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Subject: Re: Search depths X/Y

Author: Anthony Cozzie

Date: 04:49:21 07/22/04

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On July 22, 2004 at 04:49:12, Daniel Clausen wrote:

>On July 21, 2004 at 23:52:10, John Merlino wrote:
>
>[snip]
>
>>Different engines report different things. Chessmaster does this also, and for
>>The King, X/Y is defined as:
>>
>>X -- Brute Force Search Depth
>>Y -- MINIMUM extension depth (Johan calls this the "nominal" search depth, i.e.
>>only the best candidate moves beyond X plies have been analyzed)
>
>I'm not quite sure I'm following here. So all moves are searched to depth X, no
>question about that. Then the program determines candidate moves and these
>candidate moves are searched to at least Y? And the non-candidate moves stay at
>X?
>
>I guess I misunderstand something, since it doesn't make a lot of sense to me.
>:)
>
>Sargon

From what little I understand about Chessmaster's search, X means that no
null-move pruning was done.

anthony



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