Whakaotihia te rerenga e whai ake nei: I te tau 1990, i riro i a Petra Krupková te mētara parahi i te Czech Youth Chess Championship i te roopu pakeke o te kotiro U18. I te tau 1992, i tohaina e ia te waahi 4 i te World Youth Chess Championship i te roopu pakeke o te kotiro U16. I te tau 1993, ko Petra Krupková te toa o te Czech Women's Chess Championship, engari i te tau i muri mai ka wikitoria ia i te mētara parahi i tenei whakataetae. I te tau 1995, i Polani, i tohaina e ia te waahi tuatahi me Monika Bobrowska i te whakataetae Zonal Women's World Chess Championship me te wikitoria i te tika ki te whai waahi ki te whakataetae Interzonal. I te tau 1995, i whai wāhi a Petra Krupková ki
Ko te Whakataetae Whakataetae Whakataetae o te Ao mo nga Wahine i Chişinău i eke ki te 15th. I te tau 1996, i wini ia i te mētara parahi i te U20 European Junior Championship i Hungary.