|Full name||Olga Nikolaevna Rubtsova|
|Born||20 August 1909|
Moscow, Russian Empire
|Died||13 December 1994 (aged 85)|
|Title||International Master (1956)|
Woman Grandmaster (1976)
|Women's World Champion||1956-1958|
Olga Nikolaevna Rubtsova (Russian: О́льга Никола́евна Рубцо́ва; 20 August 1909 – 13 December 1994) was a Soviet chess player and the fourth women's world chess champion. She won the Soviet Women's Championship four times (1927, 1931, 1937 and 1948), and was second in the Women's World Chess Championship 1949–50, a point behind Lyudmila Rudenko. She won the title in 1956, finishing ahead of Rudenko and Elisaveta Bykova in a match tournament, before losing it to Bykova in a match in 1958.
FIDE awarded her the titles of Woman International Master (WIM) in 1950, International Master (IM) in 1956, and Woman Grandmaster (WGM) in 1976. In 1952 she was awarded the title of Honoured Master of Sport of the URSS.
Rubtsova also played correspondence chess, and became first women's world correspondence chess champion in 1972 (she also finished second in the next championship, only losing the title to Lora Jakovleva on tie-break, and fifth in the one after that). As of today, she remains the only player, male or female, to become world champion in both over-the-board and correspondence chess.
- Karpov, Anatoly, ed. (1990). Шахматы. Энциклопедический словарь [Chess. Encyclopedic Dictionary] (in Russian). Moscow: Great Soviet Encyclopedia. ISBN 5-85270-005-3.
- "Рабинович". people.bmstu.ru (in Russian). Bauman Moscow State Technical University. Retrieved 2018-07-05.
- "МОГУЧЕЕ ТРИО ЧЕМПИОНОК". e3e5.com (in Russian). 2016-09-27. Retrieved 2018-07-05.
| Women's World Chess Champion
| Women's World Correspondence Chess Champion
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