Author: Tony Werten
Date: 04:21:06 12/04/01
Go up one level in this thread
On December 04, 2001 at 06:27:41, Ulrich Tuerke wrote: >On December 04, 2001 at 03:55:21, Tony Werten wrote: > >>On December 03, 2001 at 11:01:56, Ulrich Tuerke wrote: >> >>>On December 03, 2001 at 09:26:21, Gian-Carlo Pascutto wrote: >>> >>>>On December 03, 2001 at 09:19:16, Ulrich Tuerke wrote: >>>> >>>>>I don't agree fully with you, Gian-Carlo. >>>>> >>>>>I think that getting unreliable main variations is a well known consequence of >>>>>any zero window search like for instance PVS or MTD. >>>>>The reason is that you will very often have moves in the PV which are just >>>>>sufficient to refute the preceeding move. In general you wan't have exact scores >>>>>neither exact variations. >>>>> >>>>>I don't think that this effect has to be attributed to the hashing algorithm. >>>> >>>>In PVS, the mainvariation should _not_ have been searched with >>>>a zero window, and should hence be reliable. >>> >>>I think that you're right. My remarks apply to MTD only. >> >>It is actually the same reason why it's so difficult to get a good pv when using >>MTD. > > >So, may be Fritz has changed to MTD ? >We'll ask Frans or Mathias in Paderborn. > >Uli > >BTW, don't play soccer these days. ??? Tony >> >>Tony >> >>>Uli >>>> >>>>-- >>>>GCP
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