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Subject: Tablebase exits?

Author: James T. Walker

Date: 14:13:59 05/29/99


Programmers,
How do you exit the tablebases when the next tablebase is missing?  For example:
 In KQPKQ when the pawn reaches the 8th rank and upon promotion is captured by
the opposing Queen.  This is not in the KQPKQ tablebase so how do you force the
program to make the pawn move which actually drops out of the "safety" of the
tablebase?  Since the KQQKQ tablebase was missing as was the KQK tablebase.
The reason I ask is I saw one program reach "Mate in 13" but played about 6
moves around the mate in 13 area before pushing the pawn and making progress.
Jim Walker



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