Definitions for "Martingale System"
Keywords:  roulette, flawed, double, wins, bet
The Martingale System is the most commonly used betting system. It involves a progression of bets, doubling on losses, with the aim of always covering a loss. This system is often used at the roulette tables.
roulette system which claims that you can win at roulette by choosing a bet with a 50-50 chance of winning (such as red or black), and doubling your bet every time you lose. The system, however, is flawed and can involve the player risking large losses for a very small profit.
A doubling up system after each loss.