Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: perpetual check

Author: Uri Blass

Date: 07:24:57 04/09/03

Go up one level in this thread


On April 09, 2003 at 09:18:37, Pat King wrote:

>On April 08, 2003 at 19:30:24, Robin Smith wrote:
>
>>The following position is a rather trivial (for a human) perpetual check.  Why
>>does it take some programs so long to see it?
>
>Most programs use some kind of "contempt" score for draws, so in a materially
>balanced position, they will reject draw scores, so as to provide active play.
>In a position like this, they will keep playing to win, having no means to
>"realize" the truth. Since this logic doesn't cause losses, there is no reason
>for programmers to spend time making programs smarter in this respect.
>
>>Robin
>
>Pat

No

Most program use no contempt in analyze mode and the poster did not talk about
scores of +0.15 that are normal contempt factor but about scores of winning for
white.

Uri



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.