Career
Woman International Master (1990). Three times played for Estonia in Soviet Team chess championship (1981, 1983, 1985). Leili Pärnpuu played for Estonia in Chess Olympiads:
In 1994, at third board in the 31st Chess Olympiad in Moscow (+1, =6, -2);
In 1996, at third board in the 32nd Chess Olympiad in Yerevan (+5, =3, -3);
In 1998, at first reserve board in the 33rd Chess Olympiad in Elista (+2, =3, -1);
In 2000, at third board in the 34th Chess Olympiad in Istanbul (+2, =7, -2);
In 2002, at second board in the 35th Chess Olympiad in Bled (+6, =7, -0) - 2nd place;
In 2004, at second board in the 36th Chess Olympiad in Calvia (+5, =5, -3);
In 2006, at first reserve board in the 37th Chess Olympiad in Turin (+2, =3, -2);
In 2008, at fourth board in the 38th Chess Olympiad in Dresden (+1, =2, -3);
In 2010, at third board in the 39th Chess Olympiad in Khanty-Mansiysk (+3, =3, -2).
By profession Leili Pärnpuu is an economist.
In 1990s she worked in the Police and Border Guard Board of the Republic of Estonia.