Ku qor sii wadida cutubkan - Guud ahaan, Bratanov wuxuu toddobo jeer ahaa horyaalkii Bulgaariya; shan jeer banaanka 400 m caqabado (1972, 1973, 1974, 1978 iyo 1979) iyo laba jeer gudaha 400 m (1974 iyo 1975). Tartanka Yurub ee 1978
Ciyaaraha Olombikada ee Prague Bratanov waxaa laga saaray semi-finalka, laakiin Ciyaaraha Olombikada Xagaaga ee 1980 ee Moscow wuxuu mar kale u qalmay finalka Olombikada; wuxuu ahaa ciyaaryahanka kaliya ee ka soo baxay finalka 400 m caqabadaha labadaba Montreal iyo Moscow. Waxa uu xanuunsaday cambaareyn ka soo gaadhay ciyaartii kama dambaysta ahayd ee Moscow waxaana uu ku guuleystay 56.35.