Allumwandlung

In a Allumwandlung (abbreviated AUW ) in a chess composition a farmer is converted (or more ) in all possible characters, so the bishop, rook, bishop and knight in different versions or different trains of the same variant, whereby the type of conversion effect on the approach has. Any transformation in the context of solution approach, the nature of the promoted piece on the later Mattweg has no influence, no Allumwandlung within the meaning of problem chess. This applies not only to white: Also a defensive " Allumwandlung " in which White checkmates in the sequence (and on the same approach, regardless of which character has selected Black ) is no Allumwandlung. In fairy chess a Allumwandlung with fairytale stones is sometimes referred to as super - AUW.

Creating a Allumwandlung a farmer on the same field as a three Züger was one of the great compositional duties of the late 19th century. Composer named Geyerstam, Shinkman, Sherrard and Meyer published from 1882 solutions with various defects. It was only in 1905 realized the Norwegian Niels Høeg the first perfect Allumwandlung, where he had worked for twelve years:

White plays and mates in 3 moves. The key move is 1 f6 - f7 with the variants:

In the second and third cases, the transformation of the peasants would stalemate in a lady, in the past it would, however, be no Matt - the respective sub- transformation is the only solution.

The Allumwandlung can also be carried out successively by different farmers, as in the study by Jan Rusinek.

Allumwandlungen are also included in more demanding subjects and found their culmination in the Babson task.

The word has been adopted as Allumwandlung Germanism in many languages ​​, including English and Russian.