A chess engine written in Python with no dependencies. All contributions welcome.

This project is in active development and you may encounter bugs, especially in the game loop and/or implementation of game rules.

The contribution guide can be found on the documentation page

• Internal bitboard representation
• Alpha-beta pruned search
• Move generation API
• Opening book

• Move ordering for faster forward search
• Non-trivial board state evaluation using better heuristics

Install using pip -

# macOS / Linux (could work on Windows)
python3 -m pip install -U chessengine

# Windows (the primary way)
py -3 -m pip install -U chessengine

Start a game with the computer -

chessengine play

or

python -m chessengine play

If you want to play against another player -

chessengine play -p

or

python -m chessengine play -p

This project uses the black linter for determining code style.

# Install black via pip.
python -m pip install black==22.10.0

# Format
black .

If you've forked this repository, consider enabling GitHub Actions to leverage the automatic pull request creation provided for resolving code formatting errors!