Author: Johan de Koning
Date: 00:03:12 09/23/03
Go up one level in this thread
On September 22, 2003 at 02:32:34, Tim Foden wrote:
>I think these positions might behave like smaller versions of the full thing...
>
>[d] 8/1pppppp1/8/8/8/8/1PPPPPP1/8 w - -
>
>GLC thinks this is a win... d4 Mate in 15.
Hmmm..., my program (named JJ.EXE :-) proved it a draw.
Then I added en passent.
Now it says it's a mate in 14.
098.81 75M346 D21 +4 : d4,d5 f3,b6 e4,dxe4 fxe4,b5 b4,c6 g3,f6 g4,g6 e ...
184.33 140M189 D23 +212 : d4,d5 f3,g6 e4,dxe4 fxe4,f5 exf5,gxf5 b4,e6 b5, ...
279.30 212M443 D25 +9973 : d4,d5 f3,b6 e4,dxe4 fxe4,b5 c3,e6 e5,c6 b4,f6 e ...
377.94 286M689 D27 +9973 : d4,d5 f3,b6 e4,dxe4 fxe4,b5 c3,c6 b3,g6 c4,bxc4 \
bxc4,f6 c5,e6 d5,exd5 exd5,cxd5
0000011111 1111222222 22222222:: :::::::::: :::::::::: :::::::::: ::::::::::
0357912456 7899011222 23222210:: :::::::::: :::::::::: :::::::::: ::::::::::
So by adding e.p. I removed the 1 known bug, but we still don't agree. :-(
Unfortunately we don't know the number and nature of the unknown bugs. :-)
.. Johan
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