Author: Robert Hyatt
Date: 19:03:28 07/23/01
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On July 23, 2001 at 16:25:48, Roy Eassa wrote: >On July 23, 2001 at 10:36:53, Robert Hyatt wrote: > >>On July 22, 2001 at 12:39:57, Roy Eassa wrote: >> >>>I made an appointment to work with Richard Greenblatt when I was undergrad at >>>MIT. It was about 1979, and we were going to resurrect that old program >>>(MacHack, as I recall) and improve it. I had to get up early on a Saturday >>>morning (death for a college student!) to make the appointment. Greenblatt, who >>>had a well-slept-in cot in his office and never made eye contact with me when we >>>set up the meeting, never showed up. That was the end of my chess programming >>>career. >> >> >>Greenblatt was a "character" to say the least. >> >>The main thing new about the "program" fischer played was that it was the >>first real effort to use special-purpose hardware to search a game tree. >> >>Belle (early versions circa 1977) had hardware move generation and evaluation, >>and makemove/unmakemove, but the search was software. Greenblatt and others >>developed a thing called "CHEOPS" (CHEss OPerationS if I recall correctly) that >>could search very quickly. It had no positional evaluation at all, and was >>used to accept or reject moves proposed by the normal MackHack chess engine >>by doing a significantly deeper search on them but only looking at material. >> >>It never played in any computer event so we all assumed it didn't work very >>well, in practice... >> >>IE no MackHack version ever played in any ACM event whatsoever... > > >The brain cells in my head that held "CHEOPS" just received their first >electrical current in at least 15 years! (I'd totally forgotten that term.) It's amazing what us "old, arrogant, incompetent, moronic professors" have experienced in the past, isn't it. :)
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