GlossaryStrategy

Range

The full set of hands a player could have in a spot, rather than one specific hand.

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What it means
Good players reason about ranges: every hand the opponent would play this way, each weighted by how often they would.
How it is calculated
Ranges are written in shorthand such as "22+, AJs+, KQo", and drawn on a 13 × 13 grid of hand classes.
Worked example
"TT+" means tens, jacks, queens, kings and aces: 5 pairs × 6 combos = 30 combos, about 2.3% of all 1,326 starting hands.
Why it matters
You can never see the opponent's cards, so every equity and EV number in this app is computed against a range.

Try it: Range browser, Poker odds calculator, Range equity calculator

Used in: Preflop charts, one page each

Lessons that teach it: Let the bet reshape the range, How much of your range must continue, A range has weights, not just hands · lessons other than the free one need an invite

See also: Combo, Equity, Blocker