Author: Andrew Williams
Date: 13:25:23 07/11/03
Go up one level in this thread
On July 11, 2003 at 10:55:37, Grzegorz Sidorowicz wrote: >It is any path. >Other chess programs prefere 64 bits more often than 32? >....but my friend Tomasz Michniewski (author of Tytan 2) use >also 32 bit TT and his program find solution in this position very quickly. > Certainly it's possible that Tomasz gets the position with a 32-bit hash key, but it's almost certain to cause MULTIPLE clashes, so I would strongly recommend switching to 64 bits. Of course, that probably isn't your problem, but it might cause you problems elsewhere. AW >>Are you hashing with only 32 bits instead of 64 with >> >>unsigned long glob_troper;// hash_code for current position >> >>If so, there may be too many entries mapping to the same position >>for the search to work well enough to find the solution.
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.