Roulette systems are never a sure guarantee of success. This is not the intention that we have to use a particular system for betting on roulette or other casino games.
Great poker players always make it clear that having a good technique to play poker, that is a good strategic behavior, will not or should do to win every hand. On the contrary, we must know how to lose some and then gain in others, and it is important to know that our successes should help to offset the mistakes and give us a good balance.
If the system we implement is one that is well established, according to logical principles and mathematical probability, should pave the way for a given probability of correct answers. What is summarized as: if we bet well, with a good sense eventually make money, however much we go through some bad hands where we can take any losses.
Knowing that how we deal with a casino game, in this case the wheel, using a coding system developed logically, give us the confidence to avoid falling into distress or surrender to any setbacks.
Systems for betting at roulette should meet, then those conditions to become a tool with which we can grow as players and thus make money from our bets. After all, that is the goal of every casino enthusiast and gambling.