Complex sentence: At the 1970 world championships on the asymmetric bars, she overcame Ludmilla Tourischeva to win the gold medal, and won it once again at 1972 Munich Olympics, beating Olga Korbut, this was her favourite apparatus.
Split into simpler sentences: At the 1970 world championships on the asymmetric bars, she overcame Ludmilla Tourischeva and won the gold medal. Again at the 1972 Munich Olympics she won the gold medal beating Olga Korbut at the asymmetric bars, her favourite apparatus.