Problems 676 to 678: Vladimir Kozhakin - Fairy (Anti KoKo, KoKo, Einstein Chess)

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Problems 676 to 678: Vladimir Kozhakin - Fairy (Anti KoKo, KoKo, Einstein Chess)

(25.12.2015) Three nice elegant fairy originals by Vladimir Kozhakin.

676. Vladimir Kozhakin (Russia)

677. Vladimir Kozhakin (Russia)

678.Vladimir Kozhakin (Russia)

Anti Koko Chess: a move is legal only if the arrival square is NOT adjacent to any piece, this applies also to the capture of king.

Koko Chess: a move is legal only if the arrival square is adjacent to any piece, this applies also to the capture of king.

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. Every time a piece captures, it gains energy and transforms itself ("is promoted") into the next bigger unit. Kings do not transform. A capturing Queen-move or a non-capturing Pawn-move does not lead to any transformation.There are no promotions. So that you can have pawns on the 8-th rank (where they are stuck). 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!