Author: Pat King
Date: 05:14:30 09/22/98
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On September 22, 1998 at 05:52:43, Roberto Waldteufel wrote: > Maybe there should also be an "age" >entry in the tables based on the move-number at the root of the search when the >move was stored (or maybe last used)? > >Best wishes, >Roberto How about if you store the ply the position was encountered. When a collision occurs, the new position replaces the old if... 1) old.ply < current.ply (old position now history) 2) new.ply < old.ply (new position nearer root) 3) new.ply = old.ply and new.depth > old.depth (new position has higher quality score) Right now, I'm using always replace, but I haven't been terribly pleased with my results, and the above seems to simply incorporate the ideas discussed in this thread. Pat
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