<prompt> Bhala ukuqhubeka kwalesi sigaba - Schärer futhi wathola izindondo eziyishumi nane ku-FIBT World Championships ngegolide eziyisikhombisa Abantu ababili: 1978, 1979, 1982; Abantu abane: 1971, 1973, 1975, 1986  <response>: , ezintathu zesiliva Abantu ababili: 1983, Abantu abane: 1977, 1978, nezine zethusi Abantu ababili: 1981, Abantu abane: 1979, 1981, 1982. Iziqu ezimbili zokuqala waziwina njengomshushisi eqenjini lomshayeli uRené Stadler ngaphambi kokuba abe ngumshayeli uqobo. 