Using the dealer's signature\n\n One way of predicting where the ball might land in a game of roulette is to look for the dealer's signature, also known as sector slicing. This theory suggests that the dealer may hit the same numbers more often due to the way in which they spin the wheel.

However, it's important to note that the house always has an edge in roulette, as with most casino games, to ensure that over time, the casino will make a profit. Outside of a poorly trained or bored dealer spinning the wheel and ball exactly the same, with exactly the same release, Roulette is random.

Charles Wells might not have had the best reputation but he was good at roulette. One evening in 1891, Charles went to the world-famous Monte Carlo Casino Resort and started playing roulette enjoying a winning streak of a lifetime (winning 23 out of 30 consecutive spins).

It's a 9 chip bet covering 16 numbers either side of the zero, so a 17 number bet in total. In the example above, the blue chips are 5s and the pruple chips are 10s. The proper name for this bet is Grand Voisins du Zro: it's 17 numbers between (and including) 22 and 25 on a European Roulette Wheel.