QUOTE(maledictis @ Aug 19 2009, 09:32 AM)

You would be right not to trust that in a concert situation. It is probably (disclaimer - I am not Mad Tom

) that the piece is in your "muscle memory" and you can therefore play it without thinking too much. However, if you make a mistake, you are unlikely to be able to pick it up without starting again. You need the piece to be in your muscle memory and brain at the same time - so your fingers can just play it, but you also know where you are in the music and what you are trying to convey through the music at that particular point.
(Gosh, this proper advice stuff is tricky

)
Yep, I can see that you're right

I will be following the strategy I used in my exam and will be intently following the sheet as a prompt. Like Carol says, one tiny mistake playing from memory can snowball and end up with you in a situation you can't recover from without playing from the beginning, or from a memorised "anchor point" in my limited experience.
I've been going through the pieces with a fine toothed comb and am trying to shake off the habit of making assumptions. I found a few tricky parts where I was playing what sounded right, but one note was a 3rd out, for example, oops... Concert is the 17th or 18th, I think and I'm pretty close to getting everything pretty much tip-top (or as good as it can be with my ability level)

I have finally memorised all the tricky chords (phew!) from the Beethoven and the only thing I'm not quite sure on is that turn on the final page (will fix that in my next lesson). Ornamentation is my arch-nemesis at the moment...
Thanks for the wishes of good luck, skyers. Hopefully luck isn't something I'll need by then!

Learning tonnes of other stuff isn't helping me plan out my practice time though.. I started on a few of the pieces from "The Piano" last night (I can hear Carol groaning...)