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Subject: Re: Search depths X/Y

Author: John Merlino

Date: 20:52:10 07/21/04

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On July 21, 2004 at 23:45:20, Scott Gasch wrote:

>I've seen a lot of engines report depths like 10/22 or something.  Specifically,
>Zappa and Ruffian both seem to do it.  What does the second number mean?  The
>deepest line with extensions in ply?
>
>Scott

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)

jm



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