Author: Gian-Carlo Pascutto
Date: 04:23:07 11/06/01
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On November 06, 2001 at 07:18:29, Leen Ammeraal wrote: >My program sees that black deserves a very high score, >derived from the egtb, but fails to make the trivial >move 1. ... g1Q because it does not find an entry >for the resulting position in the egtb, and because >the computed score after this promotion move >is lower than the egtb score retrieved after the >move Rg3, so the latter move is made and the >game results in a draw instead of in a win for >black. Has anyone encountered similar problems? >It seems to me that for any egtb file with >pawns, there should be a corresponding file >for the case that one of the pawns has turned >into a queen. If not, the result may be >completely wrong, as in the above example. >Leen This is wellknown. A possible solution is to turn off egtb's if you are in an egtb position and you note that the distance to mate does not shorten anymore. -- GCP
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