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Subject: Re: Opening Book inflation

Author: Winfred Craft

Date: 11:25:55 08/12/00

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On August 12, 2000 at 14:17:46, john watson wrote:

>On August 12, 2000 at 13:56:04, Jorge Pichard wrote:
>
>>On August 12, 2000 at 13:38:41, john watson wrote:
>>
>>>Does anybody have any idea how to quickly inflate Deep Junior's
>>>book from 2,900,000 to 3,000,000 positions ?
>>>I like round numbers, you see.
>>>Maybe by importing huge .pgn or .cbh files of unusual games ?
>>>The quality of the games is less important, as long they inflate the book it's
>>>OK with me.
>>>But from where can such files be downloaded ?
>>
>>I once was told 10 years ago by a local GM friend of mine that the number of
>>openings which I was capable of remembering was not that important, but how good
>>I understood the position after the opening was over is really what count.
>>Therefore, the Quality of the opening lines whether it is 2,900,000 or just
>>59,000 good opening lines is better than having a larger opening lines as long
>>as those opening lines are free of errors and are the best for that particular
>>program.
>>
>>PS: If it take closed openings to defeat good programs like Fritz 6a or junior 6
>>programmers should concentrate on programming those closed openings lines like
>>the stone wall defense used by Kramnik against Deep Junior, plus special ALS
>>Anti lock system in case other programmers apply the same technique in order
>>to make their programs perform better.
>>
>>Pichard.
>
>That's beside the point, I just want a 3,000,000 position opening book,
>that's all.

I have a collection.pgn of games only between computers but it contains
nowhere near 3 million moves.
Winfred



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