Rubuta ci gaba don wannan sakin layi - An ba Gustafsson lambar yabo ta Master International a 1999 da kuma na Grandmaster a 2003. Yana daya daga cikin 'yan wasan Jamus mafi karfi; ya gama na biyu a gasar zakarun Jamus ta 2004 da 2005, kuma ya lashe gasar zakarun Jamus na wasan blitz a 2001. An zabi shi a cikin tawagar 'yan wasan chess ta Jamus a shekara ta 2002, ya wakilci kasarsa a gasar cin kofin duniya ta 36th, 37th
, 38th da 40th Chess Olympiad, kuma ya kasance wani ɓangare na ƙungiyar Jamus da ta lashe Gasar Cin Kofin Teamungiyar Turai ta 2011.