A7s UTG on KT6r: Nut Flush vs Paired Board

Hero
A♠7♠
Position
UTG vs BB
Pot
Single-Raised Pot
Flop
6♠ T♠ K♥

We correctly extracted value with a flush, but overplayed our hand on the river when the board texture made a full house highly likely.

Flop Analysis

Auto-played to reach this drill spot — you didn't act here, so it isn't scored.

Turn Analysis

We hit our flush, and the board pairing the King is actually a great card for us to start betting small. We have a massive range advantage here and need to start building the pot. **Ranges:** Our range is value-heavy with flushes and trips like Kd9d or Kc9c. The BB range is capped after checking twice, mostly consisting of two-pair hands like Ad6d or pocket pairs like 9d9h. **Sizing:** The small 33% pot sizing (1.5BB) is perfect here. It forces BB's marginal one-pair hands and gutshots to continue while keeping their range wide enough to pay off larger bets on the river. **Board:** The Ks is a double-edged sword; it completes our flush but also introduces full house possibilities. However, since we checked the flop, we are less likely to be facing a King from the BB who would often lead or check-raise the turn. --- > **Takeaway:** When you turn the nuts on a paired board, use small sizing to keep the opponent's wide, capped range in the pot.

River Analysis

Raising the river lead is mandatory for value, but our sizing should be carefully considered against the BB's polarized leading range. **Ranges:** When BB leads into us on this brick river, they are polarized between bluffs and very strong hands. Our flush beats their value leads like trips (KcQc) or lower flushes (Js5s), but loses to full houses like 6c6d. **Sizing:** A large raise to 18.1BB (roughly 1.5x pot) is the standard value play. It targets their trips and worse flushes while maximizing the pot before the SPR becomes too shallow. **Math:** We have 95% equity against the range that leads the river. The raise is purely for value, as we expect to be called by a significant portion of the BB's continuing range that we dominate. --- > **Takeaway:** Always raise your premium flushes for value when the opponent leads into you on a safe river.

River Analysis

The 3-bet from the BB is a massive red flag. On a paired board, a river 3-bet is almost exclusively a full house, making our nut flush a bluff-catcher that should just call. **Ranges:** BB's 3-bet range is extremely narrow, consisting almost entirely of full houses like 66, TT, or K6. While we have the nut flush, we lose to all of these, and BB rarely bluffs this line at these stakes. **Math:** By shoving, we are risking our entire stack to get called only by hands that beat us. We need 36.5% equity to call, and while our hand is at the top of our range, it has 0% equity against a value-heavy 3-betting range. **Blockers:** We hold the As, which is good because it blocks the nut flush, but it doesn't block any of the full houses that the BB is representing with this aggressive line. --- > **Takeaway:** On paired boards, respect river 3-bets; even the nut flush should downshift to a call rather than shoving into a range of full houses.

Note: Shoving over a river 3-bet on a paired board is overplaying the flush; BB's range is heavily weighted toward full houses that have us crushed.

Key Concepts

  • Multi-Street Play
  • Hero Strong Advantage
  • IP
  • Semi-Wet Board
  • LEAN TOWARD AGGRESSION