@hygyli – Great question! That’s actually something I cover in the first post of each month’s challenge, along with recommended pieces for beginner, intermediate, and advanced levels. I’ve highlighted the answer for you:
Go at the pace that’s right for you. If you can play the piece better at the end of the month than you did at the beginning, that’s a win in my book! And you will gain an entry, as long as you perform the entire piece.