Author: Vasik Rajlich
Date: 06:21:12 07/16/04
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On July 16, 2004 at 09:13:07, Fabien Letouzey wrote: >On July 16, 2004 at 09:07:15, Aivaras Juzvikas wrote: > >>as i understand a node is a pv node if beta != alpha + 1 > >Yes, but a PV node does not necessarily end up in the PV (e.g. fail high). >Therefore "PV node" and "PV" are different concepts. > >I think Vasik was talking about null moves in the PV, and I gave my opinion >about this topic. Maybe I misunderstood his post though. > >Fabien. I am not sure I understand this distinction. Do you mean that PV node is a node which you score between alpha and beta, and PV is the variation which eventually emerges? (Ie pv nodes can be "overwritten") Vas
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