public void save() {
		JSONObject json = toJson();

		try {
            File file = new File("rounds/" + System.currentTimeMillis() + ".json");
            FileWriter fw = new FileWriter(file.getAbsolutePath());
            fw.write(json.toString());
            fw.close();
        } catch (IOException ex) {
            Logger.getLogger(Profile.class.getName()).log(Level.SEVERE, null, ex);
        }
	}