Author: Serge Desmarais
Date: 18:50:09 08/28/98
Go up one level in this thread
On August 28, 1998 at 08:20:03, Alessio Iacovoni wrote: >On August 28, 1998 at 07:32:07, Ilya P. Kozachenko wrote: > >> >>On August 28, 1998 at 03:02:02, Alessio Iacovoni wrote: >> >>>On August 28, 1998 at 01:18:14, Jeff Anderson wrote: >>> >>>> >>>>> >>>>> Another point is that 2 engines running simultaneously could receive only 50% >>>>>of the CPU time each (or so) and so the tactical engine would not reach the same >>>>>depth as if it was running alone (at least one full ply of even more shorter) >>>>>and so, the evaluation of BOTH programs would be less reliable? Like when you >>>>>make one engine play another in Fritz 5, they are both weaker than when running >>>>>alone. >>>>> >>>>> >>>>>Serge Desmarais >>>> >>>>Well as Mr. Iacovoni suggested, this would require two processors. >>>>Jeff >>> >>> >>>By the way Jeff.. i'm not a programmer but I just read an article on the thread >>>of alt.computers.chess concerning "hsu" and deep blue... apparently his strategy >>>seems very similar... all of the moves are passed to a "unit" of some sort >>>before beeing played. The article is not very clear on what this "unit" actually >>>does. So my idea is not that original.. but at least tha fact that hsu is >>>working in the same direction does show that, at least to some extent, my idea >>>is not to stupid. >> >>BTW, how you would decide, which move - produced by tactical or positional >>engine - it's better to select ? >>It was the point, when discussing of the same idea I posted, finished. > >Ok... the tactical engine comes up with it's best line which it believes will >give it a +0.60. The line (say 10 plies) are passed on to the positional >"blunder check" engine which determins if that line would bring to a postional >weakness.. (doubled pawns for example).. if it would, then it subtracts the - >value of doubled paws (I dont know how much) from the positive value of the >tactical engine (+0.60 - 0.60 for example = 0 so the line is not satisfactory). >The process is repeated as many times as possible untill a line is found which >will reach the highest overall value (tactical and strategical). The >coefficients could be weighted in such a way as to give more importance to the >tactics (I would give tactical value at least 50% more importance than >position... but that has to be decided with trial and error).... In such a way >very strong tactical lines would pass even though they receive a negative value >from the blunder check module (a checkmate +99.9 for example would pass >regardless of the - value attributed by the blunder check module). It seems very >simple to me. I would sound better to me that the tartical engine would do a blunder check on the positionnal engine's move! Serge Desmarais
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