Author: Robert Hyatt
Date: 19:37:52 01/09/01
Go up one level in this thread
On January 09, 2001 at 16:51:08, Hermano Ecuadoriano wrote: >On January 08, 2001 at 11:42:40, Robert Hyatt wrote: > >>On January 08, 2001 at 10:42:36, Uri Blass wrote: >> >>>On January 08, 2001 at 10:34:38, Uri Blass wrote: >>> >>>>On January 08, 2001 at 10:09:34, Vincent Diepeveen wrote: >>>> >>>>>On January 08, 2001 at 10:02:44, Uri Blass wrote: >>>>> >>>>>>On January 08, 2001 at 08:12:25, Vincent Diepeveen wrote: >>>>>> >>>>>>>On January 07, 2001 at 20:57:46, Ricardo Gibert wrote: >>>>>>> >>>>>>>>One well known rule of thumb is: It is often a bad idea to grab more material >>>>>>>>when already ahead in material. >>>>>>>> >>>>>>>>For instance, when I play, I generally avoid increasing my material advantage >>>>>>>>unless it does not cost me anything (time, structure, open lines for opponent, >>>>>>>>etc.) to do so or I have nothing else to do that is constructive. >>>>>>>> >>>>>>>>In fact, a reasonable rule of thumb for open positions might be: The 1st pawn >>>>>>>>grabbed is worth 3 tempi, but the 2nd pawn is only worth 1 tempo. Something I >>>>>>>>observed while I studied some of Morphy's games. >>>>>>>> >>>>>>>>My question is: Do any programs take this into account or do they all consider >>>>>>>>the 2nd pawn they grab to be as valuable as the 1st? >>>>>>> >>>>>>>why do you assume all programs are preprocessors? >>>>>> >>>>>>I did not read this assumption. >>>>>> >>>>>>Uri >>>>> >>>>>He says: "if you make a move capturing a second pawn" >>>>> >>>>>So his way of seeing a positions evaluation is move based. >>>> >>>>I think that he meant that if you increase your material advantage from 1 pawn >>>>to 2 pawns and it is not move based. >>>> >>>>Uri >>> >>>I mean that he meant to say that the positional advantage should not be added >>>linearly. >>> >>>It means that if you see that white has 1/2 pawns positional advantage for >>>reason A and 1/2 pawns positional advantage for reason B the total advantage is >>>more than 1 pawn. >>> >>>Uri >> >> >>This is the way my king safety works, for example. > >If you had any use for market saavy at this point, you could call the bonus >"synergy", which it is in fact. I prefer a more "technophobe" type of term: third order evaluation term. :)
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