Author: Janos Keinrath
Date: 10:03:06 04/20/04
Go up one level in this thread
On April 20, 2004 at 12:52:38, Dieter Buerssner wrote:
>On April 20, 2004 at 12:35:06, Janos Keinrath wrote:
>
>>Here is a position, where you can test your engine zugzwang detection.
>
>Yes
>
>>8/8/8/2p5/1pp5/brpp4/1pprp2P/qnkbK3 w - -
>
>Yace PB:
>
> 1410531 1.835 0.00 31t 1.h4 Qa2 2.h5 Qa1 3.h6 Qa2 4.h7 Qa1 5.h8=Q Qa2
> 6.Qh4 Qa1 7.Qh8 {-2680}
> 1412641 1.839 Mat15 31++ 1.h3 Qa2 2.h4 Qa1 3.h5 Qa2 4.h6 Qa1 5.h7 Qa2
> 6.h8=N Qa1 7.Nf7 Qa2 8.Ne5 Qa1 9.Nd7 Qa2
> 10.Nxc5 Qa1 11.Na4 Qa2 12.Nb6 Qa1 13.Nxc4 Qa2
> 14.Na5 Qa1 15.Nxb3# {-2681}
> 1413721 1.846 Mat15 31t 1.h3 Qa2 2.h4 Qa1H 3.h5H Qa2H 4.h6H Qa1H 5.h7H
> Qa2H 6.h8=NH Qa1H 7.Nf7H Qa2H 8.Ne5H Qa1H
> 9.Nd7H Qa2H 10.Nxc5H Qa1H 11.Na4H Qa2H 12.Nb6H
> Qa1H 13.Nxc4H Qa2H 14.Na5H Qa1H 15.Nxb3#H
> {-2681}
> 1413978 1.846 Mat15 31. 1.h3 Qa2 2.h4 Qa1 3.h5 Qa2 4.h6 Qa1 5.h7 Qa2
> 6.h8=N Qa1 7.Nf7 Qa2 8.Ne5 Qa1 9.Nd7 Qa2
> 10.Nxc5 Qa1 11.Na4 Qa2 12.Nb6 Qa1 13.Nxc4 Qa2
> 14.Na5 Qa1 15.Nxb3# {-2681}
>
>BTW. The position was discussed earlier, here. You can find the discussion with
>the search engine, although it is not really straight forward to search for
>FENs.
>
>Paste the FEN to the search expression, and replace every "/" by a space works
>typically.
>
>Regards,
>Dieter
Yes, you are right, this is an old position.
I've first saw this position many years ago in the
Computerschach und spiele magazin.
Recently was some null-move thread here and
I checked this position again with some engine.
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