Basic Example of the Martingale System . To understand the strategy, let's look at a basic example. Suppose you have a coin and engage in a betting game with one friend of either heads or tails ...

Martingale Double Downs Explained. With this system, you double your opening bet until you earn the same amount. Effectively, you are staking 2x the amount of your previous bet.

Using the Martingale strategy, they double the wager to $4 on the next bet. They win, gain $4, and total equity equals $12. One win recouped all previous losses.