What is Winboard?
Xboard is a graphical user interface for chess. It displays a chess board on the screen, accepts moves made with the mouse, and loads and saves games in Portable Game Notation (PGN). XBoard is free software. It serves as a front-end for many different chess services, including: chess engines that will run on your machine and play a game against you or help you analyze, such as GNU Chess and Crafty. – Tim Mann’s Xboard/Winboard FAQ Find out what Winboard can and cannot do on the Capabilities of Winboard page.