This strategy is a new version of the already existing d'Alembert Progression.
The implementation now complies exactly with the rule, to lower the bet by one unit after a win, even if the amount is <= 1.
As only real booked amounts are listed in the tests betlog, there is noted a 0. ( +0 instead e.g. + -2 )
In the balance charts those phases are shown as a flat horizontal areas.
This is the results and histories
of both strategies for direct comparisons: