An article that might interest some of you... it talks about 15 mathematicians who used their knowledge of mathematics and statistics to be able to win in lotteries, blackjack, roulette, and other games that should be based on pure chance.
15 Brilliant Math Geeks Who Outsmarted the System
Some did nothing illegal and simply used their knowledge to their own advantage, others used their math skills to cheat and lie their way into millions, and some figured out a system just for the fun of it.