Julia's Fairies

No.733 (PE&SD)

No.733 
Paz Einat (Israel) &

Stephan Dietrich (Germany)

Warm welcome to Paz in Original problems section of JF!

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Original Problems, Julia’s Fairies – 2015 (I): January – June

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No.733 by Paz Einat & Stephan Dietrich – Surprising AUW with Functionary Chess! (JV)


Definitions:

Functionary chess: A piece can move only if it is threatened.


No.733 Paz Einat & Stephan Dietrich
Israel / Germany

original – 23.02.2015

Solutions: (click to show/hide)

white Ke3 Qg8 Pb2c5d2e2f3 black Kd7 Qb1 Bc7 Pe7g7

h#5                Duplex               (7+5)
Functionary chess


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Luce Sebastien
Luce Sebastien
February 23, 2015 22:44

Interesting presentation in Duplex. Good idea !
SL

seetharaman
seetharaman
February 24, 2015 07:31

Since both BQb1 & WQg8 cannot move (as they are not threatened), can they threaten the opposing piece(s) ? 🙂

Kjell Widlert
Kjell Widlert
February 24, 2015 13:15
Reply to  seetharaman

The term “observed” is actually better than “threatened”.

In Functionary Chess (Beamtenschach to the Germans), a piece that is not observed by a piece from the opposite side cannot move – but it can still observe!

seetharaman
seetharaman
February 24, 2015 19:07
Reply to  Kjell Widlert

Thanks you! I think ‘observed’ is apt here.

Michael Grushko
Michael Grushko
February 26, 2015 08:34

W Kc5, Rg8, Pb2, Pc4 (4)
B Kd7, Rb1, Bc7, Pe6, Pe7, Pg7 (6)
h#5 Duplex (4+6)
Functionary chess
C+

Paz
Paz
February 26, 2015 09:34

This version doesn’t seem to work. In the W to play part there is always 6.Kb4 or Kb5 that cut off the observation of the rooks.

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