Author: Ernst A. Heinz
Date: 04:24:55 01/15/98
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On January 15, 1998 at 07:19:48, Amir Ban wrote: > >Often when you evaluate a node, you have a situation where you can >record a bigger depth in the hash entry, but the eval info is less >exact. What do you do in this case ? > >As an example, suppose your best move was e4 up to ply 6 with value >+0.10, and then at ply 6 you find d4 is better. At ply 7 d4 is still >best with value +0.20. When you evaluate e4 at ply 7, you have the >choice of updating e4 to 7/LE 0.20 or leave it as 6/EQ 0.10. There are >advantages and disadvantages either way. > >Amir Proven standard is depth having higher priority than bound type. Many experiments of different researchers agree on this. It also holds for "DarkThought". =Ernst=
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