+.TH CHESS 6 "28 July 1983"
+.SH NAME
+chess \- the game of chess
+.SH SYNOPSIS
+.B /usr/games/chess
+.SH DESCRIPTION
+.I 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.
+.PP
+Each move is echoed in the appropriate notation followed by the program's reply.
+.SH FILES
+/usr/lib/chess binary image to run in compatibility mode
+.SH DIAGNOSTICS
+The most cryptic diagnostic is `eh?' which
+means that the input was syntactically incorrect.
+.SH BUGS
+Pawns may be promoted only to queens. The book of opening moves
+has disappeared.