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Subject: Re: New SSDF list

Author: Robert Hyatt

Date: 19:19:38 11/27/99

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On November 27, 1999 at 20:39:23, Charles Unruh wrote:

>On November 27, 1999 at 17:33:13, Robert Hyatt wrote:
>
>>On November 27, 1999 at 12:18:07, Fernando Villegas wrote:
>>
>>>I do not understand your point, Bob. This is not a match between two computers,
>>>but many. How a program could do well just tuning against Tiger? Maybe that
>>>could mean to un-tune against any other of the concurrence. Maybe some opening
>>>preparations, but...
>>>Fernando
>>
>>
>>This is easy.  A year ago, due to some unusual new eval features I added, I
>>ended up with a version that had very little trouble with Fritz 5 at any time
>>control.  It won so many games that Lonnie accused me of using a Cray to play
>>against him.  If I sent _that_ version to the SSDF for testing, it would have
>>done very well against fritz, because fritz would be totally unprepared.  But
>>once they saw what was happening, some adjusting on their end (king safety and
>>passed pawns in particular) and this advantage would have eyvaporated.
>>
>>Almost always the _last released_ program goes to the top of the SSDF.  In this
>>case, it is an _unreleased_ version, which means _nobody_ had a chance to look
>>at the book, and the depth, at the evals, and find out what it is doing....
>>
>>Sort of an "element of surprise"...
>
>
>What about CM,  ut vecame #1 and i highly doubt that it was tuned against any
>prog.  Further it doesn't even have book learning, or a specially tuned book.
>It got to be #1 simply by playing the best chess overall.


I believe that _all_ commercial programs are tuned against their competition
to some extent. But that isn't the point here.  A "new" program will do well
until whatever was new is uncovered by analyzing games.  Then that "new"
feature doesn't affect the games as much, and things change...




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