Author: Uri Blass
Date: 04:06:22 07/28/04
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On July 28, 2004 at 05:53:57, Tord Romstad wrote: >On July 28, 2004 at 00:36:12, Dann Corbit wrote: > >>Play with the granularity of the search. If a pawn is worth 64 centipawns you >>will do far less searches than 1000 centipawns. But then you lose resolution. >>So the trick is to find a happy medium, I would guess. > >I have actually used pawn=32 since quite a long time (if I recall correctly, >Gothmog 0.4.6 and later use pawn=32, older versions used pawn=64), and I haven't >seen any bad effects of the low resolution. The internal resolution in my >evaluation function is pawn=128, but I divide all scores by 4 before I return >them. > >Tord How much rating do you earn from dividing the evaluation by 4. I use pawn=100 and I do not divide my evaluation by 4 before returning them. Maybe it is a bad idea but I am not sure. Note that I am not sure if tactical tests will help to find it and I guess that the only way to know is games because it is possible that you pay the price not in tactical positions but in positions when you choose slightly inferior positional moves. Uri
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