ttt_ai(name = "ttt AI", level = 0L)ttt_random(name = "random AI")
ttt_ai objectlevel argument controls the strength of AI, from
0 (weekest) to 5 (strongest).
ttt_random is an alias of ttt_ai(level = 0).A ttt_ai object has the getmove function, which takes
ttt_game object and returns a move considered as optimal.
getmove function is designed to take a ttt_game object
and returns a move using the policy function.
The object has the value and policy functions. The value function maps a game state to the evaluation from the first player's viewpoint. The policy function maps a game state to a set of optimal moves in light of the value evaluation. The functions have been trained through the Q-learning.