No.896
Stephen Emmerson (England)

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Original Problems, Julia’s Fairies – 2015 (II): July – December

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Please send your original fairy problems to: julia@juliasfairies.com


roses-100No.896 by Stephen Emmerson – Non-standard problem, 2 in 1, with paradoxical content and exotic pieces! I sincerely thank Stephen for the dedication! (JV)


Definitions:

Hurdle color changing hopper: Hopper that change color of its hurdle (excluding King) after move.

Grasshopper(G): Moves along Q-lines over another unit of either color to the square immediately beyond that unit. A capture may be made on arrival, but the hurdle is not affected.

Sparrow(SW): Moves like a Grasshopper ((0,1)+(1,1)Hopper , but deflects 135° either way on passing over the hurdle. The arrival square is adjacent to the hurdle.

Moose(M): Moves like a Grasshopper ((0,1)+(1,1)Hopper , but deflects 45° either way on passing over the hurdle. The arrival square is adjacent to the hurdle.

Eagle(EA): Moves like a Grasshopper ((0,1)+(1,1)Hopper), but deflects 90° either way on passing over the hurdle. The arrival square is adjacent to the hurdle.


No.896 Stephen Emmerson
England

original – 16.09.2015
Happy birthday Julia Vysotska!

Diagram

black kd4 ke4 black HurdleColourChanging gd3 swb2 ead2 mc1 eag4 ge3 mg3 swf2

(LEFT)        h#4    (0+5)      (RIGHT)
Hurdle color changing hoppers:
Grasshopper d3, e3
Sparrow b2, f2
Moose c1, g3
Eagle d2, g4

Solution J (Left):

Solution V (Right):


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shankar ram
shankar ram
September 17, 2015 04:18

A picture problem -“JV”!
To get 2 accurate h#4 sequences with ideal mates is amazing.
Usually, the content in picture problems is just so-so.
Fine achievement by Stephen!
Also interesting is that the py2web animation works, without disturbing the other half!

shankar ram
shankar ram
September 17, 2015 04:49
Reply to  shankar ram

Black starts by changing one of the hoppers to W.
Then uses his 3 remaining moves to walk his K to the board edge.
W uses his 4 moves to change the colour of the other 3 hoppers… and mate!
In the final position, the mighty sparrow guards 3 squares, while the moose, eagle and grasshopper guard 1 each!

shankar ram
shankar ram
September 17, 2015 11:38
Reply to  Julia

Actually, in the “Left” solution, the Sparrow does cross the border (Black’s first move) and then re-crosses back (White’s third move). But, like I said, it doesn’t disturb anything, since the square e2 is empty!

shankar ram
shankar ram
September 17, 2015 12:08
Reply to  shankar ram

Sorry! It’s the Moose which wanders off and returns, not the Sparrow!

seetharaman
seetharaman
September 19, 2015 19:55
Reply to  Julia

Yes. This is nice!