Checking back the river because 'the pot is small anyway' is a massive long-term leak. Learn the principles and criteria for thin value betting.
Betting the river with a hand that isn't the nuts but beats more than 50% of your opponent's calling range.
A♦6♣ = top pair weak kicker
Not the nuts, but beats most of Villain's calling range (A5, A3 — weaker ace kickers, 99-77 middle pairs)
Checking back misses value from Villain's weaker aces
33% bet → Villain's weak aces call → value extracted
If raised, fold — bet-fold is the correct line
Thin value bet = small sizing (25–40% pot)
| Size | Purpose | Risk |
|---|---|---|
| 25–33% | Maximize calls from weak hands | Small loss if raised |
| 50%+ | More value but weak hands fold | Not suitable for thin value |
River Thin Value Bet Decision
Source: GTO Wizard Blog, Upswing Poker
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