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Subject: Re: Yace vs Aristarch (update)

Author: pavel

Date: 19:34:06 04/30/05

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On April 30, 2005 at 05:45:38, Günther Simon wrote:

>On April 29, 2005 at 21:52:51, pavel wrote:
>
>>On April 29, 2005 at 14:39:25, Dieter Buerssner wrote:
>>
>>>On April 28, 2005 at 22:07:52, pavel wrote:
>>>
>>>>Games per opening:
>>>>http://www.pavs.org/ECO6.txt
>>>
>>>Pavel, did you try (at the yace prompt):
>>>
>>>cadiz_pgn yace_vs_aristarch.pgn opening_statistics.txt s
>>>
>>>Might be interesting (the file opening_statistics.txt that will be created).
>>>
>>>Cheers,
>>>Dieter
>>
>>Dieter that's a really cool feature.
>>What other nice hidden features are out there in YACE? :)
>>
>>http://www.pavs.org/opening_statistics.txt
>>(6411 games)
>>
>>I didn't understand this:
>>BXX:   +350   =197   -357   ( 49.61% in    904 games)
>>
>>Yace played this opening 904 times, how did it loose more than half of the games
>>in this position? Isn't it suppose to "avoid" bad position leading to "loosing
>>postions", learned from previous games?
>>
>>Or am i missing something?
>
>
>IMHO you miss that Yace has only 50.26% totally against Aristarch with
>White, thus 49.61% is only marginally off.

I think I understand it now. Not sure though.

>I see much more suspicious stats for it (only selected chunks > 150 games):
>
>*Yace as White* (avg. 50.26%)
>AXX:   +289   =185   -363   ( 45.58% in    837 games)
>A1X:  +81    =59    -108   ( 44.56% in    248 games)
>
>*Yace as Black* (avg. 41.20%
>A01: +59    =130   -185   ( 33.16% in    374 games)
>B1X:  +36    =31    -101   ( 30.65% in    168 games)
>BXX:   +171   =126   -309   ( 38.61% in    606 games)
>
>I guess one has to look closer into the exact lines of those openings.
>
>BTW thanks for this interesting stuff Pavel :)

I am glad that you liked it. :)


>
>Guenther



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