 Complete the following phrase:  Koltsov won the Russian Qualifying Event for the 2015 PDC World Championship and beat Haruki Muramatsu of Japan 42 in legs in the preliminary round. He squared his first round match with Kevin Painter at 11 in sets, but could not win another leg after this to be defeated 31. He teamed up with Aleksei Kadochnikov to represent Russia at the World Cup of Darts and they lost 51 to Australia in the first round. Koltsovs bid to reach the 2016 World Championship was ended at the semi-final stage by Aleksandr Oreshkin. He dominated the Eurasian Darts Tour in 2016 by winning four and losing in one final of the six events staged. Kolstov and Oreshkin were defeated 53 by the Netherlands in the opening round of the 