Horvath started playing chess at the age of seven. Since 1982 she regularly participated in
Austrian women's Chess Championships. In 1990 in
Braunau am Inn she won this tournament. Also, in Austrian women's chess championships she won two silver (2002, 2004) and three bronze (1994, 1996, 1997) medals. In
European Women's Chess Club Cup, Horvath has represented Austrian chess clubs
Club Carinthia and
ASVÖ Pamhagen (1999, 2013, 2016). Horvath has played for Austria in 10
Chess Olympiads (1984, 1988-1998, 2002-2006) and won individual gold medal at Board 3 in
28th Chess Olympiad (1988). She has also represented Austria in 4
European Team Chess Championships (1992-1997, 2001, 2005). ==References==