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Subject: Re: Perft breakdown

Author: Dann Corbit

Date: 13:16:19 12/02/03

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On December 02, 2003 at 16:14:40, Georg v. Zimmermann wrote:

>On December 02, 2003 at 14:35:31, Tom Likens wrote:
>
>>On December 02, 2003 at 14:17:03, Dann Corbit wrote:
>>
>>>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.
>>
>>Dann,
>>
>>Do you have current a link to James' webpage?  I'd be interested in looking it
>>over but Goggle can't seem to find a valid link.
>>
>>--tom
>
>Me too, or if anyone could mail Galahad sources .. gvzi@gmx.net

By the way, that's another active US programmer.

I happen to know he is actively working on an AI learning approach with some
success.



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