Alright, so it's not Luja Wang. You got through it in front of an audience at a moderate speed. I say more power to you! I would NEVER ever play this etude or the thirds in front of an audience. But given the fact that you did, and didn't lose a whole lot of notes, you could make it more musically appealing by adding some dynamics. Big big crescendo and diminuendos, etc. But i say bravo.