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Subject: Re: With tablebases play programs stronger!

Author: Eduard Nemeth

Date: 16:42:40 04/24/02

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On April 24, 2002 at 18:37:40, Dann Corbit wrote:

>On April 24, 2002 at 18:18:08, Eduard Nemeth wrote:
>
>>I played on the fritzserver a game comp.- comp. and in this position
>>I seen, that the Tablebases here shaw only draw-move for white with Bd7!
>>
>>I'm not sure that all Grandmasters this move woult plays?
>>
>>(german: Ich bin mir nicht sicher dass alle Grossmeister disesen Zug sehen
>>wuerden)
>>
>>[D]8/5k2/2B5/8/6pK/8/8/6r1 w - - 0 0
>>
>>TBs says: Bd7 is only dwaw move Kg5 is a mate in 37 moves :)
>
>Not convincing.  Play 1000 games of some program with tablebase files against
>the same program without.  The tablebase provides perfect accuracy, but slows
>down the search.  Les Fernandez did a long experiment and found that the result
>was a push -- neither stronger nor weaker.  Of course that was for the program
>crafty only, so your actual mileage may vary.
>
>On the other hand, tablebase files do make programs play much prettier chess.
>And they may help weak programs a lot (if they can make it that far).

I would like to only say:  Computers make here no more blunder, if it with the
Tablebases play.  Humans, also Grand-masters, would make blunder here.  In the
play computers against computers are the Tablebases not always the best, but in
the play against humans computers with TBs play better than without Tbs!!

Regards,
Eduard



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