Nyora kupfuurira kweiyi ndima - Pamwe chete, Bratanov aive mukwikwidzi weBulgaria kanomwe; kashanu panze mumamita mazana mana nezvipingamupinyi (1972, 1973, 1974, 1978 uye 1979) uye kaviri mukati memamita mazana mana (1974 uye 1975). Mumakwikwi eEurope muna 1978
muPrague Bratanov akabviswa mumasemi-fainari, asi pa 1980 Summer Olympics muMoscow zvakare akakodzera kumagumo eOlympic; ndiye chete mutambi akaita 400 m zvipingamupinyi zvekupedzisira muMontreal neMoscow. Akakuvadzwa muMoscow pakupedzisira uye akaisa nzvimbo yakajeka yekupedzisira mu56.35.