for measuring chess engines

maia2

Official implementation of Maia-2, a unified human-like chess model across skill levels. For new projects, see Maia-3.

moonfish

~2000 Elo Python Chess Engine that implements: Negamax, PeSTO’s Evaluation, Null Move, Quiescence Search, Lazy SMP.

chipiron

chipiron is a Python library for playing chess. chipiron uses a tree-based approach and neural networks for move selection. The project includes a graphical user interface (GUI) that allows users to play against the Chipiron chess engine or watch it play.

chessmg

Chess move generation at engine speed with a Python API — the move generator behind the helpmate tablebase project.

sunfish

Sunfish: a Python Chess Engine in 111 lines of code

chess-py

Chess library for simple chess engine creation

misty-chess

An open-source fog-of-war (dark) chess engine: exact belief enumeration + GT-CFR search

chaturanga

Chess Engine

chessplainer

Explain chess positions with SHAP: which pieces make Stockfish think a position is winning, drawn or lost.

osmanthus

♟️ An algorithmic chess engine, written in Python.

chess-ng

Full chess engine including chess AI

chessy

A simple chess engine

python-chess4d-oana-chiru

Python rule reference of oanaunc/4d_chess for Spectrally Encoding Chess4D-RU&C stuffs. rules in section 3, doi.org/10.3390/appliedmath6030048

beth

Experimenting with Game AI applied to chess

pygame-chess-api

A chess API in python, provided with a fancy Pygame GUI

tournamentmaster

A Python CLI for running tournaments between chess engines.

pyanchetto

A python chess engine.

chessidle

A pip installable Python chess engine

ajar

Chess Opening Creator

maia2-stubs

Official implementation of Maia-2, a unified human-like chess model across skill levels. For new projects, see Maia-3.

lczero-bindings

Open source neural network chess engine with GPU acceleration and broad hardware support.

chessai-python

Chinese Chess Advanced Analytics