Original Problems, Julia’s Fairies – 2013 (I): January – April
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No.226 – h#2,5 by Julia Vysotska – Neutral battery, Chameleons, critical moves… The problem seems to be light and thematic. (JV)
Nightrider(N): A Rider along a straight line on squares lying a Knight`s move away from each other.
Chameleon: On completing a move, a Chameleon (from classical standard type) changes into another piece, in the sequence Q-S-B-R-Q… Promotion may be to a chameleon at any stage in the cycle.
No.226 Julia Vysotska
h#2,5 2 solutions (1+7+2)
Solutions: (click to show/hide)
I. 1…nPf7-f8=ncS 2.cRg1-g6=cQ (2.Sg4?) ncSf8xd7=ncB 3.Sf6-g4 ncBd7-b5=ncR #
II. 1…nPf7-f8=ncR 2.cRg1-g5=cQ (2.Bg4?) ncRf8xf6=ncQ 3.Bd7-g4 ncQf6-f4=ncS #
Neutral battery creation by neutral N and promoted neutral piece. Promotions into two different Chameleons (ncS and ncR). Annihilation of the one black piece, which stands on the thematic line. Critical moves of the black Rg1. Double black self-blocks with anti-dual motivation. Mates through the double checks. (Author)