Mezue ahịrịokwu na-esonụ: N'afọ 1927/28, ọ meriri na Lites Chess Club na Paris, Josef Cukierman, Vitaly Halberstadt, Victor Kahn, wdg; meriri egwuregwu abụọ maka ndị otu France na
2nd Chess Olympiad na Hague 1928; jikọtara maka 6-7th na 4th Paris City Chess Championship 1928 (Abraham Baratz meriri), wee merie, n'ihu Eugene Znosko-Borovsky, na 5th Paris-ch 1929.