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Subject: Re: Shredder wins in Graz after controversy

Author: Ricardo Gibert

Date: 19:53:56 12/15/03

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On December 14, 2003 at 20:22:50, Omid David Tabibi wrote:

>On December 14, 2003 at 05:35:56, Amir Ban wrote:
>>>On December 14, 2003 at 04:10:02, Sandro Necchi wrote:
>>
[snip]

>
>A personal example:
>
>In the game ParSOS - Falcon, I resigned in the following position:
>
>[D]8/5k2/5n1P/1R6/6p1/4Kp2/8/8 w - - 0 86
>
>It is very hard for a human to see why white is winning. Just as the game
>finished I logged in to PlayChess server. The result was still not appearing
>there, and I saw many people discussing about whether white or black is better
>in that position :)

I would say you resigned about 7 ply too soon. You shouldn't be so trusting of
even lopsided evaluations:
1.Rg5 Kf8 2.Rf5
        Ruffians choice, but better is 2.Rg7 Nd5+ 3.Kf2
        Nf6 4.Kf1 winning easily
3...Ke7 3.Rh5
        Or 3...Nxh5 4.h7 f2 5.Kxf2 g3+ 6.Kf3 g2 7.Kf2 wins.
4...Kf7 4.h7 Nxh5 5.h8Q Kg6 6.Qe8+
        I got the impression that Ruffian doesn't seem
        to understand this position particularly well.
7...Kg5 7.Qe7+ Kf5 8.Qc5+ Kg6 9.Qe5 wins.

>
>For the sake of observers of course I should have continued playing. But after 5
>hours (of a boring game), I was too tired to continue just for the sake of the
>observers (especially since 6 moves earlier my program blundered a move, losing
>the drawn game...).
>
>

I'm sure it didn't cost you anything. I hope you got some good rest!

[snip]



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