Author: Helmut Conrady
Date: 21:23:29 02/03/03
Go up one level in this thread
On February 03, 2003 at 22:04:06, Marc Bourzutschky wrote: >On February 03, 2003 at 20:17:31, GuyHaworth wrote: > >> >>Anyone know anything about this small problem...? >> >>I'm looking at some deep KQPKQ positions with Fritz6 and EN's EGTB. >> >>On White-to-move, there is no problem: I see the position's DTM depth. >> >>For Black to move, sometimes I see the DTM and sometimes I see instead an >>'evaluation' to 2 decimal places. Behaviour is consistent: either the btm >>position shows depth correctly, or shows the spurious 'eval number'. >> >>The KQPKQ EGT has been down-loaded twice: no difference. >> >>My Fritz6 has not been updated since bought some years ago: are there any >>update packages? >> >>Fritz loads ok - which it doesn't do (afaik) if the EGTB is corrupted in some >>way. >> >>Thanks in advance ... guy > >Make sure you have all the relevant subgames. For example, if you don't have >KQPK the machine might think it can "improve" on getting mated by sacrificing >its queen for a large negative score. > >-Marc In Shredder 7 or or Fritz 8 this problem is "fixed". When i.e. one move before a conversion some subendgames are missing the engines do a "normal" search. Helmut
This page took 0.01 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.