Fairy chess composition

# No.373 (JV)

 No.373Julia Vysotska (Latvia) Original Problems, Julia’s Fairies – 2013 (III): September- December   →Previous ; →Next ; →List 2013(III) Please send your original fairy problems to: julia@juliasfairies.com

No.373 by Julia Vysotska – Parrying double check to the black King with the one black piece which simultaneously gives mate to the white King. (JV)

Definitions:

PAO(PA): Moves as Rook, but captures only by hopping over a hurdle to any square beyond.

VAO(VA): Moves as Bishop, but captures only by hopping over a hurdle to any square beyond.

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.373 Julia Vysotska Latvia original-10.09.2013   hs#3             2 solutions           (7+7)Take&MakePAO d6; VAO f8Nightriders: d3,e3,e6     Solutions: (click to show/hide)   I. 1.Ne6-c2 Ne3xc2-a3 2.VAf8xa3-e5 Nd3-f4 3.PAd6-d8 + Nf4xd8-d6 # II. 1.Ne6-f4 Nd3xf4-g6 + 2.PAd6xg6-h8 Ne3-c4 3.VAf8-d6 + Nc4xd6-f8 # (C+ by Popeye 4.63 and WinChloe 3.24)   The main theme is parrying double check to the black King with the one black piece which simultaneously gives mate to the white King. White N opens line for the black Bishop and is sacrificed to the black N to attract it to the the squares where it is sacrificed to the white VAO/PAO. Reciprocal play of two black Ns: one of them captures the white N with Take&Make effect and is sacrificed to the white VAO/PAO;  another one parries double check given by the play of the white battery VAO/PAO or PAO/VAO, capturing one mating piece and closing line for another mating piece, simultaneously giving mate to the white King. Reciprocal play of the white VAO/PAO: one of them captures black N moving to a position of the battery rear piece, using Take&Make effect;  another one plays as battery forward piece, and is captured by the black N to avoid mate. Umnov theme on the mating move. Model mates. (Author)

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Geoff Foster
September 11, 2013 11:35

In each solution the first 1.5 moves are used to get the vao/pao to the desired square. In the process one of the black nightriders is sacrificed. This is a very clever way to get a Zilahi! I like how the black nightriders make matching moves on B2. In the first solution 2…Nf4 must be played, because 2…Nb7? would pin the pao! In the second solution 2…Nc4 must be played, because 2…Nf5? would check the white king!

September 11, 2013 12:25

This instantly reminded me of Petko Petkov’s 4th Prize in StrateGems 2011 tourney (judged by me, that is why I remember it). See the award at the SG website.

Very good rendering of the idea nevertheless!

September 11, 2013 19:17