Gnuchess plays a game of chess against the user or it plays against itself. Gnuchess is an updated version of the GNU chess playing program. It has a simple alpha-numeric board display, an IBM PC compatible interface, or it can be compiled for use with the chesstool program on a SUN workstation or with the xboard program under X-windows. To invoke the program gnuchess - simple curses based version gnuchessn - fancy version using curses and inverse video on UNIX, or IBM PC cursor controls and characters on MSDOS gnuchessr - ASCII based version gnuchessc - chesstool compatible version gnuchessx - xboard compatible version