And it combines A* search with MCTS to improve the performance over the traditional MCTS approaches based on UCT or PUCT tree policies	['non', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro', 'pro']	paper quality