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Subject: Re: CSTAL2??

Author: Peter McKenzie

Date: 20:42:34 05/11/99

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On May 11, 1999 at 21:18:59, Dann Corbit wrote:

>On May 11, 1999 at 20:38:31, Peter McKenzie wrote:
>[snip]
>>I think the chances of being able to do this are approximately zero.
>>An even if you could, its not that hard to put zugzwang detection into a
>>nullmove implementation.  It slows it down a little, but not hugely.  The fact
>>that few programs bother with this (although some do) indicates that it just
>>isn't worth it.
>Why do you think the probability is so low?

I don't think there are many useful zugzwang positions in the first 15ply.  By
useful positions, I mean positions that could conceivably be reached in a game
and be used to your advantage.  In fact, I'm not aware of any - perhaps someone
could post some?

Peter



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