[flyangler]

Something like that. You will win ~26% of the time. Suppose 1 person folds, so there are only 3 of you left. You each contribute 1SB, for a total increase of 3SB to the pot. Your share is 3/4 = 0.75SB.

To gain that 0.75SB, you put in 1SB. Therefore the EV of your action was -0.25SB and you lost money.

Conversely, suppose there were 5 of you that called a bet on the turn. Then 5SB would go in, and you would get 5/4 = 1.25SB share of it, for which you paid 1SB, for a net gain of +0.25SB.

That's the sort of calculation people mean by pot equity.

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That is basically what I was trying to say in my primative way. [img]/images/graemlins/tongue.gif[/img]
Why are you referring to the turn bets as SB? Aren't they BB?
This has been a VERY enlightening conversation. thanks to everyone who has contributed so far!