Danuta Gruszka (née Kłusek; born 29 March 1970) is a Polish chess Woman FIDE Master (WFM) (1990).
Danuta Gruszka is a two-time Polish Youth Chess Championship winner: in 1985 in Sobótka she won in the girl's U17 age group, and in 1988 in Wągrowiec - in the girl's U19 age group.
[2] Also in 1989 in Tunja she ranked 12th in World Junior Chess Championship (tournament won Ketino Kachiani)[3] and ranked 5th in Dębica in European Junior Chess Championship (tournament won Svetlana Matveeva).
Danuta Gruszka reached the highest rating in her career on July 1, 1989, with a score of 2190 points, she was ranked 8th among Polish female chess players.
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