<prompt> Nyora kupfuurira kweiyi ndima - RiazanovaTkachenko vakatanga kukwikwidzana pamwechete mumwaka wa2009-10. Vakapedza chechina pa2009 Nebelhorn Trophy, yechitanhatu pamutambo wavo wega weGrand Prix, 2009 Cup yeRussia, uye yechina paRussia Nationals  <response>: . 