 Complete the following phrase:  He won the 2010 Isle of Man Open, beating Joey ten Berge. He also qualified for the 2011 BDO World Darts Championship as the number 16 seed, but lost 13 to John Walton. After the match, Prins said that he believed he would not be able to compete on the BDO Circuit in 2011 due to work commitments. However, he continued playing and subsequently qualified for the 