<prompt> Pedzisa mutsara unotevera: Yosef Porath akakwikwidza muChess Olympiads ka12. Muna 1928, Foerder akanga ari nhengo yeboka reGermany pa  <response>: Mitambo yeOlympic yechipiri muHague. Akatamba kakawanda muSilesian Chess Congress: akagovana 1st naLudwig Schmitt kuGleiwitz 1927; akatora 2nd, shure kwaGottlieb Machate, kuReichenbach 1928; uye akakunda kuBreslau 1930, akagovana 1st kuBad Salzbrunn 1931, uye zvakare akakunda kuRatibor 1932. Akakundawo, pamberi paSalo Flohr, paBilina 1930, uye akatora 2nd, shure kwaGottlieb Machate, paBreslau 1933. 