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Subject: Re: When to resign

Author: James Robertson

Date: 18:24:30 09/01/99

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On September 01, 1999 at 19:52:10, Heiko Mikala wrote:

>On September 01, 1999 at 12:41:41, Alan Grotier wrote:
>
>>
>>
>>At what negative evaluation figure is it reasonable to assume that a chess
>>program can nolonger defend the position and will lose the game?
>>
>
>My program at the moment (for playing on FICS) is set up to resign, if for 4
>moves in a row the score is <= -8.0
>
>The score -8.0 is adjustable via an .ini file though.
>
>This seems to work fine. It doesn't resign too early but also doesn't frustrate
>human players by forcing them to play out a game through a boring endgame up to
>the mate.
>
>Another thing I'm using is, that the program won't resign, if it sees, that it
>will be mated soon, assuming that the human sees the mate too and that humans
>feel especially good after having mated a computer.
>
>The only problem is, if the opponent is in time trouble... you will start to
>pray, that the opponent loses on time, before your engine resigns ;-)

That problem had me disappointed so much that I eventually made my program
resign only when >12 points down!

James


>
>
>Greetings,
>
>Heiko.



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