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Subject: Re: Crude peek at a bunch of strong Winboard engines

Author: Günther Simon

Date: 05:05:53 10/07/03

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On October 07, 2003 at 06:15:42, Peter Berger wrote:

>On October 06, 2003 at 12:24:32, Dann Corbit wrote:
>
>>On October 06, 2003 at 11:45:35, Robert Allgeuer wrote:
>>
>>>On October 06, 2003 at 10:39:27, Dann Corbit wrote:
>>>
>>>Interesting, are there any reasons why rebel12 is stronger than rebel12_cb in a
>>>statistically significant way?
>>> 2 Rebel12           : 2828   39  48   200    65.2 %   2719   25.5 %
>>> 6 Rebel12_Cb        : 2654   61  68    99    60.1 %   2583   19.2 %
>>
>>2828 - 48 = 2780
>>2654 + 61 = 2715
>>
>>So it seems that Rebel12 is stronger than the one called Rebel12_CB.
>>The Rebel12 games are with the prerelease version and played mostly under
>>Winboard.
>>The Rebel12_CB games are with the released version and played under Arena.
>>But I do not know why we should see a statisically significant difference.
>
>Ed Schroeder posted some time ago that Rebel got only 25% of CPU power playing
>under Arena when installed as a WB engine - this sounds like a good explanation
>for the strength difference.
>
>You could try to install it with WB2Uci or play with WinBoard or CP itself of
>course.
>
>Peter

Hi Peter,
I dont think that Dann had played those games under Arena,
at least it would make me wonder, as I know that he almost
ever would prefer Winboard to most other GUIs.
But well, its of course up to him to clarify this :)

Regards,
Günther



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