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Subject: Re: Did Smirin have an easy win in game 2?

Author: Uri Blass

Date: 03:05:19 04/16/02

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On April 16, 2002 at 05:52:55, Michael Vox wrote:

>On April 15, 2002 at 18:44:10, Amir Ban wrote:
>
>
>Hello Amir,
>
>I left Fritz 7b over night for eight hours on a 1.2 ghz with 256mg hash.  This
>is the analysis -1.06.  Fritz does not find a winning line only an edge for
>Black.  I was hoping my Nalimov tb's would eventually help Fritz pickup the
>winning line but it did not occur
>
>
>[D}8/8/2kP1n2/4pppp/6P1/B2K1P1P/8/8 b - - 0 1
>
>Analysis by Fritz 7:
>
>38...hxg4--
>ยต  (-1.06)    Depth: 25/54   02:23:16  5204420kN, tb=467316
>(X, X 16.04.2002)


Fritz is a null mover and I doubt if it can find things here.
I do not know if it disable null move here but I know from experience that there
are positions that at least an older version(Deep Fritz) can never find the
right move.

I think that it may be better to use yace because
I believe that this program does no unsound pruning and verify no zunzwang based
n search to reduced depth so in theory it can find every tactics if you search
deep enough.


Uri



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