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Subject: Re: tablebases Fritz problem

Author: blass uri

Date: 02:18:53 04/04/00

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On April 04, 2000 at 03:36:48, Bertil Eklund wrote:

>On April 04, 2000 at 02:37:26, blass uri wrote:
>
>>On April 04, 2000 at 02:17:14, Bertil Eklund wrote:
>>
>>
>>>>
>>>>You see the result: worthless.
>>>>
>>>>Suggestions:
>>>>1) only use all 3-man and 4-man TBs and leave the few 5-man from the
>>>>EG-Turbo-CDs out.
>>>>2) get/buy/generate the 5-man with queen(s) because of pawn promotion
>>>>3) get/buy/generate ALL 5-man so you get REAL and MAXIMUM performance.
>>>>
>>>>The EG-Turbo-CDs aren't worth a penny. "...contain the most important
>>>>endgames..." is marketing rubbish as you can see yourself with such games.
>>>
>>>Hi!
>>>
>>>Totally nonsense, I have followed houndreds of games with the Turbo-CDs and
>>>usually it works excellent. The CDs contain almost all important endings and if
>>>you want to earn say a ½ elo or support Seagate or IBM you can fill them with
>>>the other mostly obscure endgames.
>>>
>>>Bertil
>>
>>I think that the main reason that it work excellent is that the opponent usually
>>resigns before going to endgame like KRQ vs KR
>>
>>Uri
>
>Hi!
>
>I haven't checked the above game but I haven't seen a program that can not win
>with queen and rook against rook.
>
>Bertil

The problem is that Fritz does not go to this endgame because this endgame is
not in the tablebases and it prefers a to do a draw by avoiding this endgame.

Fritz does not know to stop using the tablebases when they tell it that the
distance to mate does not decrease and because of this reason it needs the
KRQ vs KR tablebases.

If you do not give it this tablebases then programs that never resign can get
better result and I do not like it.

I do not think that customers are interested more in a program only because they
never resign.

Uri



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