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Subject: Re: to melvin and mark

Author: Mark Young

Date: 20:27:06 07/24/99

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On July 24, 1999 at 22:56:28, Melvin S. Schwartz wrote:

>
>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. :)
>_______________________________>

Its not the program that is dizzy. :)


>>>
>>>
>>>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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