Author: Melvin S. Schwartz
Date: 19:56:28 07/24/99
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On July 24, 1999 at 21:18:38, Mark Young wrote: >On July 24, 1999 at 19:22:26, blass uri wrote: > >>I do not know enough about chess to decide if the moves a4 and h4 are the right >>moves. >> >>It is clear that my hiarcs evaluated a4 as not the best move after 3 hours and >>prefered Rf1 but it only proved that my hiarcs believed after a long time that >>a4 is not the best move(Hiarcs7 may be wrong in this evaluation so it does not >>prove that a4 is not the best move). >>I do not know enough about chess to know which move is really best in the >>position. >> >>I do not see a problem with the fact that another hiarcs has another opinion >>because of the following possible reasons: >>1)another hiarcs may have another learning file >>2)Hiarcs is not deterministic > >You are correct Hiarcs is not deterministic, as you know my hiarcs 7.32 sticks >with a4 after 3 hours and depth 12. But the issue never was would hiarcs 7.32 >play another move. That issue only came about because this is what Mel based his >opinion on that a4 must be a blunder because other ____________________________ I do not consider what I say is a bad move to mean the same thing as a blunder. A blunder changes the position dramatically. A bad move is simply a poor choice when there is a better move. It is not because my other programs felt a4 was bad that I said what I did. I stated a4 was a bad move because Hiarcs refused to play it again and insisted on Rf1 with a better score. In my opinion, if a program selects one of two moves that results in a clearly better score, then the other move must be considered a bad move for the program would not repeat it. I believe that is quite logical thinking. ___________________ programs don't play it and >because hiarcs is not deterministic it choose another move when mel forced it to >think on the position again. Then came to the mistaken conclusion hiarcs 7.32 >did not play a4 again because its leaning fuction saw it as a mistake. Then he >takes this mistaken canclusion about this position as proof that Hiarcs 7.32 is >not that good. When the facts are he never looked at the position himself and >has no idea if a4 is good or bad in fact. Very reckless..... ____________________ There was no need for me to look into why Hiarcs would not repeat a4 when it is quite apparent from the better score it gave with Rf1 was evidently a function of the learning process - a logical conclusion based on what the program evaluated and insisted on playing. If it wasn't the learning function that prohibited a4 from being repeated, then I must assume Hiarcs is one dizzy program. :) _______________________________> >> >> >>About the second position: >>7k/6p1/7p/pR6/1p2N3/6P1/2r4P/6K1 w - - 0 1 >> >>I think that h4 is leading to a draw and the same for Nc5 >>It is easy for white to get draw after Nc5 Ra2 (for example Nb7 a4 Rxb4 a3 >>Ra4 Rb2 Rxa3 Rxb7) >> >>white do not have to play Nb7 but I do not see a way for white to make progress >>in a different way. >> >>Uri
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