Whakakīhia te rerenga e whai ake nei: I whakawhiwhia a Nielsen ki te taitara o te Kaiwhakaako o te Ao e FIDE i te tau 1991 me te Kaiwhakaako Nui i te tau 1994. I wikitoria ia i te Danish Chess Championship e rima nga wa: i te 1996, 1999, 2001, 2003, me 2008. I takaro ia mo Denmark i roto i te whitu Chess Olympiads, e toru nga wa i runga i te papa o runga, me te hua katoa o te 60.1% (+ 24-10 = 35). I riro i a ia he mētara koura takitahi i te poari tuatoru i
Ko Moscow 1994.