Original Problems, Julia’s Fairies – 2014 (I): January – April
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No.510 by Thomas Pantalacci – Nice to see KoBul Kings condition and thematic mates! (JV)
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 their result is self-check because of the transformation of the Кings according to KoBul rules. Castling is allowed only if the KoBul King is on his initial square in the form of a normal King and if he has not already moved; however he may already have been transformed. In the case of capture by a King in AntiCirce he is reborn on his initial square and may castle. If the capture is by a King which is in the form of some Royal piece, he is reborn on the initial square of that piece.
No.510 Thomas Pantalacci
original – 07.03.2014
h#2 b) wRe4 (3+5)
Solutions: (click to show/hide)
a) 1.Ra5-f5 Sc4xb6[c8=rB] + 2.rBc8-e6 Be4-d5 #
b) 1.Bb1-d3 Sc4xa5[c8=rR] 2.rRc8-c3 Re4-c4 #
(C+ by Popeye 4.65 and WinChloe 3.24)
Specific pin in the final position of both solutions. (Author)
3.Rxd5? self-check in a) and 3.Bxc4? self-check in b)
So the mates show a clever kind of KoBul pins!