Author: John Boyd
Date: 22:51:53 05/13/03
Go up one level in this thread
On May 13, 2003 at 22:34:57, Robert Hyatt wrote: >On May 13, 2003 at 21:30:01, John Boyd wrote: > >>Hi all, >> >>Usually, a mate score is greater than beta and thus is stored as a LOW BOUND in >>the hash table. >> >>But why? Assuming its the true score, shouldn't it be stored as an EXACT score? >> >>I guess the problem is in assuming it is indeed the shortest mate. Is that why? >> >>Thanks, >> >>Ross > >you can have exact mate scores, _and_ mate bounds. They both can be stored >just fine if you don't have bugs. The main point is to adjust a mate score/ >bound so that it is mate in N from the current ply, rather than mate in M >from the root... Thanks for the feedback. Last week I did the mate score fix you describe and now its returning the correct scores on subsequent searches. That's 1 problem solved... and 999,999 problems to go...
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.