J9s BTN on K75r: Bluffing the Bottom
- Hero
- J♠9♠
- Position
- BTN vs BB
- Pot
- 3-Bet Pot
- Flop
- 5♦ 7♥ K♠
We correctly identified a river bluffing opportunity with our missed draw, but must fold when faced with a massive check-raise.
Flop Analysis
Checking back is a solid choice here. While we have a range advantage on this King-high board, our specific hand is at the bottom of our range and benefits from realizing its backdoor equity for free.
**Ranges:** We have a significant equity advantage (57%) because we have all the Kx and sets that BB might check. BB's range is heavy on Ace-high and pocket pairs like QQ-TT that are now in a tough spot.
**Board:** This is a very dry texture. There are no immediate straight or flush draws, which reduces the need for us to protect our range with frequent betting.
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> **Takeaway:** On dry, high-card boards where you have a range advantage, checking back your weakest hands allows you to realize equity without getting blown off the pot.
Turn Analysis
Calling the small lead is the most stable play. We've picked up a gutshot straight draw and are getting excellent pot odds to continue.
**Math:** Facing a 31% pot bet, we only need about 19% equity to call. With our gutshot and overcard potential, we are comfortably within the threshold to see a river.
**Sizing:** BB's small sizing often indicates a merged range or a weak lead with hands like Qx or mid-pairs. This makes raising a viable semi-bluff, though calling is the higher-frequency range play.
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> **Takeaway:** When facing small stabs with a draw and good pot odds, calling is the standard way to realize your equity in position.
River Analysis
This is a textbook bluffing spot. After BB checks twice, their range is capped, and our hand has zero showdown value, making it a prime candidate to turn into a bluff.
**Ranges:** BB's range is very condensed into marginal made hands like second pair (Qx) or third pair (7x). By betting, we put maximum pressure on these hands which cannot comfortably call a significant bet.
**Blockers:** Our Jack blocks some of the straights (like J9) and some of the better Qx hands BB might have called with, slightly increasing our fold equity.
**Sizing:** A medium sizing of 60-70% pot is effective here. It's large enough to fold out all high-card hands and puts mid-pairs in a miserable spot without risking the full stack.
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> **Takeaway:** When your draws miss and the opponent shows weakness by checking twice, use your range advantage to bluff the bottom of your range.
River Analysis
An easy fold. Once BB check-raises this large on the river, they are almost never bluffing. We have pure air and must let it go.
**Ranges:** BB's check-raise represents extreme strength, likely a slow-played set or a turned two-pair. Since we beat nothing but a total stone-cold bluff, and BB has very few of those after taking this line, we exit.
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> **Takeaway:** Don't fall in love with your bluffs; when the capped range suddenly uncaps itself with a river raise, believe them and fold.
Key Concepts
- 4.2
- Hero Strong Advantage
- IP
- Dry Board
- LEAN TOWARD CHECK