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Subject: Re: Strange endgame eval by Fritz 9

Author: Günther Simon

Date: 06:35:25 01/27/06

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On January 27, 2006 at 08:58:06, Rolf Tueschen wrote:

>This is a very good question. If it concerned Rybka Beta so and so everybody and
>Vasik would declare that this were still a bug. But of course all the other
>engines are actually NOT tested in public so that this looks like a stupidity.

That's nonsense, just do some forum search here. F9 was quite good tested
and is still tested. BTW there exist probably other fora too, which
don't 'suppress' F9 results ;-)

>In fact Fritz simply overlooked that Black can sac a piece for that the e-Pawn
>can run into a new Q. So 81.Kh6 was BS.

No, White was already lost before move 81. White was already in zugzwang before
and it is simply about good Knight vs. bad Bishop.

>That opens the possibility to sac on f5

No, the possibilty exists completely independent from 81.Kh6

>after the g4 has been taken. It's just a little bit of code that is lacking
>here. But Frans Morsch cant recruit "500 testers" just like that. The eval of
>Fritz is perfect and Draw should be the result.

The eval was of course not perfect and therefore the result was _not_ a draw...
Actually a perfect eval will very likely _never_ exist.

>Black cant take on e4 because
>then d6+. So, if you want - the decisive moment for the advantage of Rybka is
>something connected with free Pawns and sccing a piece for letting run the
>Pawns. For us humans a piece of cake.



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