Julia's Fairies

No.400 (JV)

Julia Vysotska (Latvia)


Original Problems, Julia’s Fairies – 2013 (III): September- December

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2013-09-16 16.15.36No.400 by Julia Vysotska2 half-batteries, 2 batteries, 2 pairs of pieces reciprocally change their functions! I congratulate all of us with the 400th original problem published in Original Problems section of Julia’s Fairies!

For me this problem has one more meaning – it’s my 100th composed problem! I’m happy to dedicate it to my dear composition teacher, GM Petko A. Petkov !  (JV)


Nightrider(N): A Rider along a straight line on squares lying a Knight’s move away from each other.

Take & Make: Having captured, a unit must immediately, as part of its move, play a non-capturing move in imitation of the captured unit from the capture-square. If no such move is available, the capture is illegal. Promotion by capture occurs only when a pawn arrives on the promotion rank as the result of a take&make move. Checks are as in normal chess: after the notional capture of the checked K, the checking unit does not move away from the K’s square.

No.400 Julia Vysotska
Dedicated to Petko A. Petkov!
hs#3             2 solutions            (5+9)
Nightriders: Na5, Na7
Solutions: (click to show/hide)

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Peter Harris
Peter Harris
October 27, 2013 14:37

There is a White half-battery and a Black half-battery.

In each solution [using in turn the two components of each half-battery] the following occurs:

The wK and the bB each capture a half-battery piece and [using t&m] align themselves so that a Black battery is formed on a new line, with the remaining Black half-battery piece being the firing piece.

This sets the scene for the denouement: the remaining White half-battery piece fires to give check from a position that allows the Black battery forward piece to capture it and parry the check [using t&m] but alas giving mate as well.

Wonderful problem Julia.

S. K. Balasubramanian
S. K. Balasubramanian
October 27, 2013 15:18

Change of half battery to two full batteries with one of the original half battery pieces acting on its original square as a front line piece but on a different line. Exchange of functions between 2 pairs of pieces Na5/Na7 & Se4/Rf3. Beautiful problem well deserving its place as 400th problem.

October 27, 2013 16:16

Wonderful problem showing transformation of battery (doubled)! Fitting tribute to Petkov.

Diyan Kostadinov
November 6, 2013 23:52

The idea of transformation of the black half-battery into new batteries on different lines is very nice. I am always feel good when see the Julia’s fresh ideas. And nowadays she have also excellent technical skills, so now almost all her problem are great. Well done Julia! Keep going!

Bartel Erich
Bartel Erich
November 25, 2015 11:58

in der Kürze liegt die Würze.
Deshalb: großartig!

Bartel Erich
Bartel Erich
November 25, 2015 12:12
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