Flop Analysis
Standard check. This J-high rainbow board favors the button's opening range, and we have no reason to develop a leading range here.
Folding an open-ended straight draw with an overcard is a massive mistake; we have the equity to call or the blockers to raise.
Standard check. This J-high rainbow board favors the button's opening range, and we have no reason to develop a leading range here.
After the flop checks through, we continue checking our entire range. The Queen is a strong card for the button's checking range, which likely contains many Qx and Jx hands.
Folding here is a significant error. We have an open-ended straight draw and an overcard, giving us more than enough equity to continue against this sizing. **Math:** We need 30.4% equity to call based on the pot odds. With our OESD (8 outs) and the Ace (3 outs), we have roughly 41% equity, making a fold mathematically incorrect. **Ranges:** The button's flop check-back caps their range, making this combo a prime candidate for a massive check-raise semi-bluff. We block AQ/AJ and can force folds from better marginal hands like JT or 88. **Plan:** If we call, we can comfortably realize our equity on most river cards. If we raise, we maximize our fold equity while maintaining a strong backup plan if the straight completes. --- > **Takeaway:** Never fold open-ended straight draws to a single non-all-in bet, especially when you have overcard outs to the top pair.
Note: Folding an open-ended straight draw with an overcard is a massive equity gift; you should call to realize equity or raise as a semi-bluff.