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Subject: HashTable problems

Author: Larry Griffiths

Date: 13:49:11 09/02/00


I have been running test with the following...

[D]R7/P4k2/8/8/8/8/r7/6K1 w - - bm Rh8; id "WAC018";

I run this position to a fixed depth of 12 without extentions.

I am adding "EXACT" hashtable entries at each ply when there are no cutoffs.

When I first enter a ply, I make sure that the hash entry depth from the leaf is
greater than or equal to the current depth from the leaf.  The hash entry must
also be flagged as "EXACT" and must match on "SIDE TO MOVE".

I get different results with and without adding EXACT hash table entries.

Does anybody have any ideas why this is happening?

Larry.



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