Game is 5/5 time based rake. Tripple straddle is on to 5/5/10/20/50. 9 handed.

V is a rec player who plays enough to be a reg, but isn't super well studied or theoretically sound. Hero image is TAG. I don't think villain has seen many of my bluffs. Definitely has a fold button when it comes to big jams.

Checks to SB who calls $50. V in bb calls $50, folds to hero in $20 straddle who iso raises to $240. SB Folds. V calls.

Flop $590: AhQs9h, v checks, hero bets $175, hero calls

Turn $940: (AhQs9h)4c, v checks, hero bets $600, v calls.

River $2,140 (AhQs9h4c)9c, v checks, $1,750 behind. Hero

Analysis:

Preflop my standard iso here would be 6x, but we are not that deep, so I go for $240. In general I think a hand worth opening UTG is good enough to iso here.

Flop, good for my range, villain can't have AA, QQ, AQ. 99 debatable. A9s probably. And other one pair type holdings like AJo, ATo, KQo, A8s, maybe QJo. Villain can also be on a draw himself. When villain just calls that weights him strongly against 2 pair+.

Turn is a blank. I may be bluffing with too many combos from a theory perspective if I do this pure, but from a practical standpoint, I know this will be a difficult board for V to defend. Him calling here feels like Ax+, and maybe combo draws, nutflush draws, pair+draw type hands.

On river, unblocking hearts seems good. I can have AA, QQ for value here, maybe occasional 99. Since villain can't have AQ, AK, maybe an argument for jamming AK, AJ as well. I suppose maybe I could get there if I was bluffing 9x, but I don't know if I would have any 9x pre honestly since my iso raise ranges are more exploitative and balanced for board coverage. Seems very hard for villain to have a 9 though, unless he had Q9s or played A9s very conservatively afraid of AQ.

What does villain actually call a jam with here? Since hero has a good image, can he be folding AJ? Because if so, it seems like he will be underdefending here, making bluffing with any two profitable here.

Less than Ax he probably folds though, and I would think at least weaker Ax would fold. Would be a shame to check back and lose to QhXh, 5hXh, KhJh.

I would think any Ax has to call there with the board pairing and Q the effective kicker

What did you have?

Sorry. KsTs.

I don't agree with your logic pre as this would be a very questionable open UTG @ 55 straddles eff.

If you are doing this pre w/ KTs pure, but only "occasionally 99", then I think your pre ranges need a look.

AP I agree he has mainly Ax and busted draws, so it's hard for me to hate too much on bluffing river, but oop and this shallow I think I would take a more passive approach to this hand from the beginning.

I wouldn't iso that light here, I play in these kinds of games, people flat a lot narrower than if there was no straddles/blind raise. I would just fold pre.

As played, the turn+ just looks like button pressing. I would c/f after the flop.

The guy might be a reg and not be theoretically sound but he just called 240 pre and continued on an ace high flop.

Live passive regs can show up with nearly anything here except AA. QQ and KK are unlikely too, but AK, AQ, QQ we've all seen played passively over and over and over.

You're way too shallow to shove river, you're folding out KQ and QJ, everything else you're already beating. Prob won't fold A2o for these stacks.

Bet flop bigger, it smashes your range. If he calls 400 on flop, check turn take free card, decide on river if it's worth betting.

Does anyone ever bluff here? With what?

I mean its a 100% bluff spot if you know vilain folds all his Ax

I personally would’ve called with any Ax but you know V more than me so nicely played.