[Retros] Full-point non-Zugzwang :-)

[Valery Liskovets]

A nice retro-problem, but what a challenge? I found a list of
endgame papers by Haworth but none joint with Bourzutschky only.

Valery Liskovets

Noam Elkies wrote:


> In response to a challenge suggested by Guy Haworth and Marc Bourzutschky:

>

> White Ke1, Rh1, Bd5, pawns b3,b4,c2,d2,d3,e4,f2,f4 = 11

> Black Kh8, Bh7, pawns a3,a7,c6,c7,d7,f3,g7 = 9

>

>   . . . . . . . k

>   p . p p . . p b

>   . . p . . . . .

>   . . . B . . . .

>   . P . . P P . .

>   p P . P . p . .

>   . . P P . P . .

>   . . . . K . . R

>

> White to move: Black wins

> Black to move: White wins

> But it's not the obligation to move *next* that's at issue...

>

> --Noam D. Elkies

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