CHEOPS \- Chess Opponent Simulator

cheops [\-\-help] [\-\-version]

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Cheops (CHEss OPponent Simulator) is a fully-functional chess program

capable of human-vs-human, human-vs-computer, and computer-vs-computer

play.

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Display a short help message and exit.

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Display version information and exit.

Once invoked, CHEOPS displays a title screen and prompts the user for

who controls each player. If a computer opponent is chosen, a list of

default static evaluation function weights is displayed. To accept

the default values, type \fBdone\fR; otherwise, enter the number of

the weight to change. The program will then prompt for the new value.

The program will allow the user to adjust the weights until \fBdone\fR

is entered.

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Following player setup, the board is displayed and the game begins.

The board is represented by a simple text diagram using the standard

one-character piece abbreviations; white pieces are represented by

small letters and black pieces by capitals. Each player makes his

move in turn; human players are prompted for their move, and computer

players move automatically. To make a move, enter the source and

destination coordinates in standard algebraic notation -- for example,

\fBg1f3\fR moves the knight at g1 to f3. For pawn promotions, the

promotion piece must be appended -- for instance, \fBe7e8n\fR promotes

to a knight. For castling, the user may either enter the source and

destination coordinates of the king, or he may simply type \fBo-o\fR

or \fBo-o-o\fR for kingside or queenside castling, respectively. The

players may continue entering moves in this manner until a checkmate

or draw state is reached. As in regular chess, a draw occurs upon

stalemate, triple observance of the same board configuration with the

same side to move, or observance of fifty moves without a capture or

pawn advance.

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In addition to legal moves, the following commands are also available

as responses for human players. At the end of a game, no further moves

are possible, and one of these commands must be entered.

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display command summary

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forfeit the match

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redisplay the board

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toggle display of board coordinates

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reverse board display (black on top to white on top, or vice versa)

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toggle display of computer ``thinking''

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display log of moves for the current game

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save the move log to a file

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start a new game (board in initial configuration with white to move)

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set players and computer stats, if applicable

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exit the program

Report bugs to <psychonaut@nothingisreal.com>.

gnuchess(6), chesstool(6), xboard(6)

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CHEOPS home page: http://www.nothingisreal.com/cheops/

Tristan Miller <psychonaut@nothingisreal.com>.

Copyright (C) 1999, 2000, 2003 Tristan Miller.

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Permission is granted to make and distribute verbatim or modified

copies of this manual provided the copyright notice and this

permission notice are preserved on all copies.