I rock hardcore.

You have a total of 151 friends
You requested to guess 151 entries.
12 were skipped due to invalid content (surprising?).
You made 139 guesses.
You got 103 correct.
Doing the math for you, that means you got 74% correct.

Considering half these posts were "Friend's Only -- Comment to be added!" or quiz posts, I think I did pretty well. ^__^