<prompt> Nyora kuenderera mberi kweiyi ndima - Mushure mekutambira St. Louis AAA Blues U16 uye kuzvipira kuUSA Hockey National Team Development Program USNDPT, Tkachuk akabvuma kutamba kuBoston University mushure mekupedza mwaka miviri neUSNDPT. Paaive achitambira timu yeBoston Terriers yeyunivhesiti, aive nezvinangwa zvina uye mapoinzi gumi nemana mumitambo 19 semunhu wekutanga asati agadzira timu yenyika yeU.S. iri pasi pemakumi maviri ye2018 World Junior Championships  <response>: . Pedyo nekupera kwemwaka, Tkachuk akasarudzwa kuHockey East Rookie Team mushure mekunge ave pachinzvimbo chechishanu pachikwata muzvibodzwa. 