Dee ihe na-aga n'ihu na paragraf a - Site na 2000 ruo 2008, Stefán sooro Iceland n'asọmpi mba ụwa itoolu: ugboro ise na Chess Olympiad (2000
, 2nd reserve board; 2002, reserve board; 2004, 2nd reserve board; 2006, reserve board; 2008, board 4) na ugboro anọ na European Team Chess Championship (2001, board 4; 2003, board 3; 2005, board 2; 2007, board 4). Nchịkọta egwuregwu ya bụ 23/41 (+18<unk>13=10), na ngụkọta nke European Team Championship bụ 161⁄2/32 (+11<unk>10=11). Nsonaazụ kachasị mma nke Iceland na Stefán na ndị otu ahụ bụ 22nd na 2002, na nsonaazụ kachasị mma nke European Team Championship bụ 20th na 2001 na 2007.