Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Shredder 5 - first impressions

Author: Bertil Eklund

Date: 11:07:26 12/19/00

Go up one level in this thread


On December 19, 2000 at 13:39:53, Christophe Theron wrote:

>On December 19, 2000 at 13:13:27, Mogens Larsen wrote:
>
>>On December 19, 2000 at 12:19:13, Christophe Theron wrote:
>>
>>>On December 19, 2000 at 06:52:08, Mogens Larsen wrote:
>>>>It's not an especially fast program, around 160Knps on my Athlon, but quite
>>>>selective or so it seems. That could be a problem at faster timecontrols.
>>>
>>>
>>>
>>>Why? Can you explain your reasonning?
>>>
>>>
>>>
>>>    Christophe
>>
>>No, I don't think I can, given that I'm not sufficiently knowledgable about the
>>program. Maybe the evaluation leaves it vulnerable to tactics at shorter time
>>controls, I don't know.
>>
>>Mogens.
>
>
>
>As far as I know, the speed (in term of NPS) of a program is not an indicator of
>its favorite time control. For example, Hiarcs is a very slow program, but it
>performs extremely well at very fast time controls. It is the opposite for
>CSTal.
>
>The level of selectivity is not a good indicator either. The King and Hiarcs are
>very selective (they have to, as they are also very slow in NPS), and as I
>pointed out, Hiarcs is very good at blitz. I don't know if the King shows any
>preference for a given time control.
>
>Tiger is a very selective program, and it does not favor a time control over
>another one.
>
>I would add that the presumed level of "knowledge" of a program does not
>indicate either the time control it will excel in. Once again, Hiarcs is
>supposed to have a lot of knowledge, and once again it performs the best at
>blitz. Which is not to say that it is bad a long time controls.
>
>And finally over the years I have noticed that some programs have a clear
>preference for fast time controls (Genius, Hiarcs...), but nobody has ever been
>able to show that a program had a preference for long (or very long) time
>controls. People say they have the impression that program X plays better at
>long time controls, but it is never proven by further testings.
>
>
>
>    Christophe

Hi!

Mchess, Kallisto, Gandalf and Nimzo performs better on longer time-controls.
Genius and Hiarcs the opposite.

For most other programs the difference is very small as you pointed out.

Bertil



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.