Bent represented Denmark six times in Chess Olympiads , always on first board , and compiled an aggregate score of 75\/109 ( +61 = 28 20 ) , for 68.8 % , according to olimpbase.org . He represented Denmark six times in Olympiad play , always on first board , and compiled an aggregate score of 75\/109 ( +61 = 28 20 ) , for 68.8 % , according to olimpbase.org .