While top pair is strong, over-shoving the turn isolates us against better hands and misses value from weaker Ax combos.
Flop Analysis
We have a clear range advantage on this Ace-high dry board, but the multiway dynamic (3-way) requires a more conservative approach than a heads-up pot.
**Sizing:** Our bet of 3.1BB into 7.2BB is slightly large for this texture. A smaller sizing (around 25-30% pot) is generally preferred to keep the BB's wide defending range and the BU's marginal pairs/draws in the pot.
**Position:** Being out of position against the Button for the rest of the hand makes checking a viable alternative to protect our range, though betting for value with AQ is never a mistake.
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> **Takeaway:** In multiway pots on dry boards, lean toward smaller bet sizes to maximize value from the widest possible range of weak hands.
Turn Analysis
The 6d is a relatively safe card, though it does complete the 87s straight. The main issue here is the massive over-shove for 1.3x the pot.
**Sizing:** By jamming 18BB into 13.5BB, we polarize our range too early. We effectively force the Button to fold hands we dominate (like AJ, AT, or A8) while ensuring that when we are called, we are almost always behind to sets (99, 66, 55), two pairs (A9s, A6s), or the straight.
**Math:** With an SPR of 1.35, we have plenty of room to bet smaller (around 8-10BB). This keeps the pot manageable, allows worse Ax hands to call, and still sets up a river shove if the board remains clean.
**Ranges:** The Button's flop-calling range is quite condensed to Ax and some mid-pairs. A smaller bet targets that condensed range, whereas a shove only targets the very top of it.
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> **Takeaway:** Avoid over-shoving top pair when the SPR is above 1; use a sizing that keeps dominated hands in the pot while still building toward an all-in.
Note: The turn shove is a significant sizing error; it's an over-bet that isolates you against a range that beats you while folding out hands you dominate.