Author: Uri Blass
Date: 01:14:11 12/30/02
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On December 30, 2002 at 03:49:40, Ed Schröder wrote: >On December 29, 2002 at 19:35:52, Martin Giepmans wrote: > >>On December 29, 2002 at 19:05:51, Tony Werten wrote: >> >>>http://members.home.nl/matador/chess840.htm >>> >>>Tony >> >>The formula for reductions 2b and 2c look strange: >>"alpha < score + threat + margin --> reduce depth ..." > >The formula is okay, read the purpose of the reduction: > >"The idea is, reduce the depth in case the score plus the (material) threat plus >an extra margin still does not get it to ALPHA the future of this subtree isn't >very promising, thus reduce." It should be if score + threat + margin<alpha It was posted by another poster. Uri
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