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Subject: Re: Revisiting WCSAC #398

Author: Dave Gomboc

Date: 15:35:23 08/27/03

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On August 23, 2003 at 10:03:55, Dennis Breuker wrote:

>On August 22, 2003 at 11:38:07, Gian-Carlo Pascutto wrote:
>
>>On August 22, 2003 at 11:36:32, Omid David Tabibi wrote:
>>
>>>On August 22, 2003 at 11:09:23, Gian-Carlo Pascutto wrote:
>>>
>>>>On August 22, 2003 at 10:54:17, Steven Edwards wrote:
>>>>
>>>>>BUT, the above mentioned Paradise chess program pulls out the mate PV with a
>>>>>search tree containing only 109 nodes.  It solves many other tactical puzzles
>>>>>with similarly small search trees.
>>>>>
>>>>>Are there any programs out there today that emphasize knowledge per node rather
>>>>>than nodes per second?
>>>>
>>>>With PN2 search,
>>>
>>>PN2?!
>>
>>'proof number squared' search
>>
>>Look for Victor Allis's thesis.
>
>And mine (Chapter 4).
>http://www.breuker.demon.nl/thesis/index.html
>
>Dennis

Maybe I'm just remembering badly, but isn't there a pn^n search by now?  That
exponent just keeps increasing. ;-)

Dave



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