<prompt> Pedzisa mutsara unotevera: Sven Authorsen akaberekwa musi wa5 Chikumi 1967 muGermany aimbova mutambi wechando. NaSaskia Stähler, ndiye mukwikwidzi wenyika yeGerman kaviri 1990-91. Vakakwanisa kupinda mumutambo wokutamba vakasununguka pamakwikwi maviri eEurope, vachipinda munzvimbo dzakakwirira se13  <response>: 1991, uyewo pa 1991 World Championships. Authorsen gare gare akakwikwidzana naYvonne Schulz. 