@staticmethod
def get_request_id(saved_game_proto, phase_ix, power_name, is_validation_set):
    """ Returns the standardized request id for this game/phase """
    return '%s/%s/%d/%s/%s' % ('train' if not is_validation_set else
        'valid', saved_game_proto.id, phase_ix, saved_game_proto.phases[
        phase_ix].name, power_name)
