Julia Vysotska


Original Problems, Julia’s Fairies – 2014 (III): September – December

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No.646 by Julia Vysotska – Imitator and nQ – mate by the one neutral piece in two phases! (JV)


Imitator(I): Every time a piece moves an Imitator (or a set of Imitators) moves simultaneously in an identical manner. An Imitatorcannot move of itself. If an Imitator cannot imitate the move of a piece, the move is illegal. An Imitator may only pass through or enter an unoccupied square and cannot move off the board. Castling is imitated by decomposing into a King move followed by a Rook move. 

No.646 Julia Vysotska

original – 19.11.2014

Solutions: (click to show/hide)

White Kg8 Black Kc1 Ph7 Pc4 Pe2 Ph2 Neutral Qd3 Id5

h#2              b) Kg8→f4      (5+1+1n)
Imitator d5

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peter harris
peter harris
November 21, 2014 10:31

Good idea to have a nQ to be the mating piece. It too is subject to the restrictions placed upon the bK. Alas for Black in the final positions the nQ can only move towards the bK – diagonally in (a) and horizontally in (b).

shankar ram
shankar ram
November 21, 2014 16:57

Very nice ODT – WK locks in the imitator to a corner, while also activating the neutral Q.

November 21, 2014 21:04

Nice problem. Julia thinks up a neat way of mating with a neutral piece! I have just one doubt… is the problem a miniature? I hope that experts will find an acceptable answer !