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Subject: Re: Question to the engine developers

Author: Matthias Gemuh

Date: 00:01:47 05/23/02

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On May 23, 2002 at 01:34:08, Les Fernandez wrote:

>I am interested to know an approximation as to how many ply current engines can
>"most" of the time find a mate sequence (assuming it exists).  ie if we know
>there is a mate in 1 then obviously the engines will find this instantly, with
>or without tablebases.  I suspect this is probably also true for mates in 3 or 4
>plies also.  What I am interested to know are most engines able to find mates in
>6,7 ...... + plies.  What do most of you think is a safe ply number (upper
>limit) for current engines to find the mate without the use of tablebases?



My HyLogic (150 kN/s on Athlon 1.4) finds some mates in 15 within 10 seconds.
Programs with good extensions should find mates in 20 ... 25 !!

Regards,
Matthias.



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