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Subject: Re: Chess Tiger 15 observations/comments/questions

Author: Lex Loep

Date: 23:46:07 10/04/02

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On October 04, 2002 at 20:40:55, john rice wrote:

>Just finished installing the download version of CT15 from the lokasoft site. I
>must say the included Chesspartner 5.2 gui is better than I had expected. Having
>only used the Chessbase/Fritz gui before, I was a little apprehensive about
>using a new interface. Although the Chessparter gui doesn't have as much "eye
>candy" as Chessbase, it is still impressive none the less. It has more of a
>Microsoft Windows feel to it.
>Having played around with some of the options and settings, I have several
>questions about various features.
>
>1. I can't find an option to optimize the opening book. Maybe this is just a
>Chessbase thing, but I would really like to know I'm using the best book options
>available. The only book options I could find were: Variation (set at 50%
>default) and Learning Strength (also set at 50% default). Common sense tells me
>to set Variation to 0% and Learning Strength to 100% for maximum book
>performance, but I have to wonder why these settings are not the default.
>

These options are only when 'Use GUI books' is selected. The default
installation lets the engine handle its own book.

>2. Chessbase has an Optimize Strength feature that will set up the program for
>best performance. I don't see this option in the Chesspartner gui. Is CT15
>already set up for best performance? Does this have to be done manually?
>

You have to do in manually, the only parameters you would need to change
is the hashtbable size and possible the path to the endgame table bases.

>3. The downloaded version was only 15MB in size. Therefore the opening book is
>very small. Only a few megabytes, unlike Fritz7 which is over 200MB in size! How
>can CT15's relatively tiny opening book be as good as Fritz7's huge book?
>

The size of the book is 7.8 MB, its called ct.tbk. The book is made
by Jeroen Noomen and is one of the best books around. The size of a book
say nothing about its quality. I could take a million GM games and generate
a book from it, it would be very big but not of good quality.



>4. When looking in the CT15 engine folder, the only endgame tablebases there are
>the 3 man. No 4 or 5 man like the features list stated. Should I add the 4 man
>tb's in the folder as well? I've already downloaded all the 5 man tb's, and have
>them in another location with the path listed in CT15's directory.
>

Under Extra -> Engine propertie - EndGame
Make sure you have set the Tablebase path in there.

>5. Last but not least, since the increment time setting does not work properly,
>what is the best way to play a manual game against another computer using ficher
>time controls. For example, if the time settings are 10/10 should I set my time
>control to 15/0, 20/0, 25/0 or what? It is very difficult to judge what time
>setting will be the most effecient.
>

I cant tell, I generally don't do this sorts of test but perhaps
Christophe or one of the testers can tell.



>Overall, the Chess Tiger 15/Chessparter Gui package is very immpressive. I
>strongly recommend you give it a try.

Thanks,
Lex



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