Author: Reynolds Takata
Date: 16:46:33 12/01/98
Go up one level in this thread
On December 01, 1998 at 19:35:23, John Merlino wrote: >On December 01, 1998 at 15:38:34, Reynolds Takata wrote: > >>On December 01, 1998 at 15:02:48, John Merlino wrote: >> >>>On November 30, 1998 at 02:03:43, Christophe Theron wrote: >>> >>>>On November 30, 1998 at 00:16:47, Reynolds Takata wrote: >>>> >>>>>I attempted to play CM3000(in micro chess layout) against CM4000, CM5500, and >>>>>CM6000. CM3000 was actually winning about 30% of the games! I expected that it >>>>>wouldn't win any, as i have found CM3000 positionally weak, though the tactics >>>>>aren't too bad. These games were on one comp running both progs, how much >>>>>effect should this have? >>>> >>>>If you play programs on one computer, you should disable thinking on opponent's >>>>time on both, or else the result means nothing. >>>> >>>> >>>> Christophe >>> >>>The main problem is verifying that both engines are getting equal CPU time. >>>Unfortunately, this is highly unlikely because Chessmaster 3000 is a DOS >>>application and 4000 and 5500 are Windows applications. Due to the way Windows >>>switches back and forth between DOS applications, it is very unlikely that both >>>programs are getting relatively equal time to think, regardless of whether you >>>have both engines thinking during their opponent's time. >>>Windows tends to give a higher priority to DOS applications, which accounts for >>>CM3000's unexpectedly high win percentage. >>>Turning off "deep thinking" will not make a difference as far as CPU time goes, >>>because Windows switches back and forth between apps very quickly. What it WILL >>>do, however, is make the engines play worse overall. And, I imagine that this is >>>unintended. >>> >>>jm >> >>CM3000 is a windows program. >> >>RT > >Actually, we're both right. There was a Windows 3.0 version and a DOS version. > Ahh yes you are right, i faintly remember that now, but here the windows version was being used. >jm
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.