Whakaotihia te rerenga e whai ake nei: I whanau ia i Rosdzin, inaianei tetahi waahanga o Katowice, Upper Silesia, i neke ia ki Görlitz i te 1921. I te taenga mai o nga Nazis ki te mana i te tau 1933, ka rere a Baender, he Hurai, ki Prague, Czechoslovakia. I te marama o Noema 1937, ka heke ia ki La Paz, Bolivia. I tākaro a Baender mō Bolivia i te
Ko te 8th Chess Olympiad i Buenos Aires 1939.