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Subject: Re: Look at it another way ...

Author: Sandro Necchi

Date: 22:22:23 02/22/05

Go up one level in this thread


On February 23, 2005 at 00:41:34, Uri Blass wrote:

>On February 22, 2005 at 18:44:42, Sandro Necchi wrote:
>
>>On February 22, 2005 at 16:58:55, Uri Blass wrote:
>>
>>>On February 22, 2005 at 15:53:49, Kurt Utzinger wrote:
>>>
>>>>On February 22, 2005 at 14:42:20, Sandro Necchi wrote:
>>>>
>>>>>On February 22, 2005 at 14:19:06, Kurt Utzinger wrote:
>>>>>
>>>>>>On February 22, 2005 at 13:45:48, Sandro Necchi wrote:
>>>>>>
>>>>>>>On February 22, 2005 at 13:31:28, Kurt Utzinger wrote:
>>>>>>>
>>>>>>>>On February 22, 2005 at 13:13:01, George Sobala wrote:
>>>>>>>>[...]
>>>>>>>>>So this result is due to bad opening performance in particular circumstances by
>>>>>>>>>Junior 9, and does not in any way reflect on Shredder 9 v Shredder 7.04 relative
>>>>>>>>>strengths.
>>>>>>>>
>>>>>>>>     I fully agree. Such games should be deleted and not count or
>>>>>>>>     even better: the book learning function should be disabled if
>>>>>>>>     we want to know something about playing strength instead of
>>>>>>>>     to good implementation of book learning. If one of these games
>>>>>>>>     should have occurred at WCCC, it is for sure that Amir Ban
>>>>>>>>     would at once change the book line and the game would never
>>>>>>>>     be played again. This example shows for me the nonsense of
>>>>>>>>     book learning and repeating the same book line again and again.
>>>>>>>>     Such computer matches can leave a complete wrong impression -:)
>>>>>>>>     Kurt
>>>>>>>
>>>>>>>Hi Kurt,
>>>>>>>
>>>>>>>I do not agree with you because what the people want is a test of the best
>>>>>>>setting one can get from an available program to find out how strong it is.
>>>>>>>The learning feature is very important as if you play against a program and this
>>>>>>>one loses and play it again and again you would get disappointed as people did
>>>>>>>when this extremely important (to me) feature is.
>>>>>>>We spent a lot of time, me and Stefan to discuss on the learning feature and to
>>>>>>>make it better especially to please the customers, but also to get better
>>>>>>>results.
>>>>>>>If one program does not have this function or not as good it should show up in
>>>>>>>the tests and not otherwise.
>>>>>>>I do not think that only because some programs do not use the time good we
>>>>>>>should use ponder off or off learning and so on...why not to switch everything
>>>>>>>off then...
>>>>>>>
>>>>>>>Also to people trying to know everything from a single match I tell them that in
>>>>>>>order to find out a realistic rating one needs to test the program against
>>>>>>>several different program and for many games...exactly what SSDF do as they have
>>>>>>>been doing this from several years and they know what they are doing..
>>>>>>>
>>>>>>>Sandro
>>>>>>
>>>>>>
>>>>>>      Hi Sandro
>>>>>>      Nothing against your statement. All is correct and your efforts
>>>>>>      in implementing an excellent learning function is appreciated.
>>>>>>      Personally I am looking at this question from a more practical
>>>>>>      point of view: if my opponent has played me out in the opening,
>>>>>>      I will no longer use the same line thus giving him never in my
>>>>>>      life the possibility to beat me with the bad opening line. And
>>>>>>      therefore I see no reason why we should allow computer programs
>>>>>>      to repeat the same games. This makes a match rather worthless
>>>>>>      in my opinion and obviously leads to "wrong" Elo's.
>>>>>>      Kurt
>>>>>Hi Kurt,
>>>>>
>>>>>we are saying the same thing in a different way.
>>>>>
>>>>>I mean that the learing feature is essential to avoid the program to repeat a
>>>>>game like a human do, so if the program is not doing it than it should be
>>>>>penalized rather than the opposite.
>>>>>
>>>>>THIS WEAKNESS IS PART OF THE ELO of a program and to hide it is not correct to
>>>>>evaluate a program strength like you would do removing those games.
>>>>>This weakness would come out in a tournament too if one finds the way to beat
>>>>>the program, so I understand you may not be interested in those games, but
>>>>>looking things from a Elo strength it MUST be included.
>>>>>
>>>>>The same is true for ponder on and openings books.
>>>>>
>>>>>Can you ask Kasparov not to think while the opponent is evaluating the move or
>>>>>not to use the openings books or home work while playing?
>>>>>The answer is no, so the same is true for a designed chess player program.
>>>>>
>>>>>This is why the SSDF do not remove those games and why me and very many people;
>>>>>most of them, believe the SSDF list is the most accurate one to know a program
>>>>>strength.
>>>>>
>>>>>Sandro
>>>>
>>>>
>>>>       Hi Sandro
>>>>       Again nothing much to add. But in the given match vs Junior9
>>>>       the learning feature of Shr704 did not avoid bad moves but
>>>>       repeated won games and Junior9 was unable to avoid many unnecessary
>>>>       losses. This is what I mean when saying such matches do not
>>>>       give evidence of playing strength of Junior9. Had the learning
>>>>       function of Junior9 worked properly the outcome would not have
>>>>       been the same ... and therefore it's wrong to rate such games
>>>>       in my opinion.
>>>>       Kurt
>>>
>>>I think that it is correctly right to rate the games for Junior9 unless it is
>>>proved that the learning problems are because of some bug in the autoplayer.
><snipped>
>>No, it is not a 232 problem. This would not happen on Fritz 8 or Deep Fritz 8.
>
>As far as I know learning should be automatic to the interface and
>I wonder if the ssdf test Junior9 always under Junior9 GUI

Yes, but the book must allowed it...check the difference and you will
understand...I mean it should switch to a different variation...if
available...of course...

>
>Is it possible that part of the testers use the old Fritz8 GUI to test Junior9?

?????????

>
>Uri

Sandro




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