Mezue ahịrịokwu na-esonụ: Na Helsinki 1952, ọ gbara bọọdụ nke abụọ, ma merie ọla edo n'otu n'otu na 101⁄2/13. Na Amsterdam 1954, ọ nọkwa na bọọdụ nke abụọ, wee nweta 9/12, wee were ọla nchara n'otu n'otu. Na Moscow 1956, o nwetara 81⁄2/13 na bọọdụ nke abụọ, mana ọ nwetaghị ihe nrite. Na Munich 1958, o mere 91⁄2/13 na bọọdụ nke abụọ, nke dị mma maka ọlaọcha onye ọ bụla. Na
Leipzig 1960, a tụbara ya n'ọkwa mbụ, wee mee akara dị ukwuu nke 111⁄2/13, nke meriri nrite ọla edo.