Kammala wannan jumla: Hossain ya lashe gasar zakarun Bangladesh a karon farko a shekarar 1997. Ya sami lambar yabo ta kasa da kasa (IM) a shekarar 2002. Ya samu lambar farko ta Grandmaster a
35th Chess Olympiad a Bled, Slovenia a wannan shekarar ya zama IM kuma ya cimma matsayinsa na 2 a gasar Grandmaster a Abu Dhabi a 2007. Tunda ya riga ya kai darajar 2500 sau ɗaya a cikin Oktoba 2006, wanda kuma ake buƙata don neman taken Grandmaster, ya zama na biyar Grandmaster (GM) daga Bangladesh lokacin da ya cika ƙa'idarsa ta 3 a zagaye na ƙarshe na gasar zakarun Bangladesh a ranar 4 ga Mayu 2008. Ya cancanci shiga gasar cin kofin duniya ta Chess ta 2007 kuma ya zama dan wasan Bangladesh daya tilo da ya cancanci shiga zagaye na biyu a gasar cin kofin duniya. Ya yi hakan ta hanyar kayar da Pavel Eljanov; kodayake ita ce kawai gasar cin kofin duniya da ya samu damar shiga. Ya kai mafi girman darajarsa a watan Afrilun 2009 tare da darajar 2531.