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Subject: Re: Iterative alpha-beta search?

Author: Christopher Conkie

Date: 09:44:34 01/12/06

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On January 12, 2006 at 11:13:36, Uri Blass wrote:

>On January 12, 2006 at 10:45:01, Christopher Conkie wrote:
>
>>Am I missing the point here or is there a position with more possible moves than
>>this with 218 legal moves.....
>>
>>[d]R6R/3Q4/1Q4Q1/4Q3/2Q4Q/Q4Q2/pp1Q4/kBNN1KB1 w - - 0 1
>>
>>More than 220? This I have gotta see.....
>>
>>I feel a leg pull coming on.
>>
>>Christopher
>
>diep (unlike Movei) does not generate only legal moves so
>the question of Vincent is not about legal moves but about pseudo legal moves
>
>pseudo legal moves include illegal moves with pinned pieces and illegal moves
>that are moves that put the king in a square that is controled by the opponent
>so it is possible to have bigger number of pseudo legal moves relative to legal
>moves.
>
>Uri

Ahhh OK. Do you think it is possible or do you know it is not?

It is really this bit I like anyway.....

"Diep doesn't search on in illegal positions."

This is not to say that VD is not a good programmer.

Every engine I know of supports some kind of illegal position, how many and of
what type is the only point of contention. Diep is not public, so who cares?
Unless of course Vincent would like to put his money where his mouth is and
release a version......

I hate private engines that are spoken about as though everyone should believe
their programmers about their capabilities.

Show the bone is what I say.....let's see.

That is my challenge to Vincent......I wonder if he has the bottle, you see we
break engines for a living and take a peek inside as you know.

Ready when he is.......

;-)

Christopher




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