A white Allumwandlung occurs where a white Pawn promotes to the same kind of piece that Black puts en prise for it. In the cyclic form of the theme a white Pawn promotes to a piece of different kind than the one Black puts en prise for it, in cyclic fashion.
See also: Allumwandlung.
Jonsson, Bernt Christer
Uralskij Problemist, A. Ivunin-50 JT, 1997