Standard Deviation in Turbo STTs - Beginning Poker Questions

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Standard Deviation in Turbo STTs

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11-19-2011 , 10:08 AM

self

journeyman

Join Date: Apr 2011 Posts: 323

In calculating my RoR I used Standard Deviation as 1.7 (I play Turbo 6-man Single Table Tournaments). I've found this number on various poker tools websites, such as ev++.

However, after playing around 100 games, my HEM2 lists Std Dev at 5.37 big blinds. That is way off and changes the Risk of Ruin drastically.

For instance, if you have 100 buy-ins for a limit you beat with 10% ROI and a Std Dev of 5.37, that translates into a whooping 50% RoR! Impossible right?

Whereas using 1.7 as Std Dev in the same computation, results in a 0.0987% RoR!

Whats flawed here?

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11-19-2011 , 04:39 PM

sputum

Carpal \'Tunnel

Join Date: Feb 2006 Posts: 6,435

I would guess the 5.37 is supposed to be buyins, in which case it's wrong

Maybe your HEM is measuring hand results in bb rather than tourney results in buyins or something of that kind.

EDIT: it seems easier to simulate actual finish distributions randomly than worry about SD and that kind of thing if that's what you are interested in

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