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Subject: Re: Test your passed-pawn evaluation function!

Author: Gerd Isenberg

Date: 11:08:19 01/13/04

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On January 13, 2004 at 05:18:15, Jaime Benito de Valle Ruiz wrote:

>In this position you can find several passed pawns for both sides (this is
>particularly hard for my engine), plus three connected passed pawns after the
>sacrifice 1. Rxe7, which is an obvious move to consider for human players.
>How much is worth 3 connected passed pawns in the 5th and 6th versus a rook
>here?
>
>[d]3k2r1/r3p2R/4P1b1/2PP1p2/p5p1/8/1B6/4R1K1 w - - 0 1
>
>Does your engine find this move?
>(Mine doesn't. My passed-pawn goes mad giving extreme values for both sides
>during eval, making the search oscillate from one move to another all the time)
>
>Jaime

Hi Jaime,

IsiChess has no clue and stays with 1.Be5 ;-(
But seems strong too, score is raising to +2.07 after some minutes.

Gerd



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