f(x)= C(1/x)
f(x)= the amount of cash you win/lose ($)
x = the amount of tabels
C = konstant, depends on how fast your brains works [img]/images/graemlins/smile.gif[/img] etc.

^ f($)
|.............
|\................
|..\...............
|....\.............
|.....\............
|......\...........
--------------> x (tabels)

I hope this solved your problems [img]/images/graemlins/wink.gif[/img]