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Subject: Re: CM8k (& Rebel) Personality (Selectivity) Question

Author: Tina Long

Date: 19:40:34 04/07/01

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On April 07, 2001 at 20:51:38, Brian Kostick wrote:

Thanks guys, it's all worth thinking about.

>
>  Now I'm no computer chess coder and I think I learned something. Selective
>Search setting sets the spread between base and deep lines. i.e. in the numbers
>given above: SS6 = 6/12 (diff. 6); SS12 = 1/13 (diff. 12);, SS9 = 4/13 (diff.
>9), ect...     Maybe that was completely obvious to some...  $0.02 worth, and it
>might not be worth that. Regards, BK

The following Statements are REASONABLY correct:

CM8k:   Depth  6/12   6ply brute force, 12ply "selective" (SS set at 6).

Fritz Hiarcs etc: Depth 12/19  12ply "selective", 19ply deepest "very selective"
                  ply reached.

Junior: Depth 18  Roughly 9ply "selective" probably about 36ply deepest ply
        reached.

I'll keep plying around,
See Ya
Tina Long




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