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Subject: Re: Further testing of Genius 6.5: +0 =4 -46 against Ruffian

Author: Uri Blass

Date: 22:28:30 10/26/02

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On October 27, 2002 at 01:53:11, Mike S. wrote:

>On October 25, 2002 at 09:16:57, Ulrich Tuerke wrote:
>
>>(...) Nevertheless, after thinking twice, I agree that this result looks a bit
>>peculiar.
>
>Maybe many games were lost on time? The configuration with Auto232 on 1 single
>computer is unusual.
>
>In my test, Genius 98 (~5/6/6.5 AFAIK) achieved a result of [305], very similar
>to i.e. Aristarch 4, CSTal 2.03 or even Yace 0.99.56 in these tactical
>positions. And the other abilities of Genius are certainly not worse than it's
>tactics.
>
>Ruffian 1.0.1 is [373], between Nimzo 8 and Hiarcs 7.32 in that test.
>
>http://meineseite.i-one.at/PermanentBrain/quick/quickxls.zip
>
>But OTOH, maybe the positional part of the WM-Test(100) indicates that the
>extreme result isn't to unlikely: In the positional part of that test with 36
>pos., Ruffian solved 22 - and Genius 6.5 solved only 7!!

I do not think that we can use the WM-test suite to decide about playing
strength of the engines.

I also do not believe that there is a known good positional test for chess
programs.

Ruffian is not known to be a positional monster(the author of it says that the
secret of Ruffian is better pruning and extensions)
If ruffian can score significantly better than genius in a positional test then
soemthing is wrong in the test.

Uri



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