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Задача 853: Franz Pachl - Fairy (Nightrider, Camel, Zebra, Half-neutral, Take & Make)
franz.pachl(31.10.2017) Нова страхотна феерична задача от Franz Pachl в типичен за авторът стил!
a) 1.nhCAb7-c4=bh nhZd2xb5-d5=wh 2.Ke4xd5-f8 nhNe3xc4-d7=wh#
b) 1.nhZd2-a4=bh nhNe3xc4-d4=wh 2.Ke4xd4-f8 nhCAb7xa4-c7=wh#
c) 1.nhNe3-g4=bh nhCAb7xe6-e5=wh 2.Ke4xe5-f8 nhZd2xg4-c6=wh#
Nightrider (N): a rider along any straight line of S moves.
Camel (CA): a (1,3/3,1) leaper, e.g. a1>b4 or a1>d2.
Zebra (Z): a (2,3/3,2) leaper, e.g. a1>d3 or a1>c4.
Take & Make: Every capture ("take") must be complemented by a further step ("make": not a capture) by the capturing piece, using the movement of the captured unit, otherwise the capture is illegal. Pawns may not end up on their own first rank. Captures on the promotion rank lead to promotions only if the pawn is still on the promotion rank after the "make" part of the move. Promotions at the end of the "make" element are normal.
Half-neutral piece: Piece which can exist in black, white or neutral state and changes its state by the rules:
A piece in the neutral state may be moved by Black or White, and after move it changes into black or white state respectively.
A piece in the white state may be moved only by White, and after move it changes into its neutral state.
A piece in the black state may be moved only by Black, and after move it changes into its neutral state.
Only a half-neutral pawn can promote into half-neutral figure.
Additional features of half-neutral pieces:
Castling with half-neutral King is possible with hK in white phase on e1 (White castling) and hK in black phase on e8 (Black castling). After castling the hK becomes half-neutral phase and can become mate.
A play is possible also with only one half-neutral King on the board (in white, black or neutral phase).
By the notation: “h”=half-neutral piece, states are marked with “w”(white), “b”(black) and “n”(neutral).

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