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Subject: Re: Deep-Blue vs Kasparov, 2.game,

Author: Ricardo Gibert

Date: 07:04:58 05/20/00

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On May 20, 2000 at 09:27:39, Robert Hyatt wrote:

>On May 20, 2000 at 07:11:31, Terje Vagle wrote:
>
>>1r6/5kp1/RqQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/5K2 b - -
>>
>>After 45. Ra6, Fritz suggests Qe3 for black and evaluates the position as 0,94.
>>It does not seem to find the famous draw-line for Kasparov.
>>10 hours analysis on PIII-600, and 28006383 KN evaluated
>>
>>Does any other program find the draw-line?
>>
>>
>>Regards
>>
>>
>>Terje
>
>The draw is somewhere around 60 plies deep, total.  I don't think anyone is
>going to find that.

60 plies? No way. More like half that. A lot of humans have no trouble
calculating the draw to the end. I found it myself without any assistance of any
kind. The only thing difficult about that draw is the psychological barrier.
This Kaspy failed to overcome as we all know.

As for computer programs, judging from the Chris Janeke post, commercial
programs have no trouble finding the draw with a 5 ply headstart. If it were
really 60 plies, I don't see how that would be possible.



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