Author: Kurt Utzinger
Date: 00:01:00 10/08/02
Go up one level in this thread
On October 07, 2002 at 23:11:32, Robert Hyatt wrote: >On October 07, 2002 at 18:33:43, Jeremiah Penery wrote: > >>On October 07, 2002 at 18:29:35, Uri Blass wrote: >> >>>On October 07, 2002 at 18:19:29, Jorge wrote: >>> >>>>This may be a dumb question, but could someone tell me the reason for setting >>>>Ponder=off in comp to comp matches? If two computers with the same hardware with >>>>different, each with a program playing each other, why set ponder off? >>>> >>>>thnx, >>>>jorge >>> >>>Usually the people who play games with ponder off use only one computer and not >>>2 computers. >> >>Why set ponder off with one computer? > > >The basic idea is that one computer matches are not very informative. You have >two >choices: > >1. Ponder=on. Engines can "steal" time from each other since both will be >computing most >of the time. Unless one is unlucky enough to not have anything to ponder. For >that move, the >opponent runs twice as fast. > >2. Ponder=off. This might cause poor time utilization as it is an unnatural >way to run and >is not always very well tested. > >Either way causes problems. Moral? Use two computers or else don't pay a >significant amount >of attention to the results. Previous and still running tests with quite a lot of games in Germany prove that there is no significant difference in results between matches played with either ponder on/off. And most surprisingly - contrary to your assumption - this also refers to Crafty. Kurt The running test
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