.TH CHESS 6 .SH NAMEchess \- the game of chess.SH SYNOPSIS.B /usr/games/chess.SH DESCRIPTION.I Chessis a computer program that plays class D chess.Moves may be given either in standard (descriptive) notationor 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..PPEach move is echoed in the appropriate notation followed bythe program's reply..SH FILES/usr/lib/book		opening `book'.SH DIAGNOSTICSThe most cryptic diagnostic is `eh?' whichmeans that the input was syntactically incorrect..SH WARNINGOver-use of this programwill cause it to go away..SH BUGSPawns may be promoted only to queens.