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Subject: Re: For all author of engines that may make stupid tactical blunders

Author: Peter Fendrich

Date: 13:19:09 02/16/05

Go up one level in this thread


On February 16, 2005 at 12:59:51, Uri Blass wrote:

>On February 16, 2005 at 12:13:48, Peter Fendrich wrote:
>
>>On February 16, 2005 at 11:35:39, Uri Blass wrote:
>>
>>>Note first that Movei of today may make stupid mistakes in the middle game
>>>regardless of time because of null move pruning and in case of zugzwang in the
>>>middle game it may blunder.
>>>
>>>In thoery it also may blunder in endgames that are not pawn endgame because of
>>>zugzwang but in that case you need more than one zugzwang in the same line.
>>>
>>>It is not in the top of the priority to fix it today and if somebody want to
>>>encourage me to fix the problem in the future then showing me games when movei
>>>lost because of missing a zugzwang may be productive.
>>>
>>>
>>>
>>>
>>>
>>>If you have an engine X that may do stupid tactical blunders regardless of the
>>>time control that are only typical for it(I am not talking about null move
>>>pruning that is a problem of a lot of engines) then please answer the following
>>>question
>>>
>>>1)What is the reason that you did not fix the stupid blunders that X
>>>does?
>>>
>>>a)It is not easy to fix the problems and you had other priorities.
>>>b)It is easy to fix the problems but it is not easy to do it without
>>>making it slower and the easy solution to fix the problem means
>>>that it will be weaker.
>>>c)refuse to reply
>>>d)another reply
>>I don't have the time. Maybe it's easy, I don't know, but it's not "that" easy.
>>Probably this is answer a) is it?
>>
>>>2)Do you plan to fix the stupid blunders that only X does in a
>>>future version of X (or part of them)?
>>>
>>
>>a)Not in the near future. Probably never. Terra development is finished...
>>
>>>3)In case that you fix the problems or part of them do you plan to
>>>give information that you do it before the release of new version?
>>>
>>a) yes if I do the changes which I probably won't do.
>>
>>>Uri
>>
>>Now to my question to you. Why do you ask?
>>
>>/Peter
>
>Thanks for answering
>I did not know that Terra does stupid tactical blunders that are no problem of
>time.


well, that's of course a matter of definition. Terra does blunders and I have a
vague idea of why.


>
>This is also a problem of Junior
>
>I asked Amir Ban by email and he simply refused to answer about these
>questions(at least he replied my email that is better than simply ignoring it so
>I know that he got my email and my questions).
>
>I was interested to know if there are other engines with similiar problems so I
>can guess better the reasons that Amir does not fix the mistakes of Junior(they
>have small but still positive practical importance and people already posted
>games when Junior lost 1/2 point because of 2 of the problems).

There's a big difference between me that doesn't need any money from my program
and Amir that I suppose live from Junior.
I'm sure his reason is completely different from mine.

/Peter




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