To install dependencies and run the game:

apt-get install python3 python3-pip
python3 -m pip install -U jsonpickle numpy pygame
./chess.py

To package the game into an executable using pyinstaller:

if pyinstaller is not already installed then install it.

pip install pyinstaller
pyinstaller --onefile chess.spec

Multiplayer:

Host a game with:

./chess.py server

Connect to hosting device:

./chess.py client localhost

Or replace localhost with an IP. Port forward 9992 to host device for public games.