This is a very complicated move pioneered by the great but enigmatic Vavrinec Czukay
. At the 1965 World Championship he unveiled his masterpiece, the Czukay Manipulation
. The details are too involved to go into here. Basically, all sorts of things are done to a chosen and specified line, including recolouring, reflecting, changing all sorts of coefficients, but in such a way that the line emerges from the move unchanged. The result is a move to an otherwise unreachable station.
(The term 'Czukay Manipulation' is generally used to describe any sufficiently elaborate series of game actions that bear a resemblance to the original – the move itself has never been precisely repeated, even outside of tournament play, since 1965.)
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