1) firstly, you have as a bug that the program eventually plays the same thing. However, this is not really a bug. Infact, it is just saying that the Computer is 'bored' with the game, it has become too simple, and is time it learnt a new, harder one. (Just like real humans). It is actually a good thing to see that it reaches a state of 'perfection', when it started with nothing. However, mabye you could program the computer to 'challenge' itself by making it's first move random.

2) Does AIP use rotations?? As in, does it look at each of the four rotations each board has?? 'cos i was trying to do the same thing (didn't quite work), but i more than halved memory needed by saving all rotations as one board pattern, not 4 (or 2 or 1)