Author: Uri Blass
Date: 03:39:42 10/08/02
Go up one level in this thread
On October 08, 2002 at 06:32:43, Kurt Utzinger wrote: >On October 08, 2002 at 05:52:11, Bernhard Bauer wrote: > >>On October 08, 2002 at 03:01:00, Kurt Utzinger wrote: >> >>>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 >> >>As many computer chess fans are only interested in results and not in game >>quality it doesn't matter wether you play with ponder on or off. >>And it doesn't matter wether you play a game using 2 hours for 40 moves or only >>1 hour. The results are the same. >>And it doesn't matter wether you play a game using 1 hours for 40 moves or only >>30 minutes. The results are the same. I think that has been proven in Germany. >>And Crafty plays better without ponder than with ponder has been posted in >>Germany too. >>So what? Let them play without ponder at all. >>regards >>Bernhard > >Hi Bernhard >Your conclusion is wrong. If you use two PC's and let one program play with >ponder=on and the other one with ponder=off, the program without ponder will >have no chance. >Kurt Pondering may help but saying that the program without ponder will have no chance is clearly wrong. Uri
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