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Old 12-02-2005, 07:46 PM
ZeroPointMachine ZeroPointMachine is offline
Senior Member
Join Date: Jul 2005
Location: Las Vegas
Posts: 136
Default Blind Equity Modeling(Excerpt from Scuba Post)

The following hand and discussion seem important. The blind equity feature can have a huge impact on SNGPT results. I think many people are using it without even knowing it is there or what it does. I am especially concerned with the effect it seems to have on hands where you are not paying the blind next hand and what it does with the equity from the BB next hand if you are paying the SB next hand.

Party Poker No-Limit Hold'em Tourney, Big Blind is t300 (4 handed) FTR converter on

Hero (t1440)
SB (t3195)
BB (t2320)
UTG (t1045)

Preflop: Hero is Button with 9[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/club.gif[/img].
<font color="#666666">3 folds</font>.

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I posted this because it turns out this has a +0.9% expected value against Eastbay's default lag calling ranges. That's awfully high to pass up. I didn't know how big a value this was until I reviewed.

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I get the same +0.9% when blind discounting is turned off. With 50% discounting, it's only +0.2%. Discount them 100% and this becomes -0.7%. I guess it becomes very important to understand blind discounting.

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As I understand this blind equity discount modeling should be turned off unless you are UTG(next BB) or BB(next SB). I am not entirely sure why it gives different results when you are not in these positions.

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Because the equity lost by the hands in the blinds has to go somewhere: into everyone else's bank account.

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I assume that is what it is doing. But, I'm not sure why it makes sense to "take" equity from those other stacks and disperse it among the others. The logic that you are going to get your fair share of that equity with your short-stack UTG next hand doesn't make sense to me.

I think this feature was designed specifically to look at your reduced equity for paying the blinds next hand and not to share equity with you because the other stacks have to pay the blinds.

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Old 12-26-2005, 02:35 PM
bluefeet bluefeet is offline
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Join Date: May 2005
Location: galapagos islands of course
Posts: 825
Default Re: Blind Equity Modeling(Excerpt from Scuba Post)


I'm trying to get my old/little brain wrapped around this discounting. I've seen posts recently proposing NOT using it period...use only when you're in a blind next, to what %%?, etc., etc.

Looking at Eastbay's forum, it does appear to have been designed for those occasions when YOU are in a blind next (adjusted based on the likelihood of losing the blind) - yet with it "on", it makes adjustments regardless.

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