Author: José Carlos
Date: 14:56:41 01/07/01
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On January 07, 2001 at 09:14:50, Carlos del Cacho wrote: >On January 06, 2001 at 11:57:10, James Swafford wrote: > >>On January 06, 2001 at 10:45:05, Leen Ammeraal wrote: >> >>>In qsearch, when no more captures are possible, >>>I return the material score, including the >>>position evaluation. Should this include >>>some extra points for the side that is to move >>>rather than ignoring this aspect? >>>After all, although there is no time to evaluate >>>any further moves, it is likely that the position >>>will be improved by the side that is to move. >>>I could not detect any improvement of my program >>>when I tried. What is usual in this regard? >>>If a bonus for the side to move is reasonable, >>>how many centipawns should this be? >>>Leen Ammeraal >> >>I've heard of programs that do this - award a bonus for being >>on move. Side to move is, afterall, a part of the position, >>so I guess it's logical to factor that in, but I have no idea >>how valuable that is. >> >>It seems to me that what really matters isn't the fact that >>you can move next, but how much damage you can do with that >>move. Giving some arbitrary value for being on move will >>not adequately "cover" how much "damage" you can do on the >>next move, it just assumes you can somehow improve your >>position. > >Isn't this the same assumption we do with nullmove? I don't think it is. In null-move, you can do _two_ moves in a row, and that's why you can get advantage. >I think it is not such a bad >idea. You can always improve your position unless you're in zuzwang. My guess. But what you say sounds correct. That's why I tried it some time ago but, I didn't notice any improvement... José C. >Greets, >Carlos > >> >>Knowledge like "how many pieces am I attacking?" and "how many >>of my pieces are being attacked?" seems much more valuable. >>And pretty expensive to obtain... >> >>-- >>James
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