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Subject: Re: Tactical speed and test suites

Author: Thorsten Czub

Date: 13:43:07 06/08/98

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On June 08, 1998 at 05:18:16, Jouni Uski wrote:

>If we compare programs A and B in tactical test suite (WAC) and A solves
>293 positions with average solution time 5 sec, but B solves 298 with
>average speed 60 sec - so which one is better tactically? I think
>it's quite a problem to define.

From my experiences in over 10 years, with DOING test-suites of all
kind, and chess games of all levels, I can say the above is nonsense.

I don't know how you define tactics. But obviously you misunderstand
that
finding key moves in an unbalanced position (like solving
cross-words-puzzles)and handling tactics in a chess-game (from a
balanced position INTO a non-balanced position) is NOT the same.

I know many programs who are brilliant in test-suites, and much weaker
in tactics in games.

Finder-programs (as I define it, e.g. Fritz5/The King) FIND tactical key
moves very early, but they are not master in each game that has tactics
as theme.
They are tuned to find a key move and a sac in a very fast time, but
they are not very good in handling them from a normal position.

I hope you do not believe that I write this to be
a) against you (again)
b) against Fritz
c) wanted to be right.

I write this because it is my honest opinion for years. And most of my
colleagues think the same.




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