Mezue ahịrịokwu na-esonụ: Afọ abụọ mgbe e mesịrị, ọ bụ akụkụ nke ndị otu Poland na
3rd Chess Olympiad na Hamburg, ebe o meriri nrite ọla edo na otu Akiba Rubinstein, Savielly Tartakower, Kazimierz Makarczyk na Paulin Frydman. N'afọ sochirinụ, ndị otu ahụ meriri ọla ọcha na 4th Chess Olympiad na Prague, nke United States meriri site na otu isi.