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Bluffing Postflop and Fold Equity

Bluffing · updated 2026-03-08

Main Idea

Poker profit consists of two parts: 1. Equity (your share of the pot at showdown)
2. Fold Equity (your profit from opponents folding)

Winning poker is impossible without understanding the other side of the coinbluffing and Fold Equity. This is just as mathematically justified as value betting.


Definitions

Fold Equity (FE)

The probability that an opponent will fold to our bet/raise.
→ FE = % of their range that folds to our action.


Types of Bluff

Type Equity vs call Example
Pure bluff < 10% Complete air
Bluff with equity 10–25% Gutshot, 1 overcard
Semi-bluff 25–50% Flush draw, OESD

Semi-bluffs are covered in the "Draw Postflop" section; here the focus is on the first two types.


Profit Formulas

1. Simplified bluff formula:

EV = Fold Equity − Breakeven %

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Breakeven % (break-even point):

B / (Pot + B)

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Sizing Breakeven %
25% 20%
30% 23%
50% 33%
70% 41%
100% 50%
120% 54%

→ If fold % is greater than breakeven %, you profit.
→ Profit = difference between Fold Equity and breakeven.


2. Full formula (for bluffs with equity):

EV = Fold Equity − Breakeven + (Equity × Realization Coefficient)


Example Calculation

Situation:

→ EV = 35 − 23 = +12% profit

If you have 12% equity and realize 50% of it:
→ Extra to EV = 12 × 0.5 = +6%

Total profit: 18%


Bluff-raise Efficiency Table

Raise (x) vs 33% Bet vs 50% Bet vs 67% Bet
2.5x 40% FE 45% FE 50% FE
3x 43% FE 49% FE 55% FE
4x 50% FE 55% FE 62% FE

The bigger the opponent's bet, the higher the profitability threshold and the fewer hands they fold.


Exploit Strategy


Common Bluffing Mistakes

Mistake Explanation
Emotional bluff Triggered by tilt or revenge, not based on EV
Narrow value representation People don’t believe “representations”; structure and logic matter
Illogical sizing Bluff should look like value
Bluff vs strong line Aggression usually = strength, not weakness
Bluff on paired boards (esp. turn/river) Too much slowplay and value in response
Bluff on dry boards vs opponent's check Often capped pot-control hands with SDV (won’t fold)
Desperate bluffs "Maybe he folds…" → Not mathematically justified

Main Rule

Bluffing is an essential part of a winning strategy.
Not bluffing in profitable spots = same mistake as missing value bets.


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