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Subject: Re: Which Top Program has the Largest Opening Book Included?

Author: Tony Hedlund

Date: 11:38:54 06/14/99

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On June 14, 1999 at 07:11:10, Shep wrote:

>On June 12, 1999 at 20:52:00, Terry Ripple wrote:
>
>>For Comparisons:
>>
>>Nimzo 99 Book: 212MB = 208,140 games
>>Fritz 5   " : 112MB = 110,731   "
>>Rebel     " : 16.8MB =  ???
>>CM6000    " :  3.34MB = ???
>>
>>Hiarcs 7.32 has 350,000 move Opening Book! So, how do you compare this to the
>>number of Games it has stored and its total Megabyte of Book knowledge?
>
>The problem with comparisons is that you often don't know how exactly the moves
>are stored in the book.
>For example, a Fritz book tree is typically about 10 times as big as the
>respective "original" file, judging from the conversions I did with the books of
>Rebel 10, Genius 5 and Fritz 3.
>
>BTW, Rebel's book is much smaller than the 16.8 MB you give. I think roughly
>about 1/10th of that. CM6000 ditto.
>
>CSTal 2 has about 510 MB, but no-one knows how many moves/positions it has,
>which is the only valid number.
>
>
>---
>Shep

MCP8 have 6.291.456 positions in its opening book.

Tony



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