What Is a Range?

Intermediate

Definition

A range is all the possible hands a player could have in a given situation. Instead of thinking "do they have pocket aces?", range thinking asks "what hands would they play this way?"

Range = All possible hands a player can hold

From Hand vs Hand to Range vs Range

Beginner Thinking Range Thinking
"Do they have it?" "What hands are possible?"
Guessing one hand Considering all hands
Binary yes/no Probability distribution
Reactive Systematic

Visualizing Ranges

The 13x13 Grid

Ranges are often shown on a grid:

    A  K  Q  J  T  9  8  7  6  5  4  3  2
A  [AA][AKs]...
K  [AKo][KK]...
Q  ...
  • Diagonal: Pocket pairs
  • Above diagonal: Suited hands
  • Below diagonal: Offsuit hands

Range Notation

Notation Meaning
AA Pocket aces
AKs Ace-king suited
AKo Ace-king offsuit
TT+ Tens or better
AQs+ AKs and AQs
22-77 Pairs twos through sevens

Range Examples

Tight UTG Range (~12%)

Pairs TT+
Broadway AQo+, AJs+, KQs

Wide BTN Range (~45%)

Category Hands
Pairs All (22+)
Suited Most
Offsuit Many broadways

Ranges Change by Action

Every action narrows or defines a range:

Action Range Implication
Open UTG Strong range
3-bet Very strong or bluff
Call 3-bet Medium-strong
Check back flop Marginal or trap
Bet-bet-bet Polarized

Why Range Thinking Matters

Benefit Explanation
Better decisions Based on all possibilities
Exploiting patterns "They always X with Y"
Balanced play Your range vs their range
Accurate equity Calculate against ranges

Common Mistakes

Mistake Problem
Putting villain on one hand Ignoring other possibilities
Not updating ranges Ranges narrow each street
Ignoring your own range Balance matters

Key Takeaway

Ranges are the foundation of modern poker thinking. Instead of guessing if they have "the hand," consider all hands they'd play this way. Every action provides information that narrows their range.

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