Predicting the algorithm and winning is really tough, and very few might have succeeded in the past. Nowadays, things are much more advanced, and the technological advancement never lets the gamblers find an opportunity to win out of the mistakes at the casinos. I've come across the story of a gambler . The professor who beat roulette [url] who had collected data and won in roulette in different casinos. Before the usage of algorithms, he studied the wear and tear of machines and made a fortune. Some casinos banned him from gambling.