Dee ihe na-aga n'ihu maka paragraf a - Afọ abụọ ka e mesịrị, ọ bụ akụkụ nke ndị otu Poland na 3rd Chess Olympiad na Hamburg, ebe ọ 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, na-eti site na United States site na otu ihe.