Author: Uri Blass
Date: 23:31:25 09/09/01
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On September 09, 2001 at 21:20:52, Dave Gomboc wrote: >On September 09, 2001 at 19:02:44, Uri Blass wrote: > >>I thought that it is correct only about Deep blue. >>Do you say that it was also Deep thought? > >I thought they did singular and dual extensions at least in the deep thought >era, but I do not remember this with 100% confidence. > >>I also doubt if all these extensions were productive and it is possible that >>they believed that it should be productive at long time control and were simply >>wrong. >> >>I suspect that they had no time to test if these extensions really help relative >>to not doing it because they were too busy in implementing the new extensions in >>hardware. > >I think they found the extensions to be productive. Otherwise, they wouldn't >have used them for a decade. I suspect that it was productive in some test suites but counter productive in games and they simply did not know it. Uri
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