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Subject: Re: One mate to solve...

Author: leonid

Date: 19:40:55 05/09/01

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On May 09, 2001 at 20:48:58, Paul wrote:

>On May 09, 2001 at 19:45:59, leonid wrote:
>
>>Paul, can you explain in more details what you have in your mate solving part,
>>or how it was written?
>
>Hi!
>
>Well, it's not mate solving what I do, but mate finding, right? You & Heiner do
>the mate solving! Mine just gives an indication of what is possible, while you
>and Heiner prove (solve) it.

This sound to me as the same thing. Your program say to you that mate was found
without executing it in graphics. Graphics is always parallel part of every
program, where first goes inner thinking and later its graphic representation.
Sometime all this graphics is nothing more but letters and numbers that could be
later changed.

>I'm just experimenting with various extensions & other search criteria that help
>in finding mates faster. They are built into the alpha beta search that I do. I
>wouldn't know where to start explaning, because I really don't know what you do,
>our programs seem to work pretty different, right? I have no idea what to tell
>you.

I ask this just by curiosity since everybody have its own idea about what in
each code is basic. Sometime very simple and already well known ideas could
reverberate in your mind in some new way. Even those new ideas that are nothing
but old one that impressed you when seen under new angle or light.

>If you want to know what you can improve in your matesolver, you should look
>into the Chest sources, they are well commented. If you don't read C, you can
>already get ideas from the comments alone!

It is more general curiosity that any other thing. I know by experience that the
most important in writing the code is nothing more but free time. Be able to try
one idea after another. Generally, I don't have that much time. It is only when
I was practically jobless, or worked from my home, that I wrote the best and the
most difficult part of my solver. These last month I happened to stay a lot at
home. This is why I am so much in my programming and mate positions creation. It
could be that in the next week I will have no time for my code. I hope to finish
at least with few improvement that look very promissing.

Biggest part in my writing is not even that much writing the new code as finding
through statistics that new way give some time improvement. I suspect that it is
true for many other people.

>I'm sorry for being evasive, but it's a bit of a difficult question.

It is OK for me.

Leonid.

>Paul



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