Author: Bert Andersson
Date: 11:02:31 12/13/99
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On December 10, 1999 at 11:43:26, Vincent Diepeveen wrote: >On December 10, 1999 at 11:00:17, Bert Andersson wrote: > >>Is there anyone interested in trying to describe our own thinking when playing >>chess? In a language for humans, far away from computers :-) >> >>I have done some work on this and it staggeringly difficult at first. I had to >>define words etc. to get a clear picture of it. And it was hierarchical levels >>involved etc. But all in all I got some very good startingpoints for programming >>a knowledgebased approach in a small slice of the chesspace! >> >>Currently I'm working on programming, which is slow, also because I want to put >>as much knowledge as possible from the beginning. But it is interesting as the >>work gets very broad. I can use Words, graphics and all kinds of sortingprograms >>as well as CASE's, which I haven't got into much because of their difficulty. >>Any ideas? >> >>I just remember that it exist a book on this topic, from -50ies ?!? >>Well, I don't have it in memory. Anyone who has? > >Note that when getting this position diep didn't search very long yet, >so i analyzed by hand. > >It took some time to realize, but after a while i realized that >white wins when he can get a rook to f1 and a rook to the 7th rank. >black is in zugzwang then and has to allow doubling rooks on f1-f7 after >which rf8 mates. > >the main problem is of course to get the rooks position like that without >black being able to just give away its queen or give a perpetual check. > >obviously a program solving this position with egtb will simply show >mate in xxx. DIEP solves it fullwidth searching not very quickly, but >with +20.0 at 15 ply. with nullmove turned on diep is currently searching >in the states somewhere with a lot of hashtables. Will get that log >after the weekend i guess. > >Vincent Interesting, but what position is it? I will post some of my result later. It is a bit work to get clear for others, I think :-) I'm very glad to hear that my interest is shared!!! Bert.
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