Rubuta ci gaba ga wannan sakin layi - Koltanowski daga baya ya zagaya Amurka ba tare da gajiyawa ba tsawon shekaru, gudanar da wasannin chess da kuma ba da nune-nunen lokaci guda a ko'ina. Bayan rashin nasararsa a gasar US Open ta 1946 a Pittsburgh, bai sake buga wasan ba, sai dai wasanni biyu a matsayin memba na tawagar Amurka a gasar Olympics ta 10 na Chess (Helsinki 1952)
, samun wasa tare da Soviet Grandmaster Alexander Kotov, daya daga cikin 'yan wasa mafi karfi a duniya, da kuma wasa tare da Hungarian International Master Tibor Florian, a cikin wasan da Koltanowski ya yi nasara.