Author: Vasik Rajlich
Date: 13:54:41 02/23/05
Go up one level in this thread
On February 23, 2005 at 07:28:34, Uri Blass wrote: >On February 23, 2005 at 06:52:07, Vasik Rajlich wrote: > >>On February 22, 2005 at 09:36:38, Peter Berger wrote: >> >>>On February 22, 2005 at 04:47:26, Vasik Rajlich wrote: >>> >>>>The part I don't get here is the "takes the strengths and weaknesses of the >>>>engine into account". Maybe if some amateur engine has a bug, sure - although in >>>>this case - fix the bug. >>>> >>>>I just don't buy this stuff about choosing lines which suit the engine. >>> >>>I used to mostly agree with this point of view, but my tests suggest different. >>>Maybe you just put too much content in this statement, because you compare with >>>human players' styles. >>> >>>As an example: Compared to top professionals Crafty has severe problems with >>>tactics and kingsafety, especially with kings castled in opposite directions. It >>>plays a fine endgame and there is a certain type of late middlegame where it can >>>shine. That's the kind of statement I am thinking about - there are some obvious >>>conclusions for an opening repertoire, no rocket science at all. >>> >>>So, if this is the starting point, you wouldn't choose the Sicilian Dragon as >>>main weapon against 1. e4, would you? An opening that might be fine for other >>>programs. >>> >>>Of course a future version of Crafty might rule in tactics and understand these >>>attacks just fine. Then you will make other choices. >>> >>>This effect is quite measurable. >>> >> >>Actually, this might just have to do with being weaker. All of the amateur >>engines can evaluate simple stuff like general piece centralization & mobility, >>keeping the pawn structure clean, etc. > >Not all of them and there are amateur engines that do not evaluate mobility. >I am not sure what you mean by general piece centralization and if it is >included in piece square structure. > >I am also not sure what do you mean by keeping the pawn structure clean and if >evaluating passed pawn and isolated pawns is enough. > >Uri Mobility, centralization of pieces, bad bishops, rooks on open files, pawn structure - I doubt that one decent engine would really beat up on another one because of smaller things like this. Passed pawns on the other hand can be big ... Vas
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