<prompt> Pedzisa mutsara unotevera: Mumwaka wake wokupedzisira wokukwikwidzana, Watanabe akahwina ndarama paNHK Trophy ya1979 uye ipapo akahwina zita rake rechisere renyika. Akava wechitanhatu mumitambo yeOlympic ya1980. Akagumisa basa rake rokukwikwidza pa  <response>: 1980 World Championships, apo akaisa 4th. 