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Subject: Re: The Next #1 SSDF no doubt Fritz6a

Author: blass uri

Date: 09:03:33 03/04/00

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On March 04, 2000 at 10:39:49, Thorsten Czub wrote:

<snipped>
>you don't understand my point. you want to measure tactical behaviour and mix it
>up with finding key-moves faster. these are 2 different topics.

The question is what is the definition of being better in tactics.

My definition is that a program that can see faster a big change in evaluation
is better in tactics and it is possible to prove that program A is better than B
in tactics by stesting them in the same positions from games and see how much
time they need to see the change.

I believe that usually good solvers are better in tactics by my definition but
I think that it is possible that a program is going to be better in finding key
moves and not be better in tactics.
For example if you reduce the value of the pieces  you can get a better solver
but you do not get a program that is better in tactics.

The point is that you can by a test suite of positions from games when the
target is to see a clear change in evaluation and not to find a key move to see
which program is better in tactics by my definition.

If a program inspite of being better in tactics by my definition is weaker in
games,  then I define the reason as a better positional understanding.

Maybe you define as tactics part of what I define as positional understanding

Uri



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