.th CHESS VI 11/1/73 .sh NAME chess \*- the game of chess .sh SYNOPSIS .bd /usr/games/chess .sh DESCRIPTION .it Chess is a computer program that plays class D chess. Moves may be given either in standard (descriptive) notation or in algebraic notation. The symbol `+' is used to specify check; `o-o' and `o-o-o' specify castling. To play black, type `first'; to print the board, type an empty line. .s3 Each move is echoed in the appropriate notation followed by the program's reply. .sh FILES /usr/lib/book opening `book' .sh DIAGNOSTICS The most cryptic diagnostic is `eh?' which means that the input was syntactically incorrect. .sh WARNING Over-use of this program will cause it to go away. .sh BUGS Pawns may be promoted only to queens.