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Subject: Re: Test - The Hidden Secret of the Chain

Author: Enrique Irazoqui

Date: 07:41:43 02/27/01

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On February 27, 2001 at 10:14:04, Sune Larsson wrote:

>
>  [D]r7/7k/5R2/p3p3/Pp1pPp2/1PpP1Pp1/K1P3P1/8 w - - 0 1
>
>
>  White to move and make it for the draw. Normal play like 1.Rf5? Kg6!
>  2.Rxe5 Rh8! followed by Rh2 gives the full point to black. 1.Re6? makes
>  no difference after 1.-Rh8! But the pawnchain carries some hidden secrets...
>  To be honest, this is more a test of one's own limitations of the mind.
>  I think it's too difficult for any chessprogram (but who knows?. Then
>  again, it's possible to test the programs when 1/3,1/2 or 2/3 of the
>  solution is performed. A human can solve it by trial and error. If
>  normal play doesn't work, one is forced to think in new patterns...
>
>  Sune

Funny that you post this position. I found it yesterday and started checking it
with programs. Kb1-c1...f1 and draw, giving up the rook.

Enrique



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