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Subject: Re: Rebel Century 3.0 question

Author: Ed Schröder

Date: 23:28:25 12/31/00

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On January 01, 2001 at 00:19:13, James T. Walker wrote:

>On January 01, 2001 at 00:07:36, Ed Schröder wrote:
>
>>On December 31, 2000 at 17:33:02, Peter Kasinski wrote:
>>
>>>On December 31, 2000 at 13:31:11, Ed Schröder wrote:
>>>
>>>>On December 31, 2000 at 12:34:26, James T. Walker wrote:
>>>>
>>>>>On December 31, 2000 at 10:42:34, Peter Kasinski wrote:
>>>>>
>>>>>>Does the option "use ECO knowledge" affect the program in tournament mode?
>>>>>>
>>>>>>thanks!
>>>>>>PK
>>>>>
>>>>>Hello Peter,
>>>>>I'm not sure what you mean by "tournament mode".  If you mean on tournament
>>>>>Levels like 40/1 hour etc then I'm sure it does affect the program.  I believe
>>>>>it affects the program on all levels of play.  How much depends on selecting
>>>>>"Moderate/Strong/Book" as you know.
>>>>>Jim
>>>>
>>>>Yes, it affects all levels.
>>>>
>>>>The manual:
>>>>
>>>>4.3.10. Use EOC knowledge (menu Option )
>>>>
>>>>Activating this option will enable REBEL to make use of the special EOC
>>>>database that you have loaded during calculating.
>>>>
>>>>The EOC (encyclopedia of chess) database is a re-compilation of REBEL's
>>>>standard database of 800,000 high qualified chess games stored in a new
>>>>super fast format. This enables REBEL to consult the database and based
>>>>on what is found to adjust its play. REBEL can use the EOC data in two
>>>>ways:
>>>>
>>>>- Use as book: REBEL will search in the EOC database for the current
>>>>  position. If the EOC database contains this position REBEL will answer
>>>>  immediately with a next move found in the EOC database. We do not
>>>>  recommend this setting for optimal play but more as an option to
>>>>  study opening theory. The EOC database contains 20 million moves
>>>>  and its size is 20 times bigger than the standard opening book.
>>>>
>>>>- Strong or active use: REBEL will search in the EOC database for the
>>>>  current position. If the EOC database contains this position, REBEL will
>>>>  look at the next move(s) in the EOC database and use in its calculations
>>>>  the result of these games by adding or subtracting some points to that
>>>>  move.
>>>>
>>>>  In this way REBEL will follow the human theory as represented in the
>>>>  EOC database of 20 million moves. The advantage above the EOC=BOOK
>>>>  setting is that the REBEL chess engine still is in charge and that
>>>>  major mistakes made by human players in the 800,000 game database
>>>>  are filtered by REBEL.
>>>>
>>>>
>>>>Rebel Century 3 will play with the STRONG option against GM v/d Wiel
>>>>next tuesday January 2.
>>>>
>>>>Ed
>>>
>>>
>>>I just noticed that choosing "Strongest settings" resets the EOC knowledge to
>>>NONE. Why?
>>>
>>>thanks,
>>>PK
>>
>>Here is the why...
>>
>>Option "Strongest Settings" resets the engine to its default settings. It
>>is true that "Use EOC knowledge" set to STRONG is better (stronger). On the
>>other hand it would require the full 220 Mb EOC data installed on your
>>hard disk. For that reason the default setting of "Use EOC knowledge" is
>>set to NONE.
>>
>>Ed
>
>I have over 4 Gigs of tablebases on my 20 gig HD so another 220 Meg is nothing.
>Jim

I understand Jim. I can change it but then I must have your promise first
you are going to answer all the email complaints :-)

Happy New Year!

Ed




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