Julia Vysotska (Latvia)
Original Problems, Julia’s Fairies – 2013 (III): September- December
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No.400 by Julia Vysotska – 2 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)
I. 1.Na7-b5 Se4-g3 2.Kg2xg3-h5 Bc6xb5-d1 3.Na5-e3 + Rf3xe3-a5 #
II. 1.Na5-b7 Rf3-f1 2.Kg2xf1-b1 Bc6xb7-f5 3.Na7-c3 + Se4xc3-a7 #
(C+ by Popeye 4.63 and WinChloe 3.24)
The initial black half-battery transforms into two new black batteries created on the different lines. Active white King.
Two pairs of pieces reciprocally change their functions!