The idea is the same as D’ALEMBERT gambling strategy except that fact, that you increase the stake when you’re winning and decreasing – when you’re losing.
The example (the coefficient 2):
| Stake | Winning | Balance |
| 1 | 1 | +1 |
| 2 | 4 | +3 |
| 3 | 6 | +6 |
| 4 | – | +2 |
| 3 | … | … |
As you can see this strategy should be better used on the stakes, which win more often (especially time after time) than lose.