Nyorai mberi kweiyi ndima - Schärer akawanawo menduru gumi nemana paFIBT World Championships negoridhe nomwe (Vaviri-murume: 1978, 1979, 1982; Vane-murume: 1971, 1973, 1975, 1986), sirivha nhatu (Vaviri-murume: 1983, Vane-murume: 1977, 1978), uye ndarira ina (Vaviri-murume: 1981
, Four-man: 1979, 1981, 1982). Mazita okutanga maviri akahwina somunhu anodzvinyirira mumutambo wemutyairi René Stadler asati ava mutyairi iye pachake.