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Subject: Re: How long does it take your program to find Nf6! in this position?

Author: Ernst Walet

Date: 14:51:53 10/27/01

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On October 24, 2001 at 11:08:45, John Merlino wrote:

>On October 24, 2001 at 10:04:01, Vincent Diepeveen wrote:
>
>>On October 24, 2001 at 04:44:18, Uri Blass wrote:
>>
>>>On October 23, 2001 at 22:22:38, John Merlino wrote:
>>
>>[snip]
>>
>>>I believe that the default personality is usually not good for test positions
>>>(espacially when there is a forced mate) and it is better to use bigger
>>>selectivity.
>>>
>>>My experience showed that at least for chessmaster6000 ss=10 is better than ss=6
>>>for finding mates.
>>>
>>>Uri
>>
>>ss=10 means 10 plies of forward pruning. That's complete suicide
>>in computer-computer games.
>
>This is pretty much what Johan has been saying all along. He has been open to
>the POSSIBILITY that REALLY fast hardware might overcome a higher SS value,
>given a long enough time control. But this is why the default for CM has been 6
>for so many years -- it is THE BEST value for all possible time controls on all
>possible hardware combinations, according to Johan's testing.
>
>jm


In the Dutch Championship Johan plays with a setting ss=9

Ernst.



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