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Subject: Re: Fritz7 knowledge

Author: Uri Blass

Date: 15:36:45 11/19/01

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On November 19, 2001 at 17:49:48, Vincent Diepeveen wrote:

>On November 19, 2001 at 14:43:38, Ernst Walet wrote:
>
>>This is a nice king safety position from the Rebel site showing (likely) Fritz7
>>indeed has more king safety knowledge.
>>Futhermore Fritz7 (noMMX) seems to be the latest development of fritz6, as
>>surgested by many indeed.
>
>well let's delay opinion upon default fritz7 for some time, but fritz7nommx
>looks like a positional dumber version. its minimum improvement is 0.03
>of a pawn. So pawn=32 or frans searches with [alfa+3,max(alfa+4,beta)]
>Anyway something that makes it positional more silly.

Ir is not clear that doing it make the program weaker positionally.

0.03 pawn is not much and it is possible that by searching 1 ply deeper you can
find difference of 0.04 pawn for a better positional move when without searching
1 ply deeper you are not going to find the better positional move.

>
>It doesn't look like a preprocessor to me. That's what Frans says about
>all fritz versions after fritz6a, so that'll be the reason that it had
>to be positional dumber to search that deep.

It is not clear because searching deeper may make the program positionally
smarter for the reason that I explained in this post.

Uri



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