Cika wannan jumla: Daga 2000 zuwa 2008, Stefán ya yi gasa a gasar kasa da kasa tara don Iceland: sau biyar a gasar Olympics ta Chess (
2000, kwamitin ajiya na biyu; 2002, kwamitin ajiya; 2004, kwamitin ajiya na biyu; 2006, kwamitin ajiya; 2008, kwamitin 4) da sau hudu a Gasar Wasannin Wasannin Wasannin Turai (2001, kwamitin 4; 2003, kwamitin 3; 2005, kwamitin 2; 2007, kwamitin 4). Sakamakonsa na Olympics ya kasance 23/41 (+ 18 <unk> 13 = 10), kuma jimlarsa ta gasar zakarun Turai ta kasance 161⁄2/32 (+ 11 <unk> 10 = 11). Kyakkyawan sakamakon gasar Olympics na Iceland tare da Stefán a cikin tawagar shi ne na 22 a 2002, kuma mafi kyawun sakamakon gasar zakarun Turai shi ne na 20 a 2001 da 2007.