What is ‘Backtrack’?
The “Backtrack” is a commonly used name for the outer rim of a roulette wheel, where the ball is spun by a croupier or casino staff member. It is also known as the “Ball Track” or sometimes simply the “Track”. Although there can be slight variations between roulette wheels, in most casinos the Backtrack will be a circular track which runs around the wheel’s circumference. The roulette croupier will spin the ball around the “Backtrack” and the ball will fall onto one of the 38 colored numbers on the wheel once it loses momentum.
Casinos do everything in their power to ensure that the “Backtrack” or “Ball Track” is as even as possible on the roulette table. The table must be able to support the weight of the roulette wheel evenly so as to prevent a “titled wheel”. A titled wheel occurs when the angle of the roulette wheel is varied and the tilt of the Backtrack or Ball Track can cause the roulette ball to land on certain numbers more frequently than others.
Professional gamblers have been known to use “tilted wheels” and angled “Backtracks” in order to beat the house and win more money during games of roulette. These colored numbers which the roulette ball is more likely to land on during a “titled wheel” game are referred to as “Diamonds” or “Dominant Diamonds”.
In some casinos, even a player who leans on a roulette table can cause a “tilted wheel” effect. Most casinos make an extra effort to level their roulette wheels and prevent players leaning on roulette tables but professional gamblers have become particularly subtle at tilting the wheel to an angle which will allow them to predict the number the ball will land on once it has come off the “Backtrack”.