In 1998, Sandra Krege became vice champion of the girls at the German Youth Chess Championships in group U11, behind Friederike Wolk and ahead of Maria Schöne.[1] A year later she played at the World Youth Chess Championship 1999 in the age group U12 girls in Oropesa del Mar, which Nana Dzagnidze won.[2]
In 1999 in Dresden Sandra Krege took part an international match for the U14 girls between England and Germany.[3] In 2000 she played in a country comparison in London, which was played with 2 teams of four: U14 girls (Franziska Beltz, Sarah Brethauer, Sandra Krege, [Maria Schöne) and U12 girls (Judith Fuchs, Annett Hofmann, Melanie Ohme, Anne Reiske).[4]
At the Girls World Chess Championship in group U14, in 2000 in Oropesa del Mar she scored 6.5 out of 11.[5] In 2001 at the German Youth Chess Championship for girls U14 in Willingen she came second behind Maria Schöne.[6] In the German Youth Chess Championships for girls U16 in 2002 in Winterberg, which Maria Schöne won, she took 6th place.[7] She was also in 6th place in 2003 in the same age group in Willingen, Helene Romakin was first.[8] In 2004 she played at the German Youth Chess Championship for girls in age group U18 in Willingen and came 6th again, Stefanie Schulz won the championship.[9]
Open and women's tournaments
She played her first Open in 1998 in Kassel and got 2.5 points from 7 games, Bernd Rechel won ahead of Lev Gutman and Viesturs Meijers.[10] In 2003 she competed for Saxony-Anhalt at the German Women's Team Championship of the State Associations in Naumburg.[11]
Sandra Krege played in the 1. Chess Women's Bundesliga in the Season 2001/02 and from the Season 2004/05 to the Season 2007/08 as a guest player for the Volksbank Halle (from 2006 USV Volksbank Halle), with whom she in 2007 won the Chess Women's Bundesliga.