Bykova (Bikova), Yelizavyeta
Elizavyeta (Elisabeth) Ivanovna Bykova (1913-1989) was the third Women’s World Chess Champion from 1953 to 1956, and the fifth Women's World Chess Champion from 1958 to 1962 (the first woman to lose her title and regain it). From 1956 to 1958 she lost her title to Olga Rubtsova. In 1962 she lost her title to Nona Gaprindashvili. She was USSR Women’s champion in 1947, 1948, and 1950. She earned the Women's International Master title in 1950. In 1953, she earned the men's International Master title. She earned the Women’s Grandmaster title in 1976.