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Subject: Re: comment about Shredder vs Fruit, WCCC

Author: Jorge Pichard

Date: 17:52:24 08/16/05

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On August 16, 2005 at 20:18:34, K. Burcham wrote:

>
>
>Shredder - Fruit, WCCC 13th Reykjavik 2005
>
> [D] 6k1/5p2/2b1p1pp/4P3/1q6/8/1P3QPP/5BK1 w - - 0 1
>
>After Fruit captures the pawn with 39…Qxb4, both sides are even on material
>In this position Fruit score is at -.55 for white.
>Shredder score is -.11
>Many games have been lost by either side with a similar score.
>I was following this game using different programs to see if one would have
>different score than other. Most were about the same during the game.
>Lots of speculation during game who had advantage and at what move black
>actually had a win.
>If a GM looks at this position at move 40 and says it is a win for black if no
>blunders, than the programs do not reflect this confidence.
>Evals, how they work and what they mean, and the fact that a program can have a
>winning position and is going to win, but the eval will not show this----is very
>fascinating to me.
>
>
>Fruit 2.1
>40.h3 Bd5 41.Bd3 Be4 42.Bf1 Bf5 43.g3 Be4 44.Kh2 g5 45.h4 Kf8 46.Bh3 Qc4 47.b4
>gxh4 48.gxh4 Ke8 49.Qd2 Bd5 50.Kg3 Qc7 51.Qe3 f5  (-0.65)   Depth: 23/56
>00:08:00  633108kN
>40.h3 Bd5 41.Bd3 Be4 42.Bf1 Bf5 43.g3 Be4 44.Kh2 h5 45.h4 Bd5 46.Qe2 Qb7 47.Kh3
>Qc6 48.Qd2 Qa4 49.b4 Qa1 50.Qf4 Qb2 51.b5 Kg7
>  ³  (-0.65)   Depth: 24/64   00:13:44  1075709kN
>40.h3 Bb7 41.Kh2 Qe4 42.Qc5 Qb1 43.Qf2 Bd5 44.Qe2 h5 45.h4 Kg7 46.Qf2 Kf8
>47.Qc5+ Kg8 48.Qf2 Bc6 49.g3 Kg7 50.Qe2 Bd5 51.Bg2 Qa2 52.Qc2 Qa6 53.Bxd5 exd5
>  ³  (-0.55)   Depth: 25/68   02:03:13  893074kN
>
>Shredder 9
>40.h3 Bd5 41.Bd3 Be4 42.Bf1 Bf5 43.g3 h5 44.Kh2 g5 45.Bg2 Kg7 46.Qf3 Qxb2
>47.Qxh5 Qc1 48.Qf3 Qa1 49.Qh5
>  =  (-0.11)   Depth: 27/58   00:52:32  2209876kN, tb=57613
>
>
>There is no capture of material until move 61…Qxe5.
>So Fruit could not gain material between move 40 and move 60.
>
>In this position Fruit captures another pawn with 61…Qxe5
>Fruit advances pawns and it is all over.
>
> [D] 5k2/5p2/1P2p3/4P1p1/4b2p/7P/B4QPK/q7 b - - 0 61
>
>kburcham


What program is leading at the moment, where is the crosstable?

Jorge



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