private boolean isWin(String yourPlayerId) {
  	String winnerId = coderId;
    List<String> feedbackHistory = (List<String>) state.get(FEEDBACKHISTORY);
    String lastFeedback = feedbackHistory.get(feedbackHistory.size()-1);
    if (lastFeedback.equals("4b0w")) {
      winnerId = guesserId;
    }
    return (yourPlayerId == winnerId);
  }