This system is one that is designed so that when the player has won over a 3rd of their bets (less than the expected 18/38), they will win. Whereas the martingale will trigger wreck within the event of a protracted sequence of successive losses, the Labouchère system will trigger bet dimension to develop quickly even where a shedding sequence is damaged by wins. This occurs because as the player loses, the typical wager dimension in the line will increase. When a successful quantity and shade is determined by the roulette wheel, the dealer will place a marker, also called a dolly, on that number on the roulette table structure.