Career
She has also been involved in coaching. Guergueltcheva began playing table tennis at the age of 7. Guergueltcheva participated in the 1988 (reaching the Round of 16) and 1992 (not advancing past the group stage in spite of winning 2 out of her 3 matches) Olympics.
Guergueltcheva is married and has a daughter named Inna.
She is a cousin of Zdravko Zhelyazkov from the "Riton" duo.