[Retros] Benko (and Nunn) proof games on chessbase.com

[Daniel Sottile]

I can't see the mirrors... ¿which are the two mirrored?

Thanks,
Daniel.


On Sun, Jan 16, 2011 at 05:24, Joost de Heer <joost at sanguis.xs4all.nl>wrote:


> On 01/16/2011 06:40 AM, Noam Elkies wrote:

>

>> Today's chessbase.com news brings three belated "Christmas puzzles" by

>> Pal Benko<http://chessbase.com/newsdetail.asp?newsid=6943>, of which

>> two are homebase/deletion/erasure proof games in 4.5 that I don't

>> recall seeing before (though inevitably the ingredients are familiar):

>> -Ng1 -Pe2 / -Nb8;  -Ng1 -Pd2 -Pe3 / -Ng8.  These are surely short enough

>> to have been found by Labelle's computer searches, but were they noticed

>> before that?

>>

>

> http://wismuth.com/chess/diagrams/at-home09-sol1.txt

>

> Does this webpage count as a publication?

>

> The second is a mirror of the famous Mortimer/Frolkin proofgame (see

> https://secure.wikimedia.org/wikipedia/en/wiki/Proof_game), the extra

> tempo doesn't merit a new version, IMO.

>

> Joost

>

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