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Subject: Re: interesting evaluation problem

Author: Omid David Tabibi

Date: 07:23:49 12/14/03

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On December 14, 2003 at 10:07:15, Jon Dart wrote:

>A recent game between Arasan and The Baron on ICC led to this position:
>
>[D] 1k3nr1/p2r1p2/1p1PpQ2/2q5/P2R1PP1/5KB1/3R4/8 w - - 0 1
>
>Here, Arasan actually thinks Black is ahead, by over a pawn. The reason
>is that it gives a high king safety penalty to White, since White's
>king is on the third rank, and since the rook on g8 atacks a pawn
>near the king. But in truth, Black does not have an attack.
>
>Black does not get a high king safety penalty because his king is
>behind the pawns on the 1st rank, and because no White pieces are
>near enough to trigger a "proximity" score.
>
>Also Arasan does not give White a high score for the pawn on d6, because
>it is blocked by the Black rook. But the pawn is dangerous.
>
>Crafty gives about a 1/2 pawn advantage to White here, which seems much
>more reasonable (Black lost this game). There is no quick win here, but
>Black is in trouble.
>

Falcon gives a static evaluation of about 0.60 at this position, which rises to
0.80 after a few seconds of search.

>--Jon



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