Whakaotihia te rerenga e whai ake nei: I te tau 1994, i Hengelo Dennis de Vreugt i toa i te Netherlands Youth Chess Championship i te roopu tau U16. I te tau 1998, i wikitoria ia i te European Youth Chess Championship i te roopu tau U18, engari i te tau e whai ake nei ko Dennis de Vreugt te tuatahi i te European Junior Chess Championship i te roopu tau U20. I te tau 2000, i Istanbul, i whakaurua ia ki te kapa Dutch i
Ko te 34th Chess Olympiad hei tuarua tuarua, engari kaore i purei i tetahi roopu. I te tau 2002, i te whakataetae taatai a-ao o Hoogeveen Dennis de Vreugt i tu tuarua i muri i te toa Evgeny Alekseev. I te tau 2003, i Santo Domingo, ko ia me Bartosz Soćko, Vadim Milov, Alexander Moiseenko me Liviu-Dieter Nisipeanu i tu tuatahi i te whakataetae reeti o te ao.