[Retros] Five retro problems from Stuttgarter Zeitung/Solution

[Elkies, Noam]

keilhack--- via Retros <retros at janko.at> writes:

> [ . . . ]

> Werner Tüngler, Schachfeld 2014, version

> It’s White to move in a position with 5 chessmen. White is winning.
> After a rotation of 90 degrees clockwise it’s a draw [ . . . ]

> Which is the position?
> Solution: a) the original position is wKc7, Bb8, Nf3, bKa8, Bg7.
> Possible last moves are sKa7-a8 b7-b8B+. White is winning.
> b) rotation 90 degrees to the right (wKg6 etc.): 1.Ne2 g1Q+ 2.Nxg1 draw
> [ . . . ] unique solution!

> [ . . . ]

Typo: "Bg7" should be g7 or Pg7.  (German Bauer would be
inconsistent with "Bb5", and for that matter also "Nf3".)
(And of course this solution, unlike that of the 5th problem,
is unique only up to reflection, but that's inevitable.)

Danke,
--Noam D. Elkies