Mezue ahịrịokwu na-esonụ: Blass na-egwuri egwu maka Poland na bọọdụ nchekwa (+4 <unk>3 =5) na
2nd Chess Olympiad na Hague 1928. O ritere ọla nchara n'ebe ahụ. Ya na ndị ọzọ so na ndị otu Warsaw (Rafał Feinmesser, Frydman, Stanisław Kohn, Leon Kremer, Karol Piltz na Henryk Pogorieły), meriri nrite ọla edo na 1st Polish Team Championship na Królewska Huta (Königshütte) 1929; were nke abụọ, n'azụ Kremer, na Warsaw 1929 wee were nke asatọ na Warsaw 1930 (P. Frydman meriri).