void ChangeColor( )//Самый сложный и ужасный метод в моей жизни
    {
        switch (names.Count)
        {
            case 2:
                switch (counter)
                {
                    case 0:
                        label1.ForeColor = Color.Black;
                        label2.ForeColor = Color.Orange;
                        break;
                    case 1:
                        label2.ForeColor = Color.Black;
                        label1.ForeColor = Color.Orange;
                        break;
                }
                break;
            case 3:
                switch (counter)
                {
                    case 0:
                        label1.ForeColor = Color.Black;
                        label2.ForeColor = Color.Orange;
                        break;
                    case 1:
                        label2.ForeColor = Color.Black;
                        label3.ForeColor = Color.Orange;
                        break;
                    case 2:
                        label3.ForeColor = Color.Black;
                        label1.ForeColor = Color.Orange;
                        break;
                }
                break;
            case 4:
                switch (counter)
                {
                    case 0:
                        label1.ForeColor = Color.Black;
                        label2.ForeColor = Color.Orange;
                        break;
                    case 1:
                        label2.ForeColor = Color.Black;
                        label3.ForeColor = Color.Orange;
                        break;
                    case 2:
                        label3.ForeColor = Color.Black;
                        label4.ForeColor = Color.Orange;
                        break;
                    case 3:
                        label4.ForeColor = Color.Black;
                        label1.ForeColor = Color.Orange;
                        break;
                }
                break;
        }
    }

private void move_button_Click(object sender, EventArgs e)//Событие кнопки /ХОД/
{
    if (counter == names.Count)
    counter = 0;

    scores[counter] += CountScores ( );
    ChangeColor ( );
    counter++;
}

List<Label> player_labels = new List<Label>();

void ChangeColor()
{
    for (int i = 0; i < player_labels.Count; i++)
        player_labels[i].ForeColor = (i == counter) ? Color.Orange : Color.Black;
}