Avoid betting the bottom of your range on boards that hit the defender's range, especially when facing aggressive check-raises.
Checking back is the preferred play with this specific combo. While we have a range advantage, Q7o lacks the equity or robust backdoor potential to sustain a multi-street bluff.
Note: Betting with the bottom of our range on a board that connects well with the SB's flatting range is unnecessary; checking back realizes equity more effectively.
Folding is the only viable option once we are check-raised. We have zero made value and our backdoor diamond draw is too weak to continue against a range that contains many Jx and flush draws. **Ranges:** SB's check-raise range is polarized between strong Jx, sets (99, 44), and powerful draws like AsTs or KsQs. Our Q7o is essentially dead against the value and flipping at best against the bluffs. **Blockers:** Holding the 7s is actually detrimental here. It blocks some of the SB's natural semi-bluffing hands like 8s7s or 7s6s, making it more likely they are weighted toward pure value hands. **Math:** While the price to call is decent (2.5:1), our raw equity of ~19% is well below the 28.6% required. Continuing would be a massive EV loss given the low SPR and our lack of visibility on future streets. --- > **Takeaway:** When you have air on a semi-wet board, check back to realize equity rather than betting and being forced to fold to aggression.