We correctly floated the flop with an open-ended straight draw but found a disciplined fold when the board paired and Villain continued their aggression.
Flop Analysis
Calling is the primary play here. We have an open-ended straight draw to the nuts on a texture that, while favoring the raiser, allows us to realize equity effectively in position.
**Ranges:** CO has a significant range advantage with more Ax and strong broadway pairs like AQ or sets of Queens. However, our range contains all the suited connectors and enough Ax to defend against this 77% pot sizing.
**Board:** The Ace and Queen are high-card heavy, but the 9h provides us with the straight draw. The presence of two spades means we must be cautious of flush draws, though our JdTc doesn't block any of Villain's spade bluffs.
**Sizing:** Facing a large 77% pot bet, we need roughly 30% equity to continue. With our straight draw and occasional backdoors, we have about 34% equity, making this a clear continue.
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> **Takeaway:** When you flop an open-ended straight draw to the nuts in position, you have the necessary equity to float even against large sizing.
Turn Analysis
Folding is the correct disciplined play. The second Ace is a poor card for our specific hand as it reduces the likelihood that Villain is bluffing with a weak Ace and increases their boat combinations.
**Board:** The board pairing the Ace is highly polarising. It makes it much harder for us to represent strength and significantly improves the top of Villain's range (AQ, A9, AA) while killing some of our own potential two-pair outs.
**Blockers:** Holding the Tc is actually slightly detrimental here as it blocks some of the straight draws Villain might be semi-bluffing, such as KJ or KT, which would have been the hands we wanted them to have when we call.
**Math:** We are getting 2.8:1, requiring about 26% equity. While we have exactly that against a balanced range, the risk of being drawing dead against full houses (99, AQ, A9) makes this a high-variance continue that the solver mostly avoids.
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> **Takeaway:** When the board pairs the high card on the turn and the aggressor fires again, your weak draws lose significant value and should often be released.