She won the match easily , with a final score of 9 â ' 2 ( +7 â ' 0 = 4 ) , and went on to defend her title successfully four times . She won the match easily , with a final score of 9-2 ( +7 â ' 0 = 4 ) , and went on to defend her title successfully four times : three times against Alla Kushnir ( 1965 : 10 â `` 6 ; 1969 : 12 â `` 7 ; 1972 : 12 â `` 11 ) and once against fellow Georgian Nana Alexandria ( 1975 : 9 â `` 4 ) .