Carl August Stetefeldt (born in Holzhausen, near Gotha, Germany, 28 September 1838; died in Oakland, California, 17 March 1896) was a United States mining engineer.
Essentially a pair of Holzhausen interferences (or a Wurzburg-Plachutta interference) brought about by a white sacrifice on the critical square.
Holzhausen, Saxony-Anhalt, a municipality in the district of Stendal, Saxony-Anhalt
The Plachutta is related to a number of other problem themes: it can be regarded as a Würzburg-Plachutta brought about by a white sacrifice on the critical square (a Würzburg-Plachutta itself being a pair of Holzhausen interferences); or it can be thought of as a Novotny with similarly moving (rather than differently moving) black pieces involved (a Novotny itself being a Grimshaw brought about by a white sacrifice on the critical square).
In 2006, the Deutsche Bratwurstmuseum, opened in Holzhausen, part of the Wachsenburggemeinde near Arnstadt, the first museum devoted exclusively to the Thuringian sausage.