def read(self, flags='r'):
        fid = open(self.abspath(), flags)
        try:
            return fid.read()
        finally:
            fid.close()
Use the rollout policy to play until the end of the game, get the winner (or 0 if tie)
dataset/ETHPy150Open cournape/Bento/bento/core/node.py/Node.read--crossover with--dataset/ETHPy150Open Rochester-NRT/RocAlphaGo/AlphaGo/mcts.py/MCTS._evaluate_rollout