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Subject: Re: What are psuedo-legal moves?

Author: James Robertson

Date: 16:58:50 04/27/99

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On April 27, 1999 at 18:30:16, Peter Kappler wrote:

>On April 27, 1999 at 17:35:15, KarinsDad wrote:
>
>>On April 27, 1999 at 15:35:06, Will Singleton wrote:
>>
>>[snip]
>>>
>>>Amateur doesn't find the move after 2 minutes and 9 ply, liking Be7 with +3.  I
>>>better get busy and try out the single-reply extension.  Problem is, I use
>>>psuedo-legal moves, so I'm not sure how to tell when I only have one reply!
>>>
>>>Will
>>
>>The subject says it all.
>>
>>KarinsDad :)
>
>
>Most simple move generators ignore the status of the king (i.e. is it in check,
>does this move place it in check?) and just generate every possible move in the
>position.  The test for legality is resolved by the search.
>
>--Peter

Also, it is much faster (I think). But, you do have the one reply to check
problems. Crafty generates pseudo-legal moves and has one-reply to check
extensions, I think. How does it handle this?

James



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