Ku qor sii wadida cutubkan - Sannadkii 1994, Hengelo Dennis de Vreugt wuxuu ku guuleystay Horyaalka Shaakada Dhallinyarada Nederland ee da'da U16. Sannadkii 1998, wuxuu ku guuleystay Horyaalka Yurub ee Shaakada Dhallinyarada ee da'da U18, laakiin sannadka soo socda Dennis de Vreugt wuxuu kaalinta koowaad ka galay Horyaalka Yurub ee Junior Chess ee da'da U20. Sanadkii 2000, Istanbul wuxuu ku jiray kooxda Holland ee Olombikada 34aad ee Chess
Wuxuu ahaa kaydka labaad, laakiin ma uusan ciyaarin wax tartan ah. Sannadkii 2002, tartankii shaashadda ee caalamiga ahaa ee Hoogeveen Dennis de Vreugt wuxuu wadaagay kaalinta labaad ee ka dambeysa guuleystaha Evgeny Alekseev. Sanadkii 2003, magaalada Santo Domingo, isaga oo ay weheliyaan Bartosz Soćko, Vadim Milov, Alexander Moiseenko iyo Liviu-Dieter Nisipeanu ayaa kaalinta koowaad ka galay tartankii caalamiga ahaa ee shaxanka.