Author: Ricardo Gibert
Date: 00:08:34 01/21/02
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On January 20, 2002 at 09:47:29, Gian-Carlo Pascutto wrote: >On January 20, 2002 at 08:16:25, Ricardo Gibert wrote: > >>A typical EBF today is about 3 rather than 2, so a tripling of speed is needed >>to add 1 ply of depth. > >A typical one yes, but the top commericals are much closer to 2 than to 3 >it seems. > >ChessTiger's branching factor is simply amazing. > >-- >GCP I have ChessTiger and have noted the same thing, but a EBF of 2 going to a depth of 19 implies only about 2^20 nodes examined. That's about a million nodes, which a really fast machine can do in about a second. Of course, CT can't get that depth in anything near that time. That would be more like in Deep Blue territory. That should tell you that something about the way nodes and/or depth is being reckoned is not kosher.
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