Definitions: (click to show/hide)
KoBul Kings: When a piece (not a pawn) of his own side is captured, a King transforms into a Royal piece of the same type as the captured one. When the King is in the form of any Royal piece and there is a capture of one of the pawns of his own side, he becomes a normal King again. Captures are illegal if they result in self-check by the transformed King.
Phantom Chess: Any unit except a king may move either normally (from its current square) or as though from its Circe rebirth square (game-array squares, of the same colour in the case of pieces, on the file of capture in the case of pawns, and on the promotion square of the file of capture in the case of fairy pieces) if the latter is vacant.
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No.1001 Georgy Evseev
Russia
original – 03.02.2016
Dedicated to Diyan Kostadinov
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Solutions: (click to show/hide)
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White Kg8 Qc1
Black Kh2 Rf6 Sh8
hs#3.5 2 solutions (2+3)
Phantom Chess
KoBul Kings
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1...Kh2-g3 2.Kg8*h8[g3=rS] Rf6-g6 + 3.Kh8-h7 rSg3-e4 4.Qc1-e3 + rSe4-f6 # {
}
1...Sh8-g6 + 2.Kg8-g7 Rf6-g8+{display-departure-square}{(via h8)} 3.Kg7-h6 Sg6-f4 4.Qc1*f4[h2=rS] + Rg8-g3 # {
(C+ by Popeye 4.73)}
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In the first solution 2…Rg6 checks the wK via a8. After 4.Qe3+ the rS must go to f6, because d6 is guarded by the wQ via d1. In the mate, h8 is guarded by the bR via a8, and the wK would remain in check after 4.Kxg6(f6=rR).
In the second solution 1…Sg6 results in check to the wK from the bR via h8. The bR then moves to g8 via h8. In the mate the bR attacks the h-file via h8, and the wK would remain in check after 4.Qxg3(h2=rR).
Thank you very much for the dedication Georgy!