Author: Tom Kerrigan
Date: 09:45:45 08/14/98
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Ooops, got my books confused. I guess I meant "How Computers Play Chess." Sorry 'bout that. -Tom On August 14, 1998 at 11:04:50, Bruce Moreland wrote: > >On August 14, 1998 at 07:53:51, Tom Kerrigan wrote: > >>Sounds logical, but I recall a graph in "Chess Skill in Man and Machine" (one of >>the few interesting/useful things in the book...) that showed 1 ply = 200 rating >>points, up through Deep Thought. >> >>Of course, using this rule of thumb to compare two programs in the same "era" is >>fairly pointless, but I think that over long periods of time, the rule of thumb >>may still hold true. > >My copy of this is copyright 1977, updated in 1983, which predates Deep Thought. > >If you are referring to the chart on page 209 of the updated edition, in the >chapter by Condon and Thompson, this work has come under something of a pall >because it was based upon matches between the same program running at depth D >and D-1. > >The book itself is old, and contains at least one pretty goofy chapter (chapter >8), but there is some stuff about Belle, Chess 4.5, and a chapter by Newborn >that contains some cool king and pawn endgame positions. > >bruce
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