Career
FIDE Grandmaster (1997). In the second half of the 1980s Jacek Gdański was a leading Polish chess junior. Many times played in the Polish Chess Championship"s finals.
He was awarded the International Master title in 1988 and Grandmaster title in 1997.
In 2001 Jacek Gdański qualified for the FIDE World Chess Championship by knockout system in Moscow, where he lost in the first round to Vadim Zvjaginsev. Jacek Gdański played for Poland in Chess Olympiads:
In 1990, at second reserve board in the 29th Chess Olympiad in Novi Sad (+5, =4, -1),
In 1992, at third board in the 30th Chess Olympiad in Manila (+3, =6, -2),
In 1994, at third board in the 31st Chess Olympiad in Moscow (+5, =4, -2).
Jacek Gdański played for Poland and Poland Goldies (2013) in European Team Chess Championship:
In 1989, at first reserve board in the 9th European Team Chess Championship in Haifa (+3, =5, -0),
In 1992, at third board in the 10th European Team Chess Championship in Debrecen (+3, =0, -5),
In 2013, at fourth board in the 19th European Team Chess Championship in Warsaw (+2, =3, -4). Jacek Gdański successfully joined a chess at a high level with studies on the University of Gdańsk and the National School of Public Administration.
Since 2009 he working in the Ministry of Finance.