At the age of fifteen, Kerstin Kunze took part in an East Germany Women's Chess Championship for the first time.

It was February 1987 at the East Germany Women's Chess Championship in Glauchau when Iris Bröder won.

[1] Kerstin Kunze scored 50 percent at an international women's tournament in October 1987 in Halle, which Svetlana Prudnikova won.

[2] She took part in the East Germany Women's Chess Championship in Stralsund in 1988 when Antje Riedel won.

[4] Other her tournaments followed: In the Chess Women's Bundesliga she played in the seasons 1991/92 for TSV Schott Mainz, 1992/93 for the USV Potsdam, 1994/95 and 1995/96 for the Dresdner SC, 1996/97 and 1999/2000 for the SV Chemie Guben, 2000/01 for the SC Leipzig-Gohlis, as well as 2007/08, 2009/10 and 2010/11 for SAV Torgelow.