Wanted to have a discussion about bluffraising river in small pots. A pattern i have noticed a lot when i am in position and being the PF agressor, is when villain C/C's my cbet on flop and i check behind him on turn for a free card, villain then leads around 45-60% of the pot on river. I think a lot of the time this is because villain perceives weakness in my holdings when i check behind on turn. When we dont have showdown value, we can either fold or bluffraise when villain leads river.
Obviously we fold a fair amount of the time here, but which scenarios is it profitable to bluffraise. I am looking for spots where:
1) it is unlikely that river card improves villain
2) it is plausible that rivercard improved my holding OR
3) it is plausible that i slowplayed a monster on turn for value.
Below a few examples where i have tried to put this in practice. Would like opinions on the specific hands, and the concept in general.
[converted_hand][hand_history]Poker Stars, $0.08/$0.16 No Limit Hold'em Cash, 6 Players
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#28769191
CO: $23.75 (148.4 bb)
BTN: $12.34 (77.1 bb)
SB: $28.60 (178.8 bb)
BB: $27.80 (173.8 bb)
UTG: $28.81 (180.1 bb)
Hero (MP): $17.10 (106.9 bb)
Preflop: Hero is MP with K

Q
UTG folds,
Hero raises to $0.48, 3 folds, BB calls $0.32
Flop: ($1.04) T

7

3
(2 players)
BB checks,
Hero bets $0.65, BB calls $0.65
Turn: ($2.34) 2
(2 players)
BB checks, Hero checks
River: ($2.34) 8
(2 players)
BB bets $1.11,
Hero raises to $3.20, [color="grey"]
[converted_hand][hand_history]Poker Stars, $0.08/$0.16 No Limit Hold'em Cash, 5 Players
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#28769201
BTN: $16.25 (101.6 bb)
SB: $14.05 (87.8 bb)
Hero (BB): $16 (100 bb)
MP: $31.78 (198.6 bb)
CO: $24.01 (150.1 bb)
Preflop: Hero is BB with A

7

3 folds, SB completes, Hero checks
Flop: ($0.32) 6

4

8
(2 players)
SB checks,
Hero bets $0.32, SB calls $0.32
Turn: ($0.96) 3
(2 players)
SB checks,
Hero bets $0.64, SB calls $0.64
River: ($2.24) 3
(2 players)
SB bets $2.14,
Hero raises to $5.92, [color="grey"]
[converted_hand][hand_history]Poker Stars, $0.08/$0.16 No Limit Hold'em Cash, 6 Players
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#28769211
BB: $17.85 (111.6 bb)
UTG: $13.28 (83 bb)
MP: $19.82 (123.9 bb)
CO: $16.16 (101 bb)
Hero (BTN): $16.50 (103.1 bb)
SB: $31.36 (196 bb)
Preflop: Hero is BTN with J

A

2 folds,
CO raises to $0.48, Hero calls $0.48,
2 folds
Flop: ($1.20) 6

7

7
(2 players)
CO bets $0.80, Hero calls $0.80
Turn: ($2.80) 5
(2 players)
CO checks, Hero checks
River: ($2.80) T
(2 players)
CO bets $1.28,
Hero raises to $4.48,
CO folds