chess \*- the game of 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.
Each move is echoed in the appropriate notation followed by
/usr/lib/book opening `book'
The most cryptic diagnostic is `eh?' which
means that the input was syntactically incorrect.
will cause it to go away.
Pawns may be promoted only to queens.