Overbet
An overbet is a bet larger than the pot, which asks the opponent for a worse price than any normal size and therefore needs a range that can support it.
The price it sets is the point. A bet of twice the pot asks the caller to be right 40% of the time, and a bluff at that size only needs to work about two times in three to pay for itself.
It works when your range contains hands the opponent cannot beat and theirs is capped. Overbetting into a range that holds every strong hand simply builds a pot you are behind in, which is why the size is a statement about ranges rather than about your cards.
an example
your cards
board
The river brings a third heart and you hold the two best ones, so nothing can beat you. The pot is 100 and you bet 200, because a hand that cannot be beaten loses nothing by asking for the worst price in the game.
This example is made up. The real one is in your own hand history: find overbet in your own hands and see how often it came up and what it cost you.
related terms
Bet sizing
Bet sizing is the choice of how much to bet, which sets the price your opponent is offered and therefore how often they ...
Polarized
A range is polarized when it consists of very strong hands and bluffs with almost nothing in between, which is the shape ...
Capped range
A range is capped when the way it was played has ruled out the strongest hands, so there is a ceiling on how good it can ...
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Knowing the word is not the same as seeing it.
Forty hands against a bot, no account, and your own hand history at the end.