[ QUOTE ]
How about 1% risk of ruin?
[/ QUOTE ]
Assuming a net return of $.99 and an SD of $6.9, about
$111, so like 10 buy-ins.
<edit:> Provisos: You do not vary in stakes after any swings, you do not withdraw funds from the bankroll, and your goal is to at least triple your stake.
I'm sure Bill will correct me if anything I'm saying is off here.