Dee ihe na-aga n'ihu maka paragraf a - N'afọ 1990, Petra Krupková meriri nrite ọla nchara na Czechoslovak Youth Chess Championship na afọ nwata nwanyị U18. N'afọ 1992, o keere ọnọdụ nke anọ na World Youth Chess Championship na afọ iri na isii nke ụmụ agbọghọ. N'afọ 1993, Petra Krupková meriri n'asọmpi ndị Czech Women's Chess Championship, mana otu afọ ka e mesịrị, o nwetara ọla nchara n'asọmpi a. N'afọ 1995, na Poland, ọ keere ebe mbụ na Monika Bobrowska na asọmpi Zonal Women's World Chess Championship ma merie ikike isonye na asọmpi Interzonal. Na 1995, Petra Krupková sonyere na Women's World Chess Championship Interzonal Tour
na Chişinău bụ ebe nke iri na ise. N'afọ 1996, o meriri ọla nchara na U20 European Junior Championship na Hungary.