Author: James T. Walker
Date: 13:18:18 11/12/00
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On November 12, 2000 at 13:46:54, Thorsten Czub wrote: >On November 12, 2000 at 13:33:41, Robert Hyatt wrote: >>There is likely a simple explanation. If you expect to search to 10 plies, >>you can tune your extensions to solve those tactical issues you want to solve >>within 10 plies. But going to 11 or 12 may well cause the extensions to >>over-trigger and bog the search down badly. >> >>This has always been a problem, which is why varying the hardware speeds makes >>no real sense once you get away from the speed of the hardware the engine is >>actually developed on. Some might not tune this way. Others do. It is >>certainly a good idea to maximize performance on the machine you are going to >>use... > >could be the reason, yes. >hiarcs was , as far as i remember it, always "tuned" or made especially >for 40/120 tournament time control. ******* You may be right but I know that at very fast time controls like G/1minute or G/2minutes Hiarcs 7.32 had no problem beating Fritz/Junior. It must be a side effect of something else that Mark is doing with his program because this did not hold up at Game/5 minutes or longer. ******* > >maybe you are right and the problem is that it was optimized for >older machines, and now has problems coming deeper. > >but - this was always with hiarcs. >hiarcs always took much time to come deeper. therefore i >told mark to make special search-levels for longer time control. >email-chess levels where hiarcs is more selective than in tournament-mode.
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