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Задача 329: Janos Mikitovics - fairy (Swapping Kings, Locust, Anti Einstein Chess)

mikitovics(31.01.2014) Помощен-обратен мат с добър контрастен близнак и посвещение от Janos Mikitovics от Унгария.





329.1

    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.

    Anti Einstein chess: every time a piece moves (without capturing), it "loses energy" and transforms itself ("is demoted") into a smaller unit, one step down the ladder from Queen to Rook to Bishop to Knight to Pawn. Kings do not transform. A non-capturing Pawn-move does not lead to any transformation. You can also have pawns on the 1st-rank (after a non-capturing Knight move): these pawns can make a single, double or triple step forward. After a double or triple step, they can be captured en-passant by an enemy pawn on the 3rd or 4th rank. After a triple step, en-passant capture can take place on two different squares!

    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.

 

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