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 Jamusawa wanda ya lashe gasar zakarun Turai ta Team Chess ta 2011.