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Subject: Re: Qsearch and checking moves?

Author: Vincent Diepeveen

Date: 09:26:22 03/25/01

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On March 25, 2001 at 06:22:20, Ulrich Tuerke wrote:

>On March 25, 2001 at 03:51:02, Pham Minh Tri wrote:
>
>>Hi,
>>I am wondering why we do not search checking moves (moves check opponent king
>>but do not capture) in qsearch function. I think they are not “quiescence” and
>>should be searched as capture moves. Does anyone try them?
>
>Of course, there are many program trying this. At least I'd bet so. It's a
>rather old idea, which had been already used by some pioneers of computer chess.
>But one has to be very carefully because it tends to explode the trees. I guess
>that one should generate captures only in interesting position (e.g. not too far
>from the full search horizon).
>
>Uli

Exactly!

>>Thank very much for any explanation.
>>Pham



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