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Subject: Re: Rebel-Anand: openings issue.

Author: Komputer Korner

Date: 09:52:25 08/15/98

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On August 12, 1998 at 23:00:58, Ed Schröder wrote:

>>Posted by Francesco Di Tolla on August 12, 1998 at 00:49:28:
>
>>This is the point!
>>May be I'm wrong, so I would apologize from now already for starting the
>>thread, but what do you get from the followin sentence from the commentary
>> (by Jeroen Noomen) on game 7 of the match Rebel-Anand after 1.d4 d5 2.c4 Nc6:
>
>>"I chose this opening because I wanted an unbalanced
>>game for Rebel, relying on the surprise value. Playing a Queen's Indian
>>or a Queen's gambit instead, was probably exactly Anand was hoping for.
>>He knows too much about this opening, so lets play unorthodox!"
>
>>and at move 3
>
>>"A small success: Anand avoids the main theoretical lines, starting with
>>3 cxd5, 3 Nc3 or 3 Nf3."
>
>>Am I misunderstanding it?
>
>Hi Franz,
>
>Yes you misunderstand, let me explain....
>
>In Man versus Machine games (like Rebel-Anand or the former Aegon
>tournament) it is *not* allowed that the operator may influence the
>game in any way.
>
>What Jeroen is talking about (and what is allowed) that you can load
>another "opening book" BEFORE the game starts. Of course it is
>not allowed to switch opening books during the game by the operator.
>
>An example, say you want to open with 1.e4 because you have lost
>the previous game with 1.d4 then simply load another opening book
>which has 1.e4 set to active and the rest of the moves on "non-active".
>
>In this way in his preparation for the match Jeroen had made 5 opening
>books for the Rebel white repertoire and 5 for the black repertoire.
>
>A good example was the Tschigorin defence in game-7 (1.d4 d5 2.c4 Nc6)
>
>In this opening book (loaded before Anand played 1.d4) the only reply to
>1.d4 for black is 1..d5 just hoping Anand would play 2.c4 and so he did.
>Then the only active move was 2..Nc6 and so we had the Tschigorin
>defence which we considered good for Rebel.
>
>So that's the way it goes in human versus computer events to escape
>from human preparations against Rebel. Since Rebel's opening book is
>generally available Rebel is an easy victim for opening preparation.
>
>To participate in human versus computer events you simply must have
>*another* opening repertoire if you want to have a good result.
>
>Hope this explains a little, feel free to ask if something is unclear yet.
>
>- Ed -
>
>>regards
>>Franz

There is another issue here that I never tire of pointing out. A computer
program prepares it's opening by having it's human opening coder desperately
trying to stay up on the latest theory. Jeroen does a great job on this in Ed's
opinion. We won't argue with this opinion. Okay so far. However a super GM like
Anand prepares openings by investigating far beyond the latest opening theory.
There is a BIG difference. I don't know how computers will ever be able to get
rid of this disadvantage.
--
Komputer Korner



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