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Subject: Re: EGT info ...

Author: Henk Bossinade

Date: 13:41:05 10/19/04

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On October 19, 2004 at 14:26:18, Dieter Buerssner wrote:

>On October 19, 2004 at 13:29:47, Anthony Cozzie wrote:
>
>>I would really really like to see some W/L/D tables from Eugene.  His current
>>DTM tables are great, but the 6 man versions are just too big.  No one has 3 TB
>>of disk space, except maybe Bob.  What I would like to see is a 5-man DTM and a
>>6 man W/L/D.  I suspect that they could compress that into 100GB for the whole
>>set, which would be pretty reasonable.
>
>I would fear, that WDL is not enough to win some difficult positions. Perhaps
>even a large part of the ones that an engine cannot win without support of TBs.
>Think for example of those KNNKP positions (to give even a 5-men example - I
>suspect more such cases in 6-men), where 45 moves of shuffling is needed. WDL
>would say won for many positions, but the engine would have a hard time to make
>progress. In some KQPKQ positions the same problem, even in KQKR. In the later
>WDL tables will basically say won for most positions, but without some more or
>less specific endgame knowledge, an engine will not be able to win it. If it has
>that knowledge, it won't need the TBs at all ...

It's a trivial matter, so they should change the rules.

>
>Of course, I think that WDL tables are useful, too.
>
>Regards,
>Dieter



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