Author: Robert Hyatt
Date: 19:54:52 01/27/03
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On January 27, 2003 at 21:22:58, K. Burcham wrote: > > >If we asked any program who it was playing, wouldn't the reply be, >"why what do you mean, I always play against myself, you mean others play chess >too". > >Do any of the programs have code that is not the same for both sides? >in other words when not in analysis mode, and program is playing against a >human, can the values be different for black if black is program. I can't speak for others, but I certainly do this. IE I assume the "human" is trying to block the position up and play for a draw, while the computer should be trying to avoid that to keep it open and play for a win. Chess is not exactly "zero sum" in that regard. :) > >for example, GM vs program. program knows it is playing human GM and knows GM >will play best move to close file. so a value is assigned to this best move to >close file. so this line with this move is not pruned early. program looks at >this line more than if it is in comp vs comp mode. I even have a "list" of "draw-masters" in Crafty, that I use on the servers. When I notice I am playing one of those guys, I ramp up the "don't let things get blocked" code even higher than normal. :) > >I have read about the draw value for chessbase programs, and the explanation by >ED for the anti-human mode. these two are similiar to what I am talking about, >but not exactly. > >so the question is: is the search code and values the same for both sides when a >program is "thinking"? > >kburcham
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