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Subject: Re: Why do engines blunder here, playing 37.h5?? [A simple answer]

Author: Kurt Utzinger

Date: 03:15:09 11/23/02

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On November 23, 2002 at 01:01:32, Mike S. wrote:

>From a game Shredder 5.32 - Ruffian 1.0.1, 40/1h P3/700:
>
>[D]5k2/pp2r2p/2p2qp1/2Pn1p2/PPN1p2P/3rP3/5PP1/1QR1R1K1 w - - 0 1
>
>Why do many engines waste the h-pawn here, with no obvious reason? Weakening f5
>has no perspective; as it turns out Nc4-d6 can't harm Black. The open g-file is
>much to Black's favour.
>
>Usually I don't see this type of blunder from top engines. Is there something
>"computer-specific" which causes 37.h5?? here? The normal move is 37.g3, which
>certainly isn't worse than opening an attack file against the own king (?!).
>
>Thanks,
>M.Scheidl

Hello Mike
I think the question is quite simple. Chess programs evaluate 37.g3 worse than
other moves in view of 37...f4 when White's king position becomes rather weak.
Kurt



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