Dee ihe na-aga n'ihu maka paragraf a - asọmpi egwuregwu chess mba ụwa nke atọ (asọmpi egwuregwu chess mbụ nke Carlsbad 1907
, nke abụọ Carlsbad 1911 egwuregwu egwuregwu egwuregwu) emere na ogige ahụike nke Carlsbad ("German:" Karlsbad, "Czech:" Karlovy Vary), Czechoslovakia. Mmadụ iri na asatọ ndị sonyere, n'okpuru nduzi nke Viktor Tietz, na-egwu egwuregwu ha na Helenenhof Imperial Hotel, site na Eprel 27 ruo Mee 22, 1923.