<prompt> Bhala ukuqhubeka kwalesi sigaba - Ngo-1990, uPetra Krupková wanqoba indondo yethusi eMqhudelwaneni Wentsha YaseCzechoslovak Chess eqenjini labesifazane abaneminyaka engu-U18. Ngo-1992, wahlanganyela indawo yesi-4 ku-World Youth Chess Championship eqenjini labesifazane abaneminyaka engu-U16. Ngo-1993, uPetra Krupková wanqoba iCzech Womens Chess Championship, kodwa ngemva konyaka wathola indondo yethusi kulo mqhudelwano. Ngo-1995, ePoland, wahlanganyela indawo yokuqala noMonika Bobrowska emqhudelwaneni we-Womens World Chess Championship Zonal futhi wanqoba ilungelo lokubamba iqhaza eMqhudelwaneni Wezifunda. Ngo-1995, uPetra Krupková wabamba iqhaza eMqhudelwaneni Wamazwe Ngamazwe Womhlaba Wesifazane  <response>: eChişinău lapho yayibekwe khona endaweni ye-15. Ngo-1996, wathola indondo yethusi ku-U20 European Junior Championship eHungary. 