Author: Alvaro Jose Povoa Cardoso
Date: 03:19:33 09/01/02
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>>Difference is that Crafty used alpha instead of value when it re-searches. >>Is there any reason to use alpha instead of value? >>Using value which is greater than alpha seems to cause more cutoffs than using >>alpha. >> >>Thanks in advance. > >I do this only because it is possible to fail low on the re-search, and now you >have the question of whether this fail-high/fail-low means anything. I choose >to go to the full window so that if it fails low, I know it is not good and I >can ignore the fail high. This is a null-move / hashing artifact that simply >happens to anyone doing PVS, null-move and hashing, all together... Just curious, if we removed null-move, would that artifact still happen? In other words, would PVS+hashing cause that? Regards, Alvaro Cardoso
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