Author: Robert Hyatt
Date: 18:47:56 08/02/01
Go up one level in this thread
On August 02, 2001 at 20:02:29, Vincent Diepeveen wrote: >On August 02, 2001 at 10:17:14, Robert Hyatt wrote: > >>On August 02, 2001 at 09:32:52, Vincent Diepeveen wrote: >> >>>On August 02, 2001 at 03:56:58, Dann Corbit wrote: >>> >>>>On August 02, 2001 at 03:32:12, Joshua Lee wrote: >>>> >>>>>Since Deep Blue isn't around playing games these days the only "Real" >>>>>Competition That is on the level of DeepThought or Blue would be Cray Blitz. >>>>>How does CB compare to the Deep's? I know DT could be searching 10Ply find a >>>>>move but a regular Fritz might take 20+ ply I am guessing that CB is closer to >>>>>the Deep's than your average program ... What kind of differences between Cray >>>>>and Commercials are there in eval "IF" that's a BIG "IF" eval is the main >>>>>difference between the two. How much memory went to Hash Tables etc? Is the >>>>>Depth = to Crafty only just deeper in searches? In other words is 12ply for CB >>>>>the same as Crafty? I played a game Between Fritz and Crafty at 12ply each and >>>>>then 12ply for Crafty and 14 for Fritz , Fritz lost both not that this says >>>>>much as Fritz at 12 ply took tops 1:30 while Crafty took up to 30 minutes but at >>>>>14 Ply for Fritz it was not enough in the endgame. I don't know how much Depth >>>>>is good for fritz but it looks like 12Ply is a decent minimum for Crafty for >>>>>most positions except in the endgame. >>>>> >>>>>Also i asked about the games of Crafty Vs Cray Blitz when will these be >>>>>available? >>>> >>>>Cray blitz had memory bandwidth as a big advantage. But personally, I think the >>>>8 way SMP boxes running Junior or Fritz would give cray blitz all it could >>>>handle. >>>> >>>>On the other hand, put crafty on a 64 way SMP Compaq Alpha machine, and only >>>>Deep Blue would have a chance against it. >>> >>>Such a crafty would not win wcc2002 for sure. >> >>At 30M+ nodes per second, I would certainly take my chances and be quite happy >>about it. > >Getting out of book with -2.0 instead of -1.0, only because you >search a bit deeper in the same position, that's giving a kind of >feeling which is quite the opposite though :) > I don't always get out of book at -2. I have a reasonable tournament book to use when needed. It did quite well in the first CCT event. And it did well when used in Jakarta. Hasn't been used since, but it might show up at a future event... >> >> >>> >>>>Pure speculation, of course.
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