Author: Tony Werten
Date: 10:49:06 03/29/01
Go up one level in this thread
On March 29, 2001 at 13:31:59, Christophe Theron wrote: >On March 29, 2001 at 09:14:57, Robert Hyatt wrote: > >>On March 29, 2001 at 06:22:13, Jouni Uski wrote: >> >>>On March 29, 2001 at 06:17:50, Alexander Kure wrote: >>> >>>>On March 29, 2001 at 04:37:19, Tony Werten wrote: >>>> >>>>>Hi all, >>>>> >>>>>until what depth do various programs probe the tablebases ? >>>>> >>>>>cheers, >>>>> >>>>>Tony >>>> >>>> >>>>Hi Tony, >>>> >>>>In London 2000, I let Nimzo 8 play with a depth of 6 plies, but later I came to >>>>the conclusion that 8 plies might be better overall. This is indeed the default >>>>setting of NimzoX and Varguz playing on ICC. >>>> >>>>Greetings >>>>Alex >>> >>>Sorry one stupid question: is this the first or last 6/8 plys? >>> >>>Jouni >> >> >>His statement would make no sense if it were the _last_ 6-8 plies. Those >>are the ones that kill performance if you aren't careful. The first 6-8 plies >>don't cost a thing. > > > >But it could also mean it probes TBs in all the plies except the last 6/8. > >Meaning that if Nimzo is doing a X plies search, then the program probes the TBs >in the tree for all nodes that have a distance from the root below or equal to >X-6 (or X-8). Could be but that would mean, with an average depth of 10 to 12, you'd be probing the first 4 to 6 ply. I mean, it helps but it could help more. That is, not counting extensions, but you if you search 10 ply, you don't know ( at ply 8 ) how many plies are still coming. cheers, Tony > >I don't think that probing the TBs in the first 6/8 plies of the search makes >any sense. > > > Christophe
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