A real data validation of some gambling strategies and gambler’s expectations in the roulette game.

The game of the roulette has stimulated the creation of gambling strategies more than any other casino game. The goal stated by many of these strategies is the overturning of the unfavourable condition of the gambler guaranteeing a positive average return. Although well known in literature that this result cannot be obtained, the decision of how and how much the player can bet allows the maximization of the probability of some specific goal prearranged by the gambler. In this work some of the most famous systems applied in casinos are analyzed and confronted. The availability of the come ups of the numbers of a single roulette in the course of a solar year of a famous Italian public casino, allows the verification of the unbiasedness of the wheel and the faithful adhesion of the empirical come ups to those regarding the correspondent discrete uniform theoretical model.