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Subject: Re: Perft breakdown

Author: Dann Corbit

Date: 11:17:03 12/02/03

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On December 02, 2003 at 07:55:04, Georg v. Zimmermann wrote:

>On December 02, 2003 at 03:01:21, Dann Corbit wrote:
>
>>Does anyone have a perft breakdown by move type (chessman moved)?
>>Does anyone have a perft breakdown by capture/non-capture?
>>How about special operations like e.p. capture, promotion, checks?
>
>hi dann,
>
>i am currently redoing a new program from scratch, perft() is next to implement
>this week. If not too many moveGen bugs turn up I should be able to get you the
>move type information Tom has not already provided. Unless of course someone
>else is faster :)
>
>What do you need it for ?

I am helping another guy with his chess engine, and I wanted to be able to
analyze exactly what is going on.  I don't have those counts in mine, and I
thought it would be faster to just get the numbers than to implement it in mine
and then in his.  At some point, I think I will add it, since it is nice for
debugging the move generator.

He has a wonderful move generator (in fact, it is very similar to mine, and I
never showed it to anyone.)  After I figured out what he was doing, I was pretty
surprised, since nobody else does it in the same way.  I think probably both of
us got our original ideas from James Swafford's site, and so the similarities
are somewhat natural.  But certain features he has added are something I thought
that only I had considered.  I have a few more additional features, which I am
trying to talk him into adding to his engine.




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