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Subject: Re: Computers and the Berlin Wall

Author: Laurence Chen

Date: 09:25:42 10/30/00

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On October 30, 2000 at 12:15:55, Osorio Meirelles wrote:

>On October 30, 2000 at 09:12:34, Uri Blass wrote:
>
>>On October 30, 2000 at 07:51:33, Osorio Meirelles wrote:
>>
>>>Eventhough I have no analyical proof to support my statement, I am coming to the
>>>conclusion than any top PC chess program could get a draw against any top
>>>grandmaster as black using the Belin Wall in the Ruy Lopez ( 1.e4 e5 2.Nf3 Nc6
>>>3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Nd6 6.BxN pd7XB 7.d4Xe5 Nf5 8.QXQ+ KXQ) I list below
>>>two possibilities ( the second is stronger than the first ).
>>>
>>>  1 ->  These programs are likely to get a draw if they treat a draw as a win in
>>>their evaluation.
>>>
>>>  2 ->  These programs are very likely to get a draw if their evaluation
>>>function ( material, position , pawn structure ),is adjusted specifically for
>>>this opening.
>>>
>>>This seems to me a perfect opening for computers to play agaisnt humans.  The
>>>only possibility that I can see for a top computer program to go wrong is in the
>>>endgame.
>>
>>This is not a perfect opening for computers because the target of chess is to
>>win and not to get a draw.
>>
>>Uri
>
>I guess I was not specific.  What I mean is that if a computer program is
>playing a match in which it is  winning and there are only a few games left over
>to play, then one possible target is to draw the remaining games, since that
>will translate into a win of the match, and I believe this opening would make a
>powerfull weapon for this purpose.  My main question is : does anyone believe
>there might be a chance that good programs can get excelent results
>with this opening against humans ? We can't forget that before this match, most
>chess authors would consider white with a solid position.  Does that mean that
>white has good winning chances ? I can“t recall any coment of the games between
>Kasparov  and Kramnik, in which the main analysis point out a variation with
>good oportunities for white.  I seems to me that no one really knows how white
>can achieve such a favorable position.  For those who disgree with me, I would
>be likely to hear from them,which variations for white they would recomend.
>Is Kasparov missing something, or is it the opening ?
I remember when I was studying the Ruy Lopez, the comment about the Berlin was a
passive variation for Black and that the best result which Black could ever get
was a draw, and that passive defense was required. This variation is not very
good if one has to play for a win as Black.  In the case of Krammik, he's happy
to suffer, suffer, suffer, draw as Black.
My 2 cents worth,

Laurence




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