1, 2 or 3 streets?

Hero is MP1 ($340), late 30's/early 40's with tight image
Villain is SB ($220), passive who I have seen c/c post flop with sets, 2 pair and other big hands. Misses out on a lot of value by either being trappy or scared of monsters under the bed, very passive, plays a few too many hands, have seen him limp hands like K7o in early to middle position at a relatively tame table.

2 limpers, hero makes it $12 w AA from MP1, SB calls, 1 limper calls. Pot is $40. Flop is 643r. Check, check, hero bets $25, SB calls, limper folds. Pot is $90. Turn 5 completes the rainbow. Villain checks, hero? Of the pairs, villain can definitely have 22-QQ pf/flop given the action, not sure if he flats AA ever pf, but would think KK is possible.

If you bet or check the turn, what is your play when checked to on river 5 with board 64355? FWIW, I am obviously b/f on turn and/or river that I decide to bet, so how does that affect your bet sizing? Do you go for thin value on turn and/or river?

B/F on both streets because described villain will play face up. You will get value from all pairs and he will only raise straights.

Bigger bet preflop, pot bet on flop or pot x 1.5. I don't think v has qq-aa preflop with a flat call, and I don't think v is flatcalling on flop with qq-aa either. I put v on A2 suited here, and the flop bet is way to small to gauge his hand on turn. As played, check turn or small value bet turn and if reraised fold, if checked to on river call/fold depending on value and if checked to on river, small value bet and fold on reraise or shove.

I probably should have mentioned that I've been at the table maybe 2 hours and change and that my standard open is $8, plus $2 for each limper regardless of my holdings, usually add $1 if oop in the blinds. I have also not overbet any street postflop since I have been at the table.

Yeah maybe it's not true of your image, but to be honest, most players at 1/2 are not looking at images, they are just playing, and you need to bet a little bit more on flop here to gauge his hand, even if it's not pot bet or pot x 1.5.

What does my image have to do with my bet sizing? My statement was to let you/others know that there is nothing the table can gain information wise by the size of my bets. Overbetting the flop here for information is just bad.

This is a b/f on the turn. There are too many hands that can call that are worse.

+1

Betting 65-75 on turn into $90, then 100-120 on river because we can feel comfortable folding to a raise, knowing this player will only raise with better and is willing to call with worse. Thin value all day.

You might want to recheck stack sizes. If I'm bet/folding but betting both streets, then my turn bet would probably be in the $35 range vs a passive player.

Whats your plan when he c/c's turn, river is a 5 and he checks to you? Also what bet sizing on turn, and if you bet river, what sizing on river barrel?

B/f 35 on turn is ridiculously exploitable. Just c/f at that point. If you want smaller, I would say 45-50 into 90, then 80-90 on the river, and I would agree that slightly smaller is better sizing-wise.

I'm betting 50 on the turn. If checked at the river, I'll check behind. I don't think most of his OP range stacks off against 4 bets.

against a typical opponent yes. This player is very passive so he is not raising with a worse hand ever. While $35 may not be the best sizing for purposes of value, the purpose of this thread was to discuss the merits of going for thin value (and how much, sizing wise) with our relative hand strength, possibly even on multiple streets.

Obviously the larger the turn bet the more of villains stack a triple barrel would represent, but something like $35 on turn, $50 on river wouldn't necessarily felt villain and would be give him the appearance of a great price for his weaker holdings as he is not getting out of line with any weaker holdings especially on a river that he checked as he would have to realize that he has limited FE with a c/r.

FWIW I really still am not sure of the best line to take here vs a very passive player. bet small/fold, bet std/fold all seem like viable options on the turn, both being dependent on what our plans are for betting the river. If we absolutely think that triple barreling, even small, is a mistake on this board texture, then I like the bet std/fold turn line and I wouldn't hate a delayed double barrel either as an alternative since I could see a lot of weakers holding looking us up on the river that would fold to a turn bet.

Anybody think that's there is any merit to triple barreling small? Is there more value on a delayed double barrel (wa/wb, there aren't many action killing cards as the turn already provided that)? What happens if we check behind on turn, and he bets river for $50 or even $35? How does that affect our decison to check behind on turn, do we gain value, limit our losses more? I can't see villain betting river with any 1 pair or even 2 pair hands.

Preflop / flop look fine to me.

I'd check behind on the turn. Even though we shouldn't have a straight here, the board is still a scary 4-to-a-straight so I'm not convinced we're always going to get two more streets from a MUBSy player's TT/etc. I go for one more street of value on the river if checked to (and probably fold if a passive MUBSy player bets into me on the river).

rather check turn and bet river. Betting turn threatens a river bet and folds out a lot of the hands you want to value town. Putting them one bet away from showdown helps to widen their calling range.