to Win Calculator
This screen can be used to calculate the hands required to reach a
specified goal given a desired risk of ruin. Here, risk of ruin is defined
as the probability that you will go bankrupt before increasing your bankroll
by a desired amount. There are five variables defined as follows:
- Goal in units: This is the number
of units that you wish to finish with including the bankroll that you
- Bankroll in units: The number of units
that you start with.
- Win rate per 100 hands: The
units that you win over 100 hands. You can get this number from a simulator,
or look it up in Don Schlesinger's Blackjack Attack.
- Standard Deviation per 100 hands:
You can get this number from a simulator, or look it up in Don Schlesinger's
- Probability of Success: The desired
probability of success. That is, 90 would indicate a 90% chance of success.
You are willing to take a 10% chance of losing the bankroll.
The result of this calculation is the number of hands you must play
to win the desired goal without losing your bankroll with the specified