Author: Ernst A. Heinz
Date: 12:55:02 02/28/01
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Hi Severi, >>Should I also omit it in some other cases, >>for example, when any hashmove (even with a low draft) was found, >>or when beta = alpha + 1? > >I avoid it also when it seems that this node is futile: material+MARGIN<=alpha. >It saved a few nodes and it seems to be quite sound assumption. Yes, the same in "DarkThought" -- see my article on AEL pruning and/or the accordingly named chapter of my book (pp. 54+55). =Ernst=
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