She was twice a challenger for the Women's World Champion. She tied for seventh/eighth place at Buenos Aires 1939 (Vera Menchik won), and 10-11th at &lt;a href="Women%27s%20World%20Chess%20Championship%201949%E2%80%9350"&gt;Moscow 1949/50&lt;/a&gt; (Lyudmila Rudenko won).