In 1988 she retained her title again by narrowly winning a match in Telavi , Georgia against Nana Ioseliani by 8 Â 1\/2 â `` 7 Â 1\/2 . In 1988 she retained her title again by narrowly winning a match in Telavi , Georgia against Nana Ioseliani by 8 Â 1\/2 -7 Â 1\/2 .