Press the green flag, set Key, Tempo, Scale, Length and Octave, then enter a number between 0 and 1. Length doesn't actually effect the length. It will always go on forever. Length controls when it will give up and do more math again. Some Recommended seed numbers 1/pi phi 0.22 0.777777777777777777777777777777777 All the stuff at the top left is stuff you don't need to worry about.
http://tom7.org/chess/ Inspiration
