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Задача 334: Mikitovics & Balasubramanian - Fairy (Swapping Kings, Leo, Locust)

mikitovicsbalasubramanian(07.02.2014) Чудесна миниатюра от вида Помощно-обратен мат от Janos Mikitovics и S.K.Balasubramanian.





334


     1...LEd3 2.Ke3 Ke5 3.LEd5 LOxd5-c4

4.LOxd3-e4(Ke5<=>Ke3) LOxe4-f4(Ke3<=>Ke5)#

     1...LEe3 2.Kd3 Kf5 3.LEc7 LOxc7-b7

4.LOxe3-e4(Kf5<=>Kd3) LOxe4-f3(Kd3=>Kf5)#


1. All fairy pieces (including kings).

2. Exchange of functions between the two white locusts

3. Royal batteries with locusts forming front and rear line pieces with the rear pieces

arriving on the same square vacated by wK.

4. Active sacrifices by both the LEOs.

5. Perfect ODT for all moves.

(Authors)

   Swapping Kings: When the side on-move checks the opposite King, the Kings change places. This is known as the “swap”. A swap is mandatory. The legality of any checking move is evaluated after the swap, except in certain cases involving castling. Castling out-of–check is illegal (wKe1 wRh1 bKe8 bBa5, 1.0-0??). Castling through check is illegal (wKe1 wRh1 bKf8 bBa5, 1.0-0??). Castling into-check is legal (WKe1 WRh1 BKf8 BBa7, 1.0-0!) A King swapped back to its game-array square is considered “reborn” and is eligible to castle.

    Locust: a piece which moves only to capture. It lands on the same squares as a grasshopper, but the arrival square must be empty, because the locust captures its hurdle.

    Leo: Move as Queen, but capture by hopping over a hurdle to any square beyond.

 

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