Dee ihe na-aga n'ihu maka paragraf a - N'ịbụ onye so n'òtù ndị Russia, Semakov sonyere naanị otu Junior World (na 2006 na Presque Isle, United States) na asọmpi abụọ nke Europe (na 2006 o nwere nsonaazụ kachasị mma na-asọmpi dị ka onye na-eto eto ma merie ọla edo atọ; na 2010
o ritere ọlaọcha n'asọmpi ụmụ nwoke ma bụrụ onye nke isii n'asọmpi ndị nwoke). N'oge 2009-10 o nwere ezigbo nsonaazụ na Russian Cup ya mere a kpọrọ ya ka ọ sonye na IBU Cup. Na Disemba 2, 2010, ọ malitere na Biathlon World Cup na Swedish Östersund ebe ọ bụ onye nke iri isii na otu n'ọsọ nke bụ nsonaazụ kacha njọ na ndị otu Russia n'ọsọ ahụ. Mgbe nke ahụ gasịrị, o sonyeghị n'asọmpi Iko Mbaụwa ọzọ dịka onye na-eme egwuregwu Russia. Ọsọ ikpeazụ ya maka Russia bụ na 17 Disemba 2011, na IBU Cup na Austrian Obertilliach ebe ọ bụ 33rd na ịchụso.