Mezue ahịrịokwu na-esonụ: Ọ gbara bọọlụ ugboro abụọ na Poland. N'afọ 1926, o jikọtara maka ebe 8-9 na Warsaw (nke mbụ Polish championship). Dawid Przepiórka meriri ihe omume ahụ. N'afọ 1927, o jikọtara maka 5-7 na Łódź. Akiba Rubinstein meriri n'asọmpi ahụ. N'afọ 1928, ọ nọchitere anya Poland na bọọdụ nke anọ na
2nd Chess Olympiad na The Hague (+4 <unk>3 =4), ma merie ndị otu ọla nchara.