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Subject: Re: Chessmaster 6666 settings, selectivity

Author: Harald Faber

Date: 04:07:02 08/09/99

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On August 09, 1999 at 06:34:58, Shep wrote:

>>I admit I am surprised that the Bednorz settings are said to perform well in
>>spite of their passivity.
>
>Don't forget CM's default settings are also quite passive.
>It has scored like 15 draws in 20 games so far...
>
>I have also been fiddling with the Selective Search setting quite a bit.
>Problem is that for every depth there are positions where it fails miserably.
>"Lower" settings (i.e. 5-10) seem to be better in most endgames while higher
>settings (like 32) have their merits only in selected endgames.
>For most middle game positions, I can see hardly any difference between SS10 and
>SS32.
>SS=8 produces the best average results on the LCT 2 suite, with 10 and 32 coming
>close. 5-7 are worse most of the time, but not significantly.
>Anything below 5 is bad to really bad.
>Only SS=0 is a really really bad setting, even on a superfast machine. I proved
>it. :)
>---
>Shep

SS=6 is a bit too low and fails sometimes. In many positions needs much more
time to find a good move than with SS=10. Maybe 8-10 is the optimum.



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