Tautvaisas then moved to Boston in 1949, then finally to Chicago in 1950. He was many-time Chicago and Illinois champion, and his prominence in the Chicago area in the 1950s and 1960s earned him the nickname "The Old Fox". In 1956, he tied for 2nd-3rd with Arthur Bisguier, behind Donald Byrne, in Detroit (Tartakower Memorial).
Tautvaisas relocated to Boston in 1949, subsequently settling in Chicago in 1950. He was a renowned champion in both Chicago and Illinois, earning him the moniker "The Old Fox" due to his prominence in the Chicago area during the 1950s and 1960s. In 1956, he tied for second-third place with Arthur Bisguier in Detroit (Tartakower Memorial), behind Donald Byrne.