<prompt> Pedzisa mutsara unotevera: MuChina pakati pezana remakore rechi20, Luan naYao vaingova nemapikicha okudzidza kubva. Vakava nechinoitika chinotyisa pa  <response>: 1980 World Championships muDortmund, West Germany; Yao akataura kuti anoyeuka vanhu vari muvateereri vachiseka nekutamba kwavo kwakaderera pakati pevanhu ivavo paive naIrina Rodnina, uyo akazoyeuka skating yaive yakanyanya kuseka. Vakapedza vari 15, vari vokupedzisira. Vakakwikwidza paWorld Championships kaviri zvakare muna 1981 na1982, vachipedza vari vokupedzisira nguva dzose. Vakarovawo nzvimbo yechi 15 paMitambo yeOlympic yechando ya1984. Pashure pezviitiko izvi zvinonyadzisa, Yao akanga akatsunga kugadzira chikwata chevatambi vepasi pose ve figure skating. 