<prompt> Ngwala tšwetšopele ya serapa se - Karff o ile a bapala Dipapading tše Tharo tša Ditšhabatšhaba tša Basadi tša Chess: 1937 Stockholm, a bapala bakeng sa Palestina gomme a ba maemong a botshelela a fentšwe ke Vera Menchik; 1939 Buenos Aires, a bapala bakeng sa U.S. gomme a ba maemong a bohlano gomme a fentšwe ke Menchik; 1949 Moscow  <response>: , a bapala bakeng sa U.S. o fentšwe ke Lyudmila Rudenko. Ge FIDE e be e hloma maina ka 1950, Mona May Karff e be e le yo mongwe wa basadi ba bararo ba Amerika bao ba ilego ba amogela leina la International Woman Master. 