She is a three-time winner of the Finnish Women's Chess Championship (1990, 2002, 2008).

[2] In 1991, in Subotica, Niina Koskela participated in Women's World Chess Championship Interzonal Tournament and ranked in 34th place.

[3] In 2000, Niina Koskela participated in Women's World Chess Championship by a knock-out system and in the first round won Subbaraman Vijayalakshmi but in the second round lost to Nana Ioseliani.

[4] She played for Finland and Norway in the Women's Chess Olympiads:[5] Koskela played for Finland and Norway in the European Team Chess Championships:[6]

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