Author: blass uri
Date: 02:43:20 03/19/00
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On March 18, 2000 at 21:40:56, Fernando Villegas wrote: >Re-reading an old book by Eugene Znosko-Borovsky -How not to Play Chess- I not >only realized that, in fact, I learned very well the lesson how not play it, but >also I picked up this, that sounds to me like just another reason to make a >program with dual engine, one for tactics and one for strategy. Let me quote: >"When there is no clear forced win in sight, then you must do all that yopu >posiibly can to streghtten your pieces, ie, your position..." >In fact, that's the way strong players do the job: first looking for something >tactical, then if nothing of the sort is found, looking for something quiet to >improve his position. In each case they aply -probably unsconciously- different >way of thinking. Programs, on the contrary, had merged in only one code -with >excepcions I suppose: I understand that christophe's Tiger has a lot of modules >to different situations- tactics and "knowledge" and so they does not optimize >neither of those aspects. Or, like CSTAL, they fall in tactical deadly ravines >due to lack of search because heavy amount of knowledge code and so some >sloweness, or they miss the point even if they go very deep in the position, >like happens to many fast searchers. So, I insist: why not a dual approach? You >win time if tactics are the issue, not encumbered by positional stuff, but you >get also better play if tactics are not relevant and so you go to the strategic >module. Why not? >fernando Because it is not so simple It is not clear that program can see more tactics by using a tactical engine for half of the time relative to the original engine. It is not clear that using the positional engine for less time going to give better positional game because it is possible to find good positional moves by search. Uri
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