How to read your opponents in poker: ranges, bet sizing and tells

To read opponents in poker, you work out the range of hands a player could hold and narrow it with each action they take. You’ll almost never pin down their exact two cards. What you can do is cross off hands that don’t fit their bets, count what’s left, and compare that with the price you’re being offered. Timing, bet sizes and physical tells only sharpen a read that starts with the range.

This guide follows one opponent through a whole hand, from a 206-combination opening range to a river bet, and shows how the same river decision flips from a fold to a call depending on what kind of player is betting. Then it covers the tools that refine a read: player types, bet sizing, timing, notes and live tells.

Read ranges, not exact hands

When a player raises, they could hold any of the hands they’d raise with in that spot. That set is their range. Your job isn’t to guess “he has ace-king”; it’s to ask “of all the hands he’d play this way, how many beat me and how many don’t?”

Counting starts with combinations. Each starting hand comes in a fixed number of suit combinations:

• A pocket pair (such as Q♠ Q♥) has 6 combinations.
• A suited hand (A♠ K♠) has 4.
• An offsuit hand (A♠ K♥) has 12, so A-K in total has 16.

That’s why ace-king is more likely than a specific pair: 16 combinations against 6. Cards you can see change the count too. If a king is on the board, there are only 3 combinations of K-K left and 12 of A-K, because one king is gone. These blockers matter in close decisions; our guide to blockers in poker goes further.

You’re not trying to see his cards. You’re trying to see which of his hands are still possible.

Narrow the range street by street

To see how a range shrinks, we’ll follow one player through one hand. It’s a $0.25/$0.50 six-max cash game. A player opens from under the gun (UTG), the first seat to act, and you call on the button with J♥ J♣. Everyone else folds. We’ll come back to your decision at the end of the guide; here the focus is on him.

Preflop: position and action

Position is the first filter. A player who opens from UTG has five players behind him, so even loose regulars open tighter there than from the button. A reasonable UTG range in six-max is about 15% of hands: every pair, every suited ace, the strongest suited kings and queens, a few suited connectors, and A-J or better offsuit plus K-Q. That’s 206 combinations.

A different action would give a different starting point. A limp, a min-raise or a 3-bet each suggests its own range, and players repeat their habits. Our starting hands chart and guide to poker positions show typical ranges by seat.

Flop

The flop comes K♠ 8♦ 3♣. The cards on the board remove a few combinations, leaving 184. Sorted by what they make, his range now holds:

He bets a third of the pot. On a dry king-high flop, the preflop raiser can bet small with almost everything, because his range is stronger than yours here and few turn cards hurt him. That makes this bet nearly useless for reading: it doesn’t separate his kings from his A-Q. You call. More on why some flops favour the raiser is in our guide to board texture.

Turn

The turn is the 5♥, and he bets again, this time two-thirds of the pot. A second, bigger bet is where most ranges split. A typical player now bets with hands that want money in the pot and checks the rest. For this example we assume he bets:

• Value: sets, aces, and top pair with a jack or better (A-K, K-Q, K-J suited), 42 combinations.
• Draws: A-4 suited and A-2 suited, which picked up a gutshot to a wheel (A-2-3-4-5), 8 combinations.

He checks the other 130: smaller pairs that want a cheap showdown and the A-Q and A-J that missed. From 184 combinations he’s down to 50, and most of them beat jacks.

River

The river is the 9♠. Nothing completes: the wheel draws missed, and the 9 changes nothing for kings or aces. He bets three-quarters of the pot. What he bets with now depends on the kind of player he is:

• A cautious player bets his 39 value combinations (K-J suited now prefers to check) and bluffs with the 8 missed wheel draws. Bluffs: 8 of 47, or 17%.
• An aggressive player also fired the turn with A-Q and A-J and bets them again on the river as bluffs. With your two jacks blocking some A-J, that adds 24 combinations. Bluffs: 32 of 71, or 45%.

