private boolean endGame( Board board, int turnNumber){
        if(board.numberOfEmpty() == 0 && triggerTurn == -1){ // Start end game
            triggerTurn = turnNumber;
            System.out.println("Start end counter");
        }

        if(triggerTurn != -1 && triggerTurn + (60000/Turn.TURN_DURATION)<turnNumber){
            return false;
        }

        return true;
    }