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Subject: Re: Chessmaster 9000 and SSDF summary

Author: John Merlino

Date: 18:13:18 05/16/04

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On May 16, 2004 at 01:48:46, Johan de Koning wrote:

>On May 15, 2004 at 17:37:48, John Merlino wrote:
>
>>On May 15, 2004 at 16:48:10, James T. Walker wrote:
>>
>>>On May 15, 2004 at 12:22:16, John Merlino wrote:
>>>
>>>>On May 15, 2004 at 10:30:51, James T. Walker wrote:
>>>>
>>>>>On May 14, 2004 at 21:11:54, Dann Corbit wrote:
>
>[SSDF stats]
>
>>>>>>Therefore, 200 - 87 = 113 was the last increase for ChessMaster (approximately)
>>>>>>Hence, 100-150 Elo would be par for the course.
>>>>>
>>>>>Thanks for the stats Dann.  Do you know if CM9K was tested using original
>>>>>default settings or what?
>>>>>Jim
>>>>
>>>>The SSDF tested the program with original settings EXCEPT a larger hash table
>>>>and increased selective search value (to 9, I believe). Other than that, it was
>>>>the default.
>>>>
>>>>jm
>>>
>>>I seem to rember they used the "SKR" settings.  Also not sure if they ran CM9K
>>>in the Chessbase GUI with a book not ChessMasters.  I would be interested in the
>>>facts.  My memory is very poor these days.
>>>Jim
>>
>>I know that they started to use the SKR settings, and lots of people complained
>>that The King was getting special treatment, using "optimized" settings rather
>>than "out of the box" settings. The SSDF then stopped testing the SKR settings
>>and went back to the "slightly modified default".
>
>The engine had been tested with SKR settings, under CB and GENERAL.CTG.
>
>Then people complained about using learning and book that are not part
>of Chessmaster. I'll skip the nasty bits here, let's just say it was
>the time of year that a lot of people did not make many friends. :-)
>
>Then SSDF discarded the games and started testing CM out of the box.
>At that point I lost contact. I did check several games though, and
>the timing seemed to match the moves. That is assuming all default
>(which SS=9 was), except for a larger TT size.
>
>... Johan

Ok, that sounds right. And I'm sure you would know best how it happened. I
forgot that we increased the default SS value to 9 with CM9000.

jm



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