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06-11-2008, 04:55 PM
Post subject: BB/100 Formula
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#1 (permalink)
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Anyone know the formula to calculate BB/100 for NLHE? For LHE, BB = Big Bet, so for NLHE does BB = the Big Blind or the Big Blind x2?
Up until the past few sessions, I've solely measured my success by the increase/decrease in bankroll. I've been keeping a few records lately however, and am curious to know what my BB/100 is.
As you can guess, I don't use PT and I'm not a mathematician.
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Stacks
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4-of-a-Kind
Join Date: Jan 2008
Location: Im opedipus bitch, the original balla.
Posts: 2,605
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The way I understand it bb/100 is big blinds/100 hands. So if you are playing 10nl and in 100 hands are up $1 you are making 10bb/100.
However, some regs also talk in terms of ptbb/100. That is big bets/100 hands. And a big bet is 2 times the big blind. So if you play 100 and are up $1 then you can say you are running at 5ptbb/100 (10bb/100).
That's how I understand it, and I believe it is correct.
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Robb
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4-of-a-Kind
Join Date: Aug 2007
Posts: 3,072
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Quote:
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Originally Posted by XxStacksxX
The way I understand it bb/100 is big blinds/100 hands. So if you are playing 10nl and in 100 hands are up $1 you are making 10bb/100.
However, some regs also talk in terms of ptbb/100. That is big bets/100 hands. And a big bet is 2 times the big blind. So if you play 100 and are up $1 then you can say you are running at 5ptbb/100 (10bb/100).
That's how I understand it, and I believe it is correct.
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This is exactly right. On FTR, most of the time the regs mean "ptBB/100" even when they type "BB/100."
To do quick-and-dirty calculations, I think this way, since most max buyins are 100bb (big blinds):
+1 buy-in / 1k hands = 5 ptBB/100
That's a real decent win rate for any level. Some guys talk about the days when players at the micros consistently won at 10 ptBB/100 or more. That was pre-UIEGA, though. Most FTR guys seem to consider 5 ptBB/100 crushing the 50nl and 100nl levels, but expect higher win rates lower down. At 200nl and up, I don't know sh!t.
Most months I beat 10nl at 6 - 8 ptBB/100, depending on the game, the site, how well I'm playing and how little I'm experimenting.
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Okay, I understand that. But I want to calculate my bb/100 and/or ptbb/100 for each session, and then over a number of sessions.
For example, I played a small, hour-long session last night of 239 hands at $50 NL. My profit for the session was $92.10; therefore, what would be my bb/100 or ptbb/100 for this session and how did you arrive at that figure? Blinds are $.25/.50, obviously.
I'm sure it's a simple math equation, but I'm just not sure how do to it. 
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Warpe
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Moderator
Join Date: Sep 2005
Location: Canuckistan
Posts: 3,905
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$92.10 x 2 = 184.2 bb
184.2 bb/(239/100) = 77.07bb/100 or 38.536PTBB/100
77.07bb/2 = 38.536PTBB/100
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Quote:
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Originally Posted by Warpe
$92.10 x 2 = 184.2 bb
184.2 bb/(239/100) = 77.07bb/100 or 38.536PTBB/100
77.07bb/2 = 38.536PTBB/100
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Thanks! Now I feel dumb.
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