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Subject: Re: Search depths X/Y

Author: Uri Blass

Date: 04:44:56 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

based on my understanding In chessmaster all moves are searched to depth X(no
null move pruning or other pruning that may lead to different results)
All interesting moves are searched to depth Y or bigger.
Not interesting moves are moves that are pruned(for example by null move
pruning).

Uri





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