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River play
No more cards, no more equity, only value or a bluff. The river punishes lazy decisions the hardest and rewards sharp range reading.
On the river your hand is final. The only questions: which worse hand pays me off, and how often do they bluff when I have to bluff catch?
The four core ideas
Polarisation
On the river there is no equity left, your hand is final. Big bets are polarised: strong value or a bluff, little in between. Your middling hands mostly check.
Thin value
A thin value bet wins from hands that are worse and still call. If only better hands call and worse ones fold, do not bet, you are "value-owning" yourself.
Bluff selection
The best bluffs are missed draws with blockers on the nuts. A hand with no showdown value that blocks your opponent's strongest combos is an ideal bluff candidate.
Bluff catching
With a bluff catcher you compare the pot odds with how often your opponent bluffs. Call too often and you pay off their value; too rarely and you let yourself be exploited.
Value or bluff, the only two reasons
Every river bet has exactly one purpose: value (making a worse hand pay) or a bluff (making a better hand fold). Does your bet do neither? Then you check. That simple split prevents most river mistakes.
With value, your sizing decides who comes along: polarised big with your strongest hands, smaller for thin value where you want weaker hands to call. With bluffs, pick combos that block the strong calling hands, that raises your fold equity.
Bluff catching without feelings
When you can be bluffed, you calculate: how much equity do I need (pot odds), and how often does this player really bluff? Against passive players who rarely bluff, you fold your bluff catchers; against aggressive players you call more often. What you already put in the pot does not count, that money belongs to the pot, not to you.
Common river leaks
Hero calling on a feeling
A call has to rest on pot odds + an estimate of the bluff frequency, not on "I do not believe you". Against passive players who rarely bluff, your bluff catcher is often simply a fold.
Never bluffing
If your river bets are always value, nobody ever has to pay you off. A balanced amount of bluffs (missed draws with blockers) makes sure your value bets get paid.
Value-owning yourself
Betting a marginal hand for "value" while only better hands call costs money. Ask yourself: which worse hand pays this off? None? Then check.
Sizing detached from your goal
Polarised (nuts or bluff): bet big or overbet. Thin value: bet small so weaker hands come along. One sizing for both goals leaves EV on the table.
In short
Bet only for value or as a bluff, otherwise check. Maximise value with polarised sizing, pick bluffs with blockers, and bluff catch based on pot odds and bluff frequency instead of feel. The river is where disciplined players take the money that others give away.
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