Author: Vasik Rajlich
Date: 02:44:17 01/14/06
Go up one level in this thread
On January 13, 2006 at 12:31:12, Fernando Villegas wrote: >I have the idea that the core of this business is to see which sub-set of >heuristic are relevant to such or such position. To know what knowledege is >irrelevant is the key of real knowledge. >It is clear that when, as a human player, you feel that attacking the king is >the thing to do, due to the overall position, you make like Alexander Tolush did >and any master does, that is to say, you look for tactical knock out. Tolush >used a witty sentence: "I look for a way to sacrifice the queen; if I do not >find one, then and only then I look for more quiescent moves...." >If you smell a mate attack against black it would be silly to expend time >considering the positional outcome of playing a3. >But on the contrary, if you does not see nothing in the realm of king side >attacks, the thing to do is becoming positional and not calculate sacrifices and >wild attacks. >Every seasoned chess player do more or less that. >I suppose Rybka do that. >I believe it has some kind of monitoring set of codes lines to decide if going >for tactics of keeping positional. >If not, perhaps it should has :-) > >My best >fernando Yes, I believe in this, but you need a very good static evaluator if you want to act with confidence. In the Beta 10 there is a parameter called "Search Focus" which controls Rybka's behavior along these lines, but it is all extremely conservative compared to how it should be. Vas
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