Author: Dann Corbit
Date: 15:16:05 05/24/00
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On May 24, 2000 at 17:46:55, blass uri wrote: >On May 24, 2000 at 17:27:19, Dann Corbit wrote: >>I have a bit of a puzzle. >> >>In these experiments, you varied the depth from 5 to 12 plies, but in the "goes >>deep" experiments, it was deeper, if I recall correctly. > >It was deeper but it was not based on comp-comp games and I think that the >positions do not demonstrate what happens in comp-comp games(I read that the >positions were taken from kasparov-deep blue games and if this is the case >kasparov chose positions that computers do not understand so the fact that they >changed their mind even at big depthes is not surprising(you change your mind >when you have no idea what to do). > >> >>In the earlier experiments, it seemed to level out. >> >>I would like to see control matches where the plies are equal. >>IOW, 5:5, 6:6 up to 12:12. >>In that way, you will know what the gain of the extra ply is. I don't think you >>can tell clearly strictly from the data given. >> >>For example, in your 12 <==> 11 experiment, you show 35.71% wins, 52.38% draws, >>and 11.9% losses. What would the result be for 12:12? > >I guess that the result will be 50% because Fritz6 played against itself. I will be shocked if it turns out that way. For instance, no computer chess program has a perfectly symmetrical eval. >You can learn from 12<==>12 experiment about the number of draws but I do not >see what you can learn about diminishing returns from more plies. I probably do not understand exactly how the experiment was run. I will have to read in detail and study it later. But when you change both variables at once, you don't have a control.
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