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Subject: Re: positional/tactical rating

Author: Günther Simon

Date: 13:17:54 05/20/04

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On May 20, 2004 at 15:22:07, Andrei P wrote:

>On May 20, 2004 at 14:34:36, Matthias Gemuh wrote:
>
>>On May 20, 2004 at 13:12:50, Andrei P wrote:
>>
>>>how to get positional and tactical rating (preferably in elo points) for a given
>>>engine? is there a table with this kind of data for a large number of engines?
>>
>>
>>
>>
>>In a game without major blunders, a tactical shot is the result of a positional
>>preparation. How then do you want to judge "positional vs.tactical" from end
>>results ? Note that good positional play without some tactical exploitation
>>will at most draw games.
>>
>>/Matthias.
>
>ok, it is impossible to rate the engine based on the whole game. what about test
>suites? if one takes a positional test suite and calibrates it by checking
>againt human performance, then we have a way to assign "positional rating" to
>the engines. of course, the "positional rating" we get is somewhat arbitrary but
>should be a good measure of engine positional strength. the same approach can
>provide a "tactical rating"

There is a fundamental problem in this. You will find dozens of tactical
test suites and no real positional test suites at least for programs.
The reason is that tactical problems can be deep but calculable.
Positional play demands a kind of 'plan' for a much deeper amount of
moves to reach a certain goal and it's not only about finding a few
(right) moves without the right idea.
I guess we need some really well played and commented games and let
the program find a lot of positional good moves in each of those.
Difficult anyway...

Günther



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