Author: Robert Hyatt
Date: 19:33:55 09/11/99
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On September 11, 1999 at 21:35:49, Oliver Roese wrote: >On September 11, 1999 at 21:30:42, leonid wrote: > >>How much additional advantage in speed can I expect after igniting the >>hash table? > >As Dr. Hyatt has said, hash tables gives an additional ply. >(Correct me if i am wrong.) > >Best Regards >Oliver Roese I don't think so in the opening/middlegame. Endgame they can give 30 plies (IE try fine 70 without hashing and you might get to 16 or so. With hashing I get to 30+ in under a second... but it does help move ordering and tree efficiency... and maybe you are closer than I realized, as a factor of 2 in the middlegame is definitely possible with hashing. And 2x faster is nearly another ply with null-move R=2...
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