Teacher or not?

• degree to which learner controls the sequence of training examples

1. teacher selects informative board states & provides the correct moves
2. for each proposed board state the learner finds particularly confusing it asks the teacher for correct move
3. learner may have complete control as it does when it learns by playing itself with no teacher - learner may choose between experimenting with novel board states or honing its skill by playing minor variations of promising lines of play