Standard Deviation

[Razzputin]

I was recently given this link to calclate my expected winrate:
http://www.svenskpoker.com/math.php?hand...lc=Submit+Query

However, I do not know how to calculate the standard deviation needed. Little help?

[uDevil]

Most people playing online get this number from software like PokerTracker. If you only track your session results, you can find a method to estimate it in Mason Malmuth's book Gambling Theory and Other Topics. You could also just assume a typical number like 15 BB/100 if you play full-ring limit.

Edit: I found a web page which uses Mason's approach and seems to be accurate. Here it is:

http://www.bet-the-pot.com/bankroll-...on-page43.html