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Subject: Re: An EGTB concept question

Author: Angrim

Date: 15:23:34 08/04/02

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On August 04, 2002 at 15:39:48, Alvaro Jose Povoa Cardoso wrote:

>Currentely I created some EGTB with DTM and for each entry I use:
>wins: 0-125
>losses: 126-250
>the rest of the values are for draw/broken and some are unused.
>I saw somewhere that we can use the following scheme:
>wins: 0-253
>draw/loss: 254
>broken: 255
>
>So this scheme doesn't differenttiate draws from losses.
>My question is if this is realy posssible, how can we do without the losses
>information?
>
>Best regards,
>Alvaro Cardoso

I wouldn't do this.
If you were silly enough to do this, you could get the draw/loss info
by searching an extra ply deep when you reached a "non-win" egtb
position in the search tree.  All of the positions which can be reached
from a loss are going to be wins, which will have distance values.  At
least one position which can be reached from a draw will be a "non-win"

Angrim



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