Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Amusing game - Shredder 5 is +4.68 up against GT and goes on to lose!!

Author: Uri Blass

Date: 15:58:42 12/15/00

Go up one level in this thread


On December 15, 2000 at 18:52:25, Uri Blass wrote:

>On December 15, 2000 at 12:37:36, Laurence Chen wrote:
>
>>On December 14, 2000 at 20:31:56, James T. Walker wrote:
>>
>>>On December 14, 2000 at 13:18:47, Steve Maughan wrote:
>>>
>>>>I don't think I've ever seen such a wide margin diminish to defeat!
>>><snip>
>>>
>>>I have only had Shredder for 4 days but I saw this type of behavior a lot at
>>>blitz on an Athlon 900 Mhz.  Even at G/30 this seems to happen.  At G/60 on an
>>>Athlon 900 it has not showed up yet.  That's why I made the comment earlier
>>>"Shredder a mudder".  Refering to the fact that Shredder seems to like the
>>>slower time controls with faster hardware.  I suspect there are a lot of holes
>>>in it's eval that can only be covered up with deeper searches.  Just my opinion
>>>based on 4 days. :-)
>>>Jim
>>I had Shredder 5 for a 3 days, and I came with the same conclusion.  The
>>evaluations of Shredder changes as it digs deeper, which means that one way to
>>help Shredder is to use the fastest computer available, and slower time control.
>>Regards,
>>Laurence
>
>The evaluation of all programs is changed when they get deeper.
>There are holes in the evaluations of all chess programs.
>
>If you find that the evaluation of Shredder is changed more than other program
>then it still does not prove that there are bigger holes in Shredder's
>evaluation because it is possible to explain it by other reasons.
>
>Uri

I can add that the +4.68 was not a hole in Shredder's evaluation because
Shredder had a clearly better position when it evaluated itself as +4.68

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.