There is plenty of controversy about mathematical gambling systems. They are to be illegal but they can be hard to identify. One of the most common methods used is counting cards in games such as blackjack. It isn't a concept that everyone can catch on to but for those who can it end up being quite profitable. There have been a few movies out there about such mathematical gaming systems.
It is important to remember that with gambling the odds are always in the favor of the house. Some people have come up with strategies though that do work well for them. The area of sports betting is a good example. Some of the so called experts in this type of gambling do their research. They go beyond the odds and the point spread though. They review information on past games and even individuals players.
Regardless of what type of gambling a person is engaging in, there are said to be mathematical gambling systems. In fact there are many books out there about such topics. People really want to be able to win money with gambling so they purchase such materials. They want to find a way to make money quickly. Most of these strategies though aren't something you can put into place and make money with immediately.
Instead it takes paying attention to the game over the long term. It involves the challenge of continuing to improve your odds of winning the game. You must understand all of the rules of the game, the odds, the possible scenarios, and even how much to bet. There is quite a bit of time that has to be invested in order for mathematical gambling systems to provide you with any type of payoff.
You can be sure that the house has carefully calculated their risk of loss as well. They are well aware of mathematical gaming systems that people use. They don't worry about them though as most of the time they won't be effective. They also watch for people who seem to have more than a stroke of "luck" going on. Most casinos consider this a type of cheating and will escort you off the property.
Even though mathematical gaming systems can work for some people, they aren't an exact science. You will find that some people using them have lost a large sum of money due to mistakes. There are always too many variables out there and so you can't cover all of them. Still, in many ways mathematical gaming systems helps to reduce the risk involved with various types of bets. It is certainly more favorable than relying upon luck alone.