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Subject: Re: Rybka chess rating

Author: Vasik Rajlich

Date: 02:12:11 12/21/05

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On December 20, 2005 at 13:24:56, Kurt Utzinger wrote:

>On December 20, 2005 at 04:19:42, Vasik Rajlich wrote:
>
>>On December 20, 2005 at 00:53:05, Kurt Utzinger wrote:
>>
>>>On December 19, 2005 at 17:43:36, Stuart Cracraft wrote:
>>>
>>>>Has anyone taken Ryba on a Pentium 4 or some other well-known-cpu
>>>>and run it through any of the computer chess rating test suites?
>>>>
>>>>Stuart
>>>
>>>
>>>      Hi Stuart
>>>      Rybka does not like test suites with the analysis mode.
>>>      Its strength lies in playing games I can assure you.
>>>      Rybka is at the moment the strongest available chess
>>>      engine in engine/engine-matches but does not very well
>>>      in test suites, just funny.
>>>      Best regards
>>>      Kurt
>>
>>I'm going to add a special "testsuite" mode to the 1.2 release as a user option,
>>it's not hard to do. That mode should be competitive with all other engines in
>>testsuite-type tactics.
>>
>>Vas
>
>      Can I take from this comments that there is actually
>      a difference in how Rybka is working depending on
>      whether we play games or use the analysis mode?
>      BTW: we are still testing Rybka 1.0 Beta 32-bit
>      and have excellent results with your fine engine
>      http://www.utzingerk.com/rybka10beta_test.htm
>      and no doubt will also buy the next version of
>      your program.
>      Best regards
>      Kurt

Kurt,

analysis and playing mode are the same (and will remain the same). I will add an
engine option which the user can select which will cause the engine to perform
better on testsuites (and worse in games).

Vas



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