 Kọ itẹsiwaju fun paragirafi yii - Berkes bẹrẹ ajọṣepọ rẹ pẹlu Szilárd Tóth ni ọdun 1991. Wọn kópa nínú ìdíje ISU Championship mẹrin, wọn gba ipò kẹẹdógún ní 1992 World Junior Championships : ní Hull, Quebec, Canada; 20th ní 1993 European Championships ní Helsinki, Finland; 24th ní 1994 European Championships ní Copenhagen, Denmark; àti 23rd ní 1995 European Championships ní Dortmund, Germany. 