Tuhia he haere tonu mō tēnei wāhanga - I tīmata a Gruissem ki te tākaro i ngā whakataetae ora i te tau 2009. I oti ia i te 28 i te 2011 World Series of Poker
neke atu i te $240,000. Ko te moni nui rawa atu a Gruissem i te whakataetae ora ko te wikitoria i te 2014 European Poker Tour € 25,000 High Roller kaupapa, e whiwhi ana i te $ 1,378,059.