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Subject: Re: Usage of general.ctg book+CB learner by ChessMaster in SSDF testing

Author: Mike S.

Date: 03:30:42 10/31/03

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On October 31, 2003 at 04:40:16, Luis Smith wrote:

>(...)

>Remind me once again of how its "unfair" for TheKing to be used under the UCI
>protocol which weakens chess engines under the Chessbase GUI, along with a 3
>year old book?
>
>Besides what if they tested the original AND the SKR settings?  Hell they tested
>Shredder 7 (out of the box) and 7.04 (not out of the box) while 7.04 being
>clearly better.

Good arguments! (Although I don't think that King is weakened by the Wb2Uci
setup; i.e. the SKR settings were done using this adaption method too.)

Of course "out of the box" is a good general guideline, but also, the testing
situation shouldn't be too artificial when the real usage in the computerchess
community is much different to the first release version and it's defaults.
Shredder 7.04 was such a big improvement, it would not have made sense to limit
testing to an old engine version. SSDF has shown wisdom in both cases :-)

I don't believe that somebody really thinks that the old general.ctg is much of
an advantage or a threat for the other top progs. For example, AFAIK Nimzo 8
used a newer book by A.Kure than general.ctg is (which came with Fritz 6). Fritz
6 itself with that book is ranking 47 Elo behind Tiger 15 (K6-2/450).

A book is also necessary in SSDF tests, to ensure that an engine doesn't have a
*time disadvantage*. This may even be more important than any sophisticated book
details which may decide one game out of onehundred.

Regards,
M.Scheidl



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