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Subject: Re: Fritz 6 tablebases ?

Author: Jeremiah Penery

Date: 00:30:52 02/06/00

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On February 06, 2000 at 02:44:59, Dave Gomboc wrote:

>On February 06, 2000 at 02:33:35, Pete R. wrote:
>
>>On February 06, 2000 at 01:41:01, Eugene Nalimov wrote:
>>
>>>So it looks that for now practical limit is 6-man TBs, if you can spend tens of
>>>gigabytes (hundreds, when we'll have more) for them.
>>
>>Are you creating 6-man TBs with pawns, e.g. KRPKRP?
>
>At this point, I highly doubt it.  Those would require all of the promoted cases
>to be used.
>
>I thought that FIDE's rules allowed a TD to specify an optional extension to the
>fifty-move rule, but since this is apparently no longer the case (the rule has
>been revised again to exclude this possibility), Eugene might want to give some
>thought to restandardizing on distance to conversion.

Distance to mate should work (at least exactly as DTC does...), as long as the
generator has knowledge of the 50-move rule.  It may be really hard to do this,
but, for example, you could take a few moves longer to reach mate because of an
un-optimal pawn push/capture, but it would save you from a draw. (And that's
probably a really bad sentence.)



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