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Subject: Re: an example how users - not programmers - use tests

Author: David Dahlem

Date: 13:03:33 06/20/04

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On June 20, 2004 at 15:56:00, Steve Glanzfeld wrote:

>On June 20, 2004 at 15:34:39, David Dahlem wrote:
>
>>The best way, and only way, in my opinion, to test engine strength is in actual
>>game play. The engine that plays "better" moves than the opponent, not
>>necessarily the "best" move, will determine engine strength more accurately than
>>all test suites ever created.
>
>But not everbody is intereted in the gameplay strength (only).
>
>Some chessplayers might be interested to find the best engines for analysis
>rather than for computer vs. computer games. I think, my example above was not
>uncommon. - And: In analysis, it is desirable that the engines finds decisive
>moves, if existing, as often and as quickly as possible, not just good playable
>moves. In analysis, engines have to go for absolute chess truth, not just for
>moves sufficient to win "somehow"...
>
>What is the best way to test ANALYSIS QUALITY in your opinion?
>
>(Simply taking the best gameplay engines, can't be the answer obviously, because
>the cleverest people have repeatedly explained that results from test positions'
>analysis have nothing to do with the real gameplay strength of an engine. So
>that can't be the reversed case either :)))
>
>Steve

In an earlier post, you said "Most often it is sufficient to count and compare
the number of solutions." That's not reliable!!

Regards
Dave



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