MOSCOW, Oct 25 Football club «Botev» on its official website demanded dismiss the head of the refereeing commission of the Bulgarian Football Union, Viktor Kashshai, accusing him of systematic errors and unskilled work of referees in the Bulgarian championship. «Botev» stressed that the Hungarian specialist Kashshai does not notice refereeing mistakes, since he is practically absent in Bulgaria. firmly intends to enlist the support of other Bulgarian clubs and together demand the resignation of Kashshai.We believe that systematic errors and unqualified work of referees have an extremely negative impact on the quality and image of the championship in Bulgaria.Moreover, they increasingly determine the final results of matches in our country.We are also convinced that many other clubs, like ours, have already been victims of inexplicable decisions by Bulgarian referees since the start of the season. Kashshai considers it quite normal,” the statement says. Kashshai headed the refereeing department of the Russian Football Union (RFU) from January 9, 2020 to September 13, 2021. He became a FIFA category referee in 2003. In 2011, he was appointed to the Champions League final between Spain's Barcelona and England's Manchester United, becoming the youngest referee ever to referee a tournament playoff. The Hungarian referee also officiated the finals of the 2008 Olympics in Beijing, the matches of the 2010 World Cup, the 2012 and 2016 European Championships. In addition, Kashshai became the first referee to award a penalty after using the Video Assistance Referee (VAR) system in December 2016 at the Club World Cup.