Mezue ahịrịokwu na-esonụ: Carlsbad 1929 chess tournament bụ otu n'ime asọmpi egwuregwu chess mba ụwa anọ a ma ama nke a na-eme n'obodo spa nke Carlsbad (Karlovy Vary, Bohemia, Czechoslovakia). Oge asọmpi ndị ọzọ bụ
1907, 1911 na 1923.