 Woltering akaita kutanga kwake muchikwata cheGerman muna 2003, akapedza ari wechishanu mumakwikwi eEuropean Championship muna 2004, uye wechitanhatu mumakwikwi eWorld Championship muna 2005. Pa2006 European Championship akapedza ari wechina, uye akagamuchira menduru yebronze pa2007 World Championship. 