Botsari has represented Greece in fifteen Chess Olympiads from 1986 to 2014. Her best results were at the 28th Chess Olympiad in Thessaloniki in 1988, where she scored 8.5/12 and finished sixth on the first reserve board, and the 35th Chess Olympiad in Bled in 2002, where she scored 8.5/13 with a performance rating of 2435, to finish ninth on board one.