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Subject: Re: A question about quiescence search

Author: Bo Persson

Date: 05:24:17 10/20/02

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On October 19, 2002 at 22:02:53, Nagendra Singh Tomar wrote:

>
>Not always..
>At least not for forced-capture cases. let me explain forced capture. Suppose at
>the end of the extensive search (qsearch root)
>we have our rook(trapped or pinned to a higher value piece so that it is
>immobile) and suppose the
>opponent's pawn is attacking it. The attacking pawn is also guarded by another
>pawn. The only way for us to avoid losing our rook is to capture the atatcking
>pawn by say our knight. This is a forced capture. now in the next move the
>opponents other pawn will take our knight so we lose our knight to the
>opponent's pawn. In this case the capture is leading to a worse score than the
>static score.

Also, what if the opponent moving his pawn, opens up a diagonal for your queen,
so she can mate his king. Now, losing your pawn turns into a brilliant
sacrifice!

How much analysis are you going to do in the "simplified" qsearch?


Bo Persson
bop2@telia.com



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