Author: William Bryant
Date: 12:29:24 02/25/99
Go up one level in this thread
>>I tried these on my program. I get Kb1 on ply 19 at 0:19 with a score of >> +2.04. On lower plies it chooses Kb2. > >I disabled everything (extensions, pruning, the works) and ran these positions >with just hash tables and alpha-beta. I get the first position on ply 20 after >20 seconds. > >> >>On the second I get Kb2 in less than a second, at ply 13. > >I have to wait for 2 seconds and ply 15 to solve. > >This is on my P233 with 2 ^ 18 positions in my table. What do some of the other >programs get? How big are you hash tables? You seem to be doing a bit better >plywise, which worries me. > >Any comments would be welcome. >James > I'm running on a 233mhz Apple G3 using a default hash table of 8192k (8M) which provides for 2*19 positions Also, while looking for a different article, I ran across Dr. Hyatt's article on Cray Blitz in Advances in Computer Chess 4, which describes, with output, the position from Ruben Fine's book on end game positions (one of the two positions above). I don't have it in front of me, but Blitz looked this deep to get an answer, but did it in less than a second. William wbryant@ix.netcom.com
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.