That gap, 17% against 45%, is the whole value of reading your opponent. The cards and the bet are identical; the read on the player decides the call, as the worked hand below shows.

Sort players into a few profiles

You won’t have time to build a range from scratch for every player in every hand. Profiles give you a starting point that you adjust as you see more. Two questions sort most players: how many hands they play (tight or loose) and how they play them (passive or aggressive).

• Tight-passive: plays few hands and rarely raises. When this player bets big on the turn and river, the range is mostly strong. Fold more of your bluff-catchers. Our guide on how to beat tight players covers how to take their blinds.
• Tight-aggressive: few hands, played with bets and raises. The typical competent regular, with balanced-looking lines; read their sizing more than their frequency.
• Loose-passive: plays many hands and calls a lot, the classic calling station. Bet your value hands bigger and bluff them rarely; see our guide to calling stations.
• Loose-aggressive: many hands, many bets. Their bets carry more air, so your bluff-catchers gain value, but they also punish weak calls on later streets.

A profile is a hypothesis, not a verdict. A tight player on a losing streak may loosen up; a loose player may tighten after a big win. Update the label when the showdowns tell you to.

Bet sizing patterns

Bet size often says more than the decision to bet. Most players, especially at low stakes, size their bets by hand strength without noticing they do it.

• Small bets (a quarter to a third of the pot) on the flop usually mean a range bet, as in our example. On the river, a small bet from a player who usually bets big often means a thin value hand that fears a raise, or a “blocking” bet to see a cheap showdown.
• Big bets and overbets on the turn and river tend to be polarized: strong hands or bluffs, rarely medium ones. Against a player who never bluffs, an overbet is a fold for most bluff-catchers.
• Donk bets (betting into the previous street’s aggressor) from recreational players often mean a medium hand they want to “find out” with, or a draw.
• Min-raises on the river from passive players are almost always very strong.

Sizing tells work against players who don’t think about sizing and fail against those who do. A solver-trained regular uses the same sizes with strong hands and bluffs on purpose, which is the point of GTO strategy. Against those players, ranges and frequencies matter more than any single bet.

Timing tells online

Online, the clock replaces the face. How long a player takes can carry information, but only when you compare it with how long that same player usually takes. Here are the common patterns and the reasons they break down:

Treat timing as a tie-breaker, not a read on its own. Players who run many tables act at a mechanical pace, and anyone using pre-action buttons produces “instant” decisions that mean nothing.

Reading players when HUDs are banned

For years, online reads came from HUDs, stats laid over each player built from tracked hands. Several big sites now ban them, so the rules depend on where you play:

On GGPoker, CoinPoker and WPT Global, running an outside tracker, HUD or automatic note-taker can get your account closed and your balance withheld. GG’s client checks for banned programs and won’t let you play while one runs. Use the built-in tools and your own notes.

Without a HUD, notes become your database. Keep them short and factual, so they still make sense to you in three weeks:

• What he showed: “Showed K-T offsuit, 3-bet from BTN vs CO.”
• The line: “Overbet river with a missed flush draw.”
• Sizing habits: “Bets 1/3 with everything on dry flops; 3/4 on turn only with top pair+.”
• A colour label for the profile, so you can see it at a glance.

The most valuable notes come from showdowns, because they’re facts rather than guesses. GG’s Smart HUD counts only hands you saw yourself, which puts everyone on equal terms: our PokerCraft guide shows what it tracks, and the reviews of GGPoker and PokerStars set out each site’s software rules.

Live poker tells

At a live table you get more information and more noise. The famous tells from films are mostly unreliable on their own; the useful ones come from comparing a player with himself.

Find the baseline first

Watch each player when they’re not in the hand and in hands that reach showdown. How do they normally stack their chips, talk, sit, breathe, bet? A tell is a change from that baseline, not a behaviour in itself. A player who always talks isn’t telling you anything by talking; a talker who goes silent might be.

