Tuhia he tohutoro mō tēnei wāhanga - I whānau a Lehmann ki Königsberg i te tau 1921, i ako i te ture. I a ia e takaro ana i te taakaro, i whiwhi ia i te taitara FIDE, Kaiwhakaako a-Ao (IM) i te 1961. I toa ia i te 1956 Berlin City Chess Championship me te 1976 European Chess Club Cup. He kaitākaro ā-motu ia i ngā tau 1950 me 1960, i whai wāhi ia ki te 13th
me te 14th Chess Olympiad. I takaro ia mo te Tiamana ki te Hauauru i te 1957 European Chess Championship, ka wini i te mētara parahi takitahi mo tana papa.