minimax_evaluate_move.rb

  def evaluate_move(depth, scores)
    depth.zero? ? max_best_move(scores) : max_best_score(scores)
  end

  def max_best_move(scores)
    scores.max_by { |_key, value| value }[0]
  end

  def max_best_score(scores)
    scores.max_by { |_key, value| value }[1]
  end