A popular open-source chess interface for playing and analyzing chess games, supporting chess engines and featuring game databases and analysis tools.
XBoard is an open-source graphical user interface for chess. It allows users to play chess games against human opponents or computer chess engines, and has extensive tools for analyzing games and positions.
Some key features of XBoard include:
With its flexibility, analysis power and database integration, XBoard is one of the most fully-featured open-source chess interfaces available.