Mezue ahịrịokwu na-esonụ: A maghị ọrụ egwuregwu ya nke ọma, mana ọ na-egwuri egwu na ndị otu US meriri ọlaọcha na
2nd Chess Olympiad na Hague 1928, ọ tozuru oke maka asọmpi US anọ, ma merie egwuregwu site na Reuben Fine na Isaac Kashdan.