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Subject: Re: Static Eval Test

Author: Peter Kappler

Date: 17:21:06 09/07/02

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On September 07, 2002 at 19:46:49, Peter McKenzie wrote:

>I've been having a break from computer chess post WCCC, but have now started
>going over some of Warp's games.  First up is Warp's worst game, the loss vs
>Brutus.  In this game, Warp showed a total lack of understanding of its
>centralised king in the early middlegame and lost without a fight.
>
>I present here the position after move 21 in the game.  White has grabbed a pawn
>thinking this position is OK, but in reality the white king is hopelessly stuck
>in the centre.  Also, white is passive, black is active and has a safe king,
>therefore white is totally winning here:
>
                            ^^^^^^^
You just have a simple sign problem in your eval.  ;)


>[D]r1r3k1/1p3ppp/b5q1/p7/4n3/P3PNB1/1P3PPP/1Q1RK2R b K - 0 1
>
>I am curious what the static evaluation of various programs is here.  The
>version of warp used in Maastricht gives 0.238 in favour of white.  Ideally the
>static evaluation should favour black here I think.
>

Grok gives White a tiny edge (+0.16).

I think the only way to score this position correctly is to recognize that White
needs to castle, but may never get a chance.

-Peter



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