Author: Ralf Elvsén
Date: 23:32:27 04/07/02
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On April 07, 2002 at 15:09:21, Sune Fischer wrote: >On April 07, 2002 at 14:09:04, John Marountas wrote: > >>Hello ! >> >>I have implemented HashTables (at Pyotr Club Edition) using the Zobrist key but >>Pyotr randomly makes unexplained blunders. >> >>If I disable HashTables then Pyotr plays other moves. >> >>It seems that I have made a wrong implementation. But how can I prove it ? >>I cannot find a bug in my code. Is there any test suite which can help me? >> >>Any suggestion welcome ! > >I have made a debug routine that generates the key from the ground up at every >node, just to verify that is matches the incrementally constructed one. I subscribe to the same philosophy. It's no fun to debug your hash probing code if you're uncertain whether your hashkey is correct or not. It is worth the "trouble". Ralf > >Also be sure you mask it all into the key, castle rights, ep and side to move. > >-S. > > >>This is the problem which delays the release of the Club Edition ! :-( >> >>Thanks, >>Marountas John
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