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Subject: Re: Diep as a strong sparring opponent (longish)?

Author: Gian-Carlo Pascutto

Date: 07:51:59 10/14/03

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On October 14, 2003 at 09:41:16, Robert Hyatt wrote:

>On October 14, 2003 at 07:43:05, Gian-Carlo Pascutto wrote:
>
>>This problem only exists if you are not able to analyze the weaknesses
>>that your engine has well.
>>
>>Conversely, an engine that is stronger at long time controls today will
>>be stronger in rapid next year and stronger in blitz in 2 years.
>>
>>Whereas an engine that is a good blitzer will just get weaker.
>>
>>--
>>GCP
>
>
>This is simply not true.  One example.  Try a null-move R=2 program at
>_very_ fast time controls against a program like the king or Hiarcs that
>doesn't seem to use that.  At very shallow depths, R=2 causes lots of
>spectacular search failures by hiding simple tactics.  At deeper depths
>this effect is reduced.  There are plenty of examples of heuristics that
>work well at shallow depths but fail at deeper depths.  There are also
>plenty of examples of heuristics that fail at shallow depths but which
>work well at deep depths.
>
>Parallel search efficiency comes to mind.  How efficient are you are 3 plies?
>13 plies?
>
>The idea is well-known.

Uh, where exactly are you disagreeing with me?

--
GCP



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