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Subject: Re: annoying en passant x-ray

Author: Georg v. Zimmermann

Date: 03:06:41 12/01/03

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i already knew your excellent page, but might have forgotten there was this ep.
position also, thanks.

Georg


On December 01, 2003 at 00:36:11, Peter McKenzie wrote:

>On November 30, 2003 at 17:18:19, Georg v. Zimmermann wrote:
>
>>[b]8/8/8/8/3R1p1k/8/4P3/6K1 w - - 0 1
>>
>>white moves pawn, black can not capture en passant. wonderfull, breaks my new
>>move generator.
>>
>>Uri, I think you are the expert on this. Ideas for workarounds ? :-)
>>
>>But the main reason I am posting is: are there any other situations like the
>>above where I can with one move move 2 pieces out of the way of an x-ray attack
>>?
>>
>>Georg
>
>I didn't bother to try fixing your diagram but I think I can guess what you're
>talking about.  In which case you might be interested in this link (look at the
>last position) to help you test whatever fix you make:
>
>http://homepages.caverock.net.nz/~peter/perft.htm
>
>cheers,
>Peter



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