Author: Robert Hyatt
Date: 07:30:16 10/08/02
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On October 08, 2002 at 03:58:13, Tom Kerrigan wrote: >On October 07, 2002 at 21:35:23, Robert Hyatt wrote: > >>Never said there was _not_ one. I said "there was no reasonably efficient >>software implementation" that could be used in an engine." Big difference. >>You _can_ emulate _anything_ in software, by definition. But that doesn't >>mean you can use it to play games... > >Is that what you said? What was the date? I'd like to look that thread up. > >Also, it doesn't mean you can use it to play games? Then what software >simulation was Joel playing? > Deep Blue 2 on deep blue 1 hardware, for one thing. The software eval was around for a long time, but it was not used to play gaime so far as I was ever told. It was used purely for tuning the eval by playing over a bunch of games, and "least-square-ing" the total error. I wouldn't begin to guess when I wrote that. However, since I have had the deep thought software evaluation tuning code on my ftp site for years, it was a long time ago to be sure... However, I don't think anyone would attempt to lash that up to a search and play chess, for the reasons I gave you a year or two ago. The software emulation would be way too slow. >-Tom
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