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Subject: Re: what are the most important Six man tablebases?

Author: Robert Hyatt

Date: 18:22:53 09/06/02

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On September 06, 2002 at 18:48:01, Eugene Nalimov wrote:

>Actually, I generated all 3+3 and 4+2 pawnless tables but two; twose last two
>are being generated right now.
>
>After that I'll start 6-men with pawns.
>
>I just cannot transfer those tables to your site. Probably I should just send
>you disk drive by mail... Can you find XP computer with 1394 connector for the
>external disk?
>
>Thanks,
>Eugene

You are talking about IEEE 1394 firewire?  Yes, we have such a box.  We
use a firewire disk to store "images" of our windows 2000 stuff so that
if something goes wrong, we can push the whole kit and kaboodle back out
to the machine...

But I must ask...  how big a firewire drive are you going to send?  IE how
big is my ftp machine going to have to be?  :)





>
>On September 06, 2002 at 18:38:48, Robert Hyatt wrote:
>
>>On September 06, 2002 at 16:27:22, Dieter Buerssner wrote:
>>
>>>On September 06, 2002 at 16:14:19, Robert Hyatt wrote:
>>>
>>>>>What is the estimated size [of kppkpp]?
>>>
>>>>at least 1000 gigabytes (a terabyte)
>>>
>>>How do you estimate this?
>>>
>>>My simple estimation (ignoring the ep problem, but it should not make a bigger
>>>factor) would be:
>>>
>>>3612 * 48 *47 / 2 * 46 * 45 / 2
>>>
>>>which would make 4 Gb positions, compressed obviously less. Even 64^6 (taking no
>>>symmetry into account) is "only" 64 gigabytes.
>>>
>>>Regards,
>>>Dieter
>>
>>
>>The threes/fours/fives are 7.5 gigs already.  But even more importantly,
>>the 6's are going to blow a byte for scores...  So they are going to be
>>twice the size to boot.
>>
>>I already have some compressed 6 piece tables that are > 2.0 gigabytes.  We
>>have almost 100 gigs with no pawns done yet, and not all of 3 vs 3 are
>>done yet...  much less 4 vs 2, 1 vs 5 and then those pawns...
>>
>>IMHO a terabyte is a lower bound...  not upper.



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