Born in Dnipropetrovsk, Karlovich started to play chess at age eight. She was the women's chess champion of the Dnipropetrovsk Oblast and the semi-finalist of the Dnipropetrovsk Oblast men's chess championship in 1998. She later moved to Kharkiv and in 2007 became a chess journalist as well, having published articles in the newspaper Ladya, magazines New in Chess and Schach 64, the ChessBase website and elsewhere. Karlovich was the press secretary of FIDE at the World Chess Championship in 2012, 2013, 2014. and 2016.
She played on the first board for the gold medal-winning Ukrainian team in the European Girls' Under-18 Team Chess Championship in 2000.
Interview with vassily ivanchuk by anastasiya karlovich after winning world rapid 2016