I mean, if by "won" you mean, "watched powerlessly as the whole rotten system collapsed around him and didn't slaughter thousands of his own people to stop it".

I mean, if by "won" you mean, "watched powerlessly as the whole rotten system collapsed around him and didn't slaughter thousands of his own people to stop it"... yeah, Gorbachev "won" the cold war. Not what I would define as "winning", but ok.