A martingale is any of a class of betting strategies that originated from and were popular in 18th The martingale strategy has been applied to roulette as well, as the probability of hitting either red or black is close to 50%. Since a gambler with. Roulette Betting Strategy - Roulette is a game of pure chance, but it's important to know how to bet and when to cut your losses before the wheel stops. Learn to. An introductory look at the math behind the game of roulette, and an examination of which roulette strategies and systems actually work. Since casinos know that players like to track the winning numbers they try to help the systems player by installing devices that display the last 16 to 20 winning numbers. The problem with the cancellation system should become apparent. Sometimes this is thought of as the maturity of chances. Unsourced material may be challenged and removed. But you may recall a while back I did precognition testing. Here I will describe the initial phase of the Kavouras bet, that is the first bet we make on the roulette table when we begin a Kavouras attack. The strategy is simple.