Author: Rajen Gupta
Date: 10:41:23 07/24/02
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On July 24, 2002 at 13:06:11, Timothy J. Frohlick wrote: >Rajen, > >If both programs were given the same computers with ponder-on there would be >essentially no change in performance relatively. this is the question that i was asking ie relative performance wih respect to each other. i entirely agree that the quality of moves would be certainly better for each programme when played on 2 computers with ponder on. i just wondered whether that would affect relative ratings. i have read some postings where it was suggested-bob hyatt i think once mentioned that crafty should alway be tested against other programs using 2 computers with ponder on. he even stated that playing crafty on a single machine against other programs with ponder off was meaningless as that disproportionately reduced the strength of crafty! i wonder if tht is true as i feel that the relative ratings should be approximately the same keeping in mind the usual statistical error. maybe sarah can tell me as she has played a lot of such matches. rajen >The moves would probably be better. The only way to determine any difference in performance is to play >Program A with ponder-on against itself on an identical computer with >ponder-off. I would think that a 30 to 75 ELO point improvement would be seen >on the program running with ponder-on since it would be thinking almost twice as >long. > >The more expensive way of doing this would be to pay a 2600 level GM to play >games against your program with both on/off ponder. > >Tim Frohlick > >PS I think that Sarah Bird may have done this experiment. > > > >On July 24, 2002 at 12:28:21, Rajen Gupta wrote: > >>would there be a significant difference in overall results, if 2 programmes were >>to play against one another on 2 computers with ponder on as opposed to playing >>the same programmes, engine vs engine with similar time controls n a single >>processor computer? >> >>and are there any programmes which do significantly better, ratings wise, when >>played with ponder on vs ponder off? >> >>rajen
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