reinforcement_policy_trainer takes policy network's board size into account
reinforcement_policy_trainer takes policy network's board size into account

Rochester-NRT/AlphaGo,Rochester-NRT/RocAlphaGo,wrongu/RocAlphaGo,Rochester-NRT/AlphaGo,MaMiFreak/RocAlphaGo,Rochester-NRT/AlphaGo,vftens/RocAlphaGo,hiropppe/RocAlphaGo