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Subject: Re: null move and mate threat

Author: Uri Blass

Date: 17:56:20 10/08/04

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On October 08, 2004 at 20:54:49, Uri Blass wrote:

>On October 08, 2004 at 20:03:43, Zach Wegner wrote:
>
>>I don't know how to get WAC 141 in one second, but I know some things in your
>>code to improve it.
>
>It is very easy to get WAC141 in one second.
>
>Using illogical recapture extensions as Stuart does help but if illogical
>recapture extensions are allowed then there are better ideas.
>
>Use the following special Wac141 extensions.
>
>If root position is identical to 141 root position
>If the first move is c1xf4 then
>do  1 and 2 in the next 2 lines
>1)extend by 1 ply
>2)If the second move is d6xf4 then do 1 and 2  in the next 2 lines
>1)extend by another ply
>2)If the third move is h4xh5 then do 1 and 2  in the next 2 lines
>1)extend by another ply
>2)If the fourth move is g6xh5 then do 1 and 2  in the next 2 lines
>1)extend by another ply
>2)If the 5th move is h1xh5 then do 1 and 2  in the next 2 lines
>1)extend by another ply
>2)If the 6th ply is f4-h6 then do 1 and 2  in the next 2 lines
>1)extend by another ply
>2)If the 7th ply is h5xh6 then
>extend by anpther ply
>
>If you claim that it is cheating then I claim that using counter productive
>recapture extension is also cheating by the same logic.
>
>My special 141 extensions will be triggered only in position 141 and the price
>of one if is very small so practically my extensions will help to solve 141 fas
>
>Uri

I mean that practically it help also to have one more solution in Wac and not
only to solve 141 faster.

Uri



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