Olga Rubtsova

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.

Olga Rubtsova

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.