Buuxi weedha soo socota: Yosef Porath wuxuu tartamay Olombikada Chess laba iyo toban jeer. Sanadkii 1928-dii Foerder wuxuu xubin ka ahaa kooxda Jarmalka ee
Olombikada labaad ee Hague. Wuxuu dhowr jeer ka ciyaaray Shirweynihii Chess ee Silesian: wuxuu wadaagay 1aad Ludwig Schmitt ee Gleiwitz 1927; wuxuu qaatay 2aad, gadaashiisa Gottlieb Machate, Reichenbach 1928; wuxuuna ku guuleystay Breslau 1930, wuxuu wadaagay 1aad Bad Salzbrunn 1931, wuxuuna mar kale ku guuleystay Ratibor 1932. Waxa uu sidoo kale ku guuleystay, hortiisa Salo Flohr, Bilina 1930, wuxuuna qaatay kaalinta labaad, gadaashiisa Gottlieb Machate, Breslau 1933.