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-
-.TH XCHESS 1 "14 Nov 1986" "X Version 10"
-.SH NAME
-xchess \- X chess display
-.SH SYNOPSIS
-.B xchess
-[ option ... ] [ white-display ] [ black-display ]
-.SH DESCRIPTION
-.PP
-.B xchess
-is a chess display program which allows players to play a game on either
-one or two displays, or play a chess-playing program. It uses the
-.B X
-window system. If one or no display names are given, it will open up one
-window and both black and white at the same board. If two displays are
-given,
-.B xchess
-will accept moves from each player in his turn. Black's board will be drawn
-with his pieces at the bottom.
-.PP
-.B xchess
-will not allow a player to make an illegal move. It accepts all legal moves,
-including castling and pawn capture \fIen passant\fR.
-.SH OPTIONS
-.TP 8
-.B -d
-Turn on debugging.
-.TP 8
-.B -f record-file
-Use \fBrecord-file\fR for saving the game when the \fBSave\fR button is
-selected, or if the \fB-s\fR flag is given. The default is "xchess.game".
-.TP 8
-.B -r saved-game
-Start with the position at the end of the saved game in the named file.
-This file may be the result of the \fBSave\fR command, and may be in
-either English or International format. When reading moves, one move
-it made per second.
-.TP 8
-.B -q
-Don't pause for a second every time a move is made when a game is being
-restored.
-.TP 8
-.B -v
-Whenever a piece is moved, outline the path with a "lightning bolt".
-This option and the \fB-n\fR option are useful if you don't want to miss
-an opponent's move when he makes it.
-.TP 8
-.B -i
-Use International format for recording moves (squares numbered 1-8, a-h)
-as opposed to English (e.g, \fIp/k4xp/q5\fR).
-.TP 8
-.B -t moves/timeunit
-Allows \fBtimeunit\fR seconds for every \fBmoves\fR moves. If either player
-exceeds this allowance both recieve a message saying informing them of
-this fact.
-.TP 8
-.B -c
-Play the computer.
-.B xchess
-will start up a chess-playing program (currently the only one it knows
-how to talk to is \fBGNU Chess\fR).
-.TP 8
-.B -p program
-The name of the program to use if the \fB-c\fR option is given. The
-default is "/usr/public/gnuchess". Note that \fBgnuchess\fR must be
-compiled with the \fIcompat\fR flag (in the file "main.c") set to 1.
-.TP 8
-.B -b
-If the \fB-c\fR flag was given, have the computer play white.
-.TP 8
-.B -bnw
-If the display has more than one display plane (i.e, is color), pretend
-it's black and white.
-.TP 8
-.B -s
-Save the moves in the record file as they are made. This is useful if
-you don't want your game to be lost when \fBxchess\fR core dumps.
-.TP 8
-.B -n
-Be noisy \- beep after every move is made.
-.TP 8
-.B -h host
-Run GNU Chess on the specified \fBhost\fR.
-.TP 8
-.B -R
-Randomly chose who plays white and who plays black, if two displays are
-given.
-.SH CONTROLS
-.PP
-The window is divided up into several sub-windows. The pieces are moved by
-pushing down any mouse button on top of the piece, moving to the destination
-square, and releasing it. Castling is done by moving the king to the
-right square. If you push down on a piece and then let the button
-up without moving it, you must move that piece. ("Touch it, move it.")
-.PP
-The progress of the game is listed in the "Game Record" window. Error
-messages and such things are printed in the "Message" window. Both these
-windows have scroll bars that you can use to move around.
-There are also windows for clocks and for a record of the pieces captured.
-.PP
-If you type any keys in the window, the text will go into the message
-window of both players. This provides a simple communication facility.
-.PP
-There are 9 buttons in the control window. They are as follows:
-.TP 8
-.B Draw
-Both players must push this button to agree on a draw (just one is ok
-if only one display is being used).
-.TP 8
-.B Resign
-The player whose turn it is to move resigns.
-.TP 8
-.B Reset
-Start over from the beginning.
-.TP 8
-.B Back
-Retract a move. If two displays are being used the other player will be
-asked to confirm this.
-.TP 8
-.B Fwd
-This will re-play the most recently retracted move. This button in conjunction
-with \fBBack\fR is useful for "scrolling around" in a saved game.
-.TP 8
-.B Save
-Save the game in the record file.
-.TP 8
-.B Flip
-Rotate the board so that Black will have his pieces at the bottom.
-.TP 8
-.B Switch
-Change the mapping of boards to players.
-.TP 8
-.B Pause
-This button has two functions. When a game is being restored, pieces will
-be moved once a second. Hitting \fBPause\fR will stop this process, and
-hitting it again will restart it. During the time that it is stopped no
-other action can be made except restarting it. While a game is being played,
-\fBPause\fR will stop the clock and restart it.
-.SH DEFAULTS
-.PP
-\fBxchess\fR uses the following \fI.Xdefaults\fR:
-.TP 8
-.B Noisy
-The -n flag.
-.TP 8
-.B SaveMoves
-The -s flag.
-.TP 8
-.B Algebraic
-The -i flag.
-.TP 8
-.B BlackAndWhite
-The -bnw flag.
-.TP 8
-.B QuickRestore
-The -q flag.
-.TP 8
-.B Flash
-The -v flag.
-.TP 8
-.B NumFlashes
-How many times to flash the move. The default is 5.
-.TP 8
-.B FlashWidth
-How big to make the lightning bolt. The default is 10 pixels.
-.TP 8
-.B ProgName
-The -p option. This may also be changed in the Makefile (-DDEF_PROG_NAME).
-.TP 8
-.B ProgHost
-The -h option.
-.TP 8
-.B RecordFile
-The -f option.
-.TP 8
-.B BlackPiece
-The color of the black pieces.
-.TP 8
-.B WhitePiece
-The color of the white pieces.
-.TP 8
-.B BorderColor
-The color of the borders.
-.TP 8
-.B BlackSquare
-The color of the black squares.
-.TP 8
-.B WhiteSquare
-The color of the white squares.
-.TP 8
-.B TextColor
-The color of routine messages and the move record text.
-.TP 8
-.B ErrorText
-The color of error messages.
-.TP 8
-.B PlayerText
-The color of player-entered text.
-.TP 8
-.B TextBack
-The background color for the two text windows.
-.TP 8
-.B CursorColor
-The color of the mouse and the text cursors.
-.SH "SEE ALSO"
-X(8), gnuchess(1), chess(5)
-.SH AUTHOR
-Wayne A. Christopher (faustus@ic.berkeley.edu)
-.SH BUGS
-.PP
-Checkmate and stalemate are not detected, so the appropriate player must resign
-or agree to a draw respectively.
-.PP
-\fBSwitch\fR doesn't work.
-.PP
-If you are playing \fBgnuchess\fR, and you select Undo a few times so that it
-is \fBgnuchess\fR's turn to move, it won't do anything.
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