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Subject: Re: reuse Last Ply Moves In Move Gen ?

Author: Uri Blass

Date: 06:30:45 04/12/02

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On April 12, 2002 at 09:14:22, Oren Avraham wrote:

>I've gone through the archive to look for a simple idea
>but found non:
>Why every ply should i generate the pseudomoves all over again, when i can
>"recycle" the old ones in some way or another.

You do not have to generate the pseudomoves all over again.
I believe that programmers are usually not very good programmers
so they choose to do it because recycling
the old ones without bugs is too hard for them or takes
too much time that they prefer to invest time in other things
because they may get only a small speed improvement from
recycling the old moves.

>If it is done somewhere: how ? (what are the 'thumb rules' to update the old
>moves...")
>
>10x (Thank Tou) in advance Oren. (p.s i'm an 18 years old IDIOT who makes a
>chess program in PROLOG...)

I do not think that you are an idiot.
They are a lot of good ideas that are not used by the top
chess programs.

This is the main reason that I also chose to make
a chess programs in C.

My program also does not use today most of my ideas
but the problem for me is not thinking about good ideas but
explaining them to the computer.

I believe that other programmers are better than me in this task
but I do not want to discuss about my ideas because I do not
like the idea that my program is going to lose
a possible advantage relative to other programs.

Uri



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