Author: Volker Pittlik
Date: 12:15:16 07/17/00
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On July 17, 2000 at 14:50:22, Chessfun wrote: [...] >I note Crafty scored 10% approx worse with ponder=on. > >Was this a surprize to you?. >What did you think prior to running the tests: >ponder=on is a definate benefit to some programs?. Well it's no secret Crafty is one of my favouite programs. In short in sharp: I expect Crafty to perform weaker with ponder=off. But if you look at the results in detail the increase in strength with ponder=off is possibly randomnly. > >This naturally could be a result of a few things: >Number of games. I hope I've run enough games to get statistical relevance. >Other programs also being "tuned" for ponder=on. Maybe, I have never read something about this. My motivation to do this test was: there have been a lot of discussion about ponder on/ponder off. But there aren't very much data. IIRC Ed Schroeder performed another ponder_on/ponder_off test in the last year. You will find it somewhere in the archives. Unfortunately his results was different to mine. I just wanted to provide some more. And (sorry for repeating) the results are _nearly identical_. This was a surprise for me in fact. > >But I still think your conclusion is the correct one. > Thanks. Volker
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