Computer Chess Club Archives




Subject: Hashing in distributed perft

Author: Steffen Jakob

Date: 22:00:31 12/18/03


I repeat my posting from below because the ruffian thread pushed it very fast to
the bottom of the message list. :)

What are you using for the hash key in your distributed perft implementation?
How do you make sure that there are no hash key collisions which are possible in
the usual zobrist key approach? Those collisions are too rare to influence the
playing strength of a chess engine but would make the result of your perft
project invalid.


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