Fun > Winning

If you truly wish to prove yourself as a competant player, then sign up to one of the Tournaments which are hosted regularly.

Failing that, check out the Tournament links, and scope out which players have been performing well in them, and challenge them to some games.

And you're right, many players don't care about winning random games, its only in the Tournies where the Big Boys really start playing.

gl finding a good opponent anyway.