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Subject: Re: SSDF(Shredder 7 - Fritz 8)A1200, 1-0, now 15.5-10.5

Author: Harald Faber

Date: 05:39:18 04/25/03

Go up one level in this thread


On April 25, 2003 at 05:56:21, Uri Blass wrote:

>On April 25, 2003 at 05:33:24, Harald Faber wrote:
>
>>On April 25, 2003 at 04:19:36, Uri Blass wrote:
>>
>>>On April 25, 2003 at 04:04:26, Harald Faber wrote:
>>>
>>>>On April 24, 2003 at 04:01:14, Uri Blass wrote:
>>>>
>>>>>On April 23, 2003 at 16:53:03, Helmut Conrady wrote:
>>>>>
>>>>>>On April 23, 2003 at 07:25:15, Jorge Pichard wrote:
>>>>>>
>>>>>>>Who suggested that Fritz 8.0023 be tested instead of the stronger Fritz 8.008
>>>>>>>version?
>>>>>>
>>>>>>What results suggest that Fritz 8.008 is stronger? I haven ´t seen something
>>>>>>like that so far.
>>>>>>
>>>>>>Helmut
>>>>>
>>>>>http://www.talkchess.com/forums/1/message.html?294063
>>>>>
>>>>>8.008 scored better than 8.0023 against shredder with the same
>>>>>conditions(drawbook).
>>>>
>>>>
>>>>I don't like tests where all programs use the same opening book.
>>>
>>>What is bad in these tests?
>>
>>
>>The programs don't play lines from their own opening books which include
>>adjusted lines, opening lines the program "understands", plays well.
>>IMO the method with a unique opening book is useful to find out which program
>>plays which openings best. It might not lead to new insights.
>>See:
>>Prog A plays King's Indian vs. prog B. 10 different lines. Prog A wins by
>>8.0-2.0. So prog A is stronger, right? Especially when prog A plays some more
>>King's Indian lines vesus other progs who also fail to defend. Nonsense I say,
>>when the other progs never play King's Indian from their own book. So what you
>>learn is that progs B, C etc. don't play the King's Indian well with black. What
>>is nothing new, because the King's Indian is already disabled in their own
>>books.
>>Cool test.
>>
>>
>>>People who use programs for analysis may prefer these tests and not tests with
>>>the original book.
>>
>>
>>Those guys should prefer test positions.
>
>The problem with test positions is that they are not taken randomely from games
>and it is hard to know what program choose better moves when humans (even with
>the help of computers) do not know which move is better(otherwise correspondence
>chess could be drawn in every game when both sides use computers).
>
>Uri


Test positions can be classified, so no problem at all IMO.



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