private void adjustConfigurations()
    {
        // fixed number due to win definitions
        _triumpher = new HashMap<>(3);

        // fill in the triumphers:

        // paper is beaten by scissors
        _triumpher.put(Output.Paper, Output.Scissors);

        // rock is beaten by paper
        _triumpher.put(Output.Rock, Output.Paper);

        // scissors are beaten by rock
        _triumpher.put(Output.Scissors, Output.Rock);

    }