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FlopZoom Tutorials: Intermediate
UBP

The Uncalled Bet percentage can indicate how often a player bluffs successfully. And, if the uncalled bets are relatively small, you'll know that there's a small-baller at your table. A quick glance at the session pane's pots graph can tell you whether high-UBP players are small-ballers or big bullies. UBP is updated as you're playing, so you can track how often your opponents win without making it to a showdown in real time.

A higher than average UBP number means that the player made more bets that weren't called than the other players did. Since the bets weren't called, there was no showdown and we don't know the player's hole cards unless they intentionally showed them. A high UBP could also indicate that a player simply got hit by the deck, bet their big hands, and got no action.

Of course, UBP should be considered in context. You need to compare the relative UBP of players in a session to see who is getting called less frequently than the others. If you're playing a session and you see that one of your opponents has an unusually high UBP percentage, you might think about raising them once in a while.

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From what Position?
In the above graph, nobody seems to be a bluff monster. But villain_b has the highest uncalled bet percentage of the four players chosen. Overall, he won without a call nearly 38 percent of the hands he played. But what about when he was in specific positions? We clicked the various position buttons and found that me made the most uncalled bets in hijack position (two right of the button).

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We can see that he was called very infrequently in hijack. The 25 percent UBP preflop and 50 percent on the turn gives him a whopping 75 percent overall UBP. In other words, three quarters of the bets or raises he made, when he was in the hijack position, were not called.

It's not because he moved all-in: we see that his AIP (all-in percentage) is zero when he was in hijack. He definitely appears to have been using late position to his advantage. Let's take a look at the players' AF (aggression factor) to see if villain_b outplayed his opponents.

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Yes he did. His overall AF of 6.0 was by far the highest of all players tracked in this session. He had conditioned his opponents to expect aggressive play through all hands he played.

But what about when he was on the button? Isn't that a great place to steal from?

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You would think so, but villain_b never made an uncalled bet or raise when he was on the button. Everyone is hip to stealing from late position, but you'd still expect a relatively active player like villain_b to bust out a button raise once in a while.

To determine the true bluffiness of a player, you can click over to the analysis pane. There's an advanced tutorials chapter on bluffs, but bear with us. We're almost done with the intermediate tutorials.
 

Position and Opponent Count
Just as in the VPP tutorial, you can filter your results for any number of opponents, or full table, short handed, or heads-up. And you can also show PRP for any position or filter for an exact position or a position range.
 

Instant Playback
If you are looking at a single session, you can click any player's UBP bar to play back all the relevant hands. If you click back to the playback pane you'll see just those UBP hands for that player in the hands list for you to choose.
 

Summary
You're doing well if you aren't getting called too often. On the other hand, you can't win a tournament unless your opponents call you and you win.

Intermediate Tutorials:
VPP | PRP | AF | C-Bets | 2/3/4+Bets | SDP | SWP | UBP | AIP | Intervals