Chess position trainer for php site

I am need of a programmer to create a automated chess position for my php chess site. The script will need to be user friendly to kinder age children. It will need to run fast and adapt to the students success rate. It will also need to be easy for me to upload positions to manually along with their solutions. Please view [login to view URL] and [login to view URL] to get an idea of what I am after. Chess position trainer for educational website.