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Subject: Re: Fruit 1.5 parameter test extended

Author: Günther Simon

Date: 11:58:10 08/27/04

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On August 27, 2004 at 14:48:26, Jan K. wrote:

>
>>I personnally am a bit surprised that enabling/disabling the extensions makes
>>pretty much no difference, and would be interested in views as to why this would
>>be the case.
>>
>
>In blitz I'm not surprised by this at all. I usually run 20+ games 5m+2s against
>Fruit 1.5 games every time I test new version of my engine and although I would
>expect to win 60% of games just because of missing Fruit's king safety
>evaluation, the result is usually very close to 50%. In blitz tournaments that I
>run from time to time with Crafty,Fritz8,Aristarch,Gothmog,Arasan,... Fruit
>usually ends very high, often second behind Fritz. To me it looks that the major
>strenght of Fruit is very well tuned search in combination with it's mobility
>evaluation. Pawn push extension is useless if there's no place to use it and can
>blow up the search if not used carefully, single reply may not be a big win in
>blitz as well. Fruit has clear plan-to outplay you positionally with well placed
>pieces, which _by the way_ creates pressure on your position and every  mistake
>loses the game easily. Thanks to this, there's low branching factor and while
>you evaluate some additional stuff and spend time with extensions, Fruit simply
>outsearchs you. Given no chance of tactics you lose positionally. That's just my
>opinion based on the games I've seen,nothing more. :)

Very good description from what I have seen so far!
But beware next version of Fruit will have king safety ;)

Best regards,
Günther

http://home.t-online.de/home/g.simon.rgbg/



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