Tells worth watching

• Glancing at chips right after the flop or turn card: players often look at their stack when the card helped them, already planning a bet.
• Speed of the bet: a quick, confident bet and a slow, deliberate one mean different things for different players, so compare them with that player’s usual pace.
• Talking during a hand: relaxed chat often comes from players who are comfortable with their hand; forced or sudden silence can mean tension.
• Reaching for chips before it’s their turn: a player ready to call or bet is rarely trying to stop you from betting with a bluff.
• Re-checking hole cards after a suited flop: often a player checking whether one of their cards matches the suit, which usually means they don’t hold two.

Why tells mislead

Experienced players act. They know the classic tells and some reverse them on purpose, staring you down with nothing or slumping with the nuts. Nervous beginners shake with strong hands and with bluffs alike, and some players simply have tics. Weigh every physical tell lightly, never against the maths of the pot, and never by stereotypes about age, nationality or appearance.

Worked hand: a river call or fold

Back to the hand from the start. You called with J♥ J♣ on the button against a UTG open, called a small bet on K♠ 8♦ 3♣ and a two-thirds bet on the 5♥ turn. Here are the three streets as you saw them.

The price first. You must call $9.50 to win a final pot of $31.65, so you need to win 9.50 ÷ 31.65 = 30% of the time. Your jacks beat every bluff in his range and lose to every value hand, so the question is simply whether at least 30% of his betting range is bluffs. The full table of bet sizes and the equity each needs is in our guide to pot odds.

• Against the cautious player (17% bluffs), calling loses: 0.17 × $22.15 won against 0.83 × $9.50 lost is about −$4.10 per call. Fold.
• Against the aggressive player (45% bluffs), calling wins about +$4.80 per call. Call.

Look at how close the line is: against the cautious player’s 39 value combinations, you’d need 17 bluffs to break even, and he has 8. One read, “does this player barrel A-Q on the turn?”, is worth $4 to $5 in this single pot, whichever way it goes. That’s why notes on showdowns are worth more than any timing tell, and why our guide to bluff catching starts with the opponent, not the cards.

What if you don’t know which kind of player he is? Then lean on what you’ve seen from similar players at your stakes, decide, and make sure this hand goes into your notes if it reaches showdown. One clear data point beats any number of guesses.

Mistakes when reading opponents

Most bad reads come from a handful of habits. Each looks reasonable in the moment, which is why they repeat.

Building a read from one hand. A player who bluffed once isn’t “a bluffer”; one showdown is a data point. Wait for a pattern before you change your calls.

Putting the player on one hand. “He has A-K” ignores most of the 50 combinations he could bet the turn with. Count the range and you’ll see how often the hand you fear is only a part of it.

Ignoring position and the preflop action. A UTG opener and a button opener don’t hold the same hands on the same flop, even with the same bet.

Letting a tell overrule the maths. A shaky hand doesn’t make a call good when the price needs 40% bluffs from a player who rarely bluffs. And after a bad beat, reads get worse; our guide to tilt covers why.

Don’t give away reads yourself

Everything you read in others, they can read in you. The fixes are simple habits:

• Keep your timing steady. Take about the same time for routine decisions, whether you have the nuts or nothing. Avoid pre-action buttons in hands you play.
• Use the same sizes with value and bluffs in the same spot, so your bet size doesn’t reveal your hand.
• Give each line a mix of hands. If you only bet the turn with strong hands, observant players will fold to your bets and call your checks. Our guides to exploitative play vs GTO and bluffing cover how to balance them.
• Live, do the same thing every time: look at your cards once, bet with the same motion, keep the same posture. Boring is unreadable.

Reading opponents and hiding your own reads are two halves of one skill. The more consistent you are, the more the inconsistencies of others stand out. For the streets where most reads pay off, see our guide to turn and river strategy, and for the maths behind it, equity in poker.

Reading opponents FAQ