Fold equity
What it means
The extra value a bet or raise gets from the chance that your opponent folds. A pure bluff needs your opponent to fold at least bet / (pot + bet) of the time.
Example
A 1/2-pot bet (5 bb into 10 bb) needs 5/15 = 33% folds to make money on that alone; a pot-sized bet needs 50%.
Also called: FE
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