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Subject: Re: Rebel-Anand: openings issue.

Author: blass uri

Date: 22:08:07 08/11/98

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On August 12, 1998 at 00:49:28, Francesco Di Tolla wrote:

>>So it really doesn't matter whether the operator selects opening moves at the
>>instant the game is played, or months before, as the human is still making the
>>choice.
>
>I don't agree: if you let the program do it, to play different against each
>player you have to put in the knoweledge (like a database of games) and code a
>selection algorithm. I think this would be interesting to see.
>
>>In most events, after the first move is played, the human can not participate
>>any further, ie it would be illegal for me to do anything to Crafty after white
>>plays his first move.  Prior to this, I could certainly enter commands that say
>>"if he plays e4, play e6, or if he plays c4 play Nf6", but after the game is
>>started, rules generally do not allow the human to take any active role in the
>>game.  I'd hope the Rebel vs Anand games were played in this way, otherwise it
>>certainly is at odds with how such matches have been played in the past.
>
>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!"

I thought he chose it before the begining of the game
It is only move 2 and it is not a big problem to decide before the game
what to do against anand in every theoretical line at moves 2.
you do not have a selection algorithm.
telling the program some lines of if then before the match is enough.

Uri
>
>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?
>
>regards
>Franz



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