PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: ITH Forums)

Button ($11)
SB ($9.50)
BB ($28.05)
UTG ($24.50)
Hero ($25)
CO ($28.80)

Preflop: Hero is MP with , . Hero posts a blind of $0.25.
1 fold, Hero (poster) checks, 3 folds, BB checks.

Flop: ($0.60) , , (2 players)
BB checks, Hero checks.

Turn: ($0.60) (2 players)
BB checks, Hero checks.

River: ($0.60) (2 players)
BB bets $0.25, Hero raises to $1, BB raises to $4.5, Hero raises to $16, BB raises to $32, Hero calls $8.75 (All-In).

Final Pot: $57.35
Main Pot: $50.10, between BB and Hero. > Pot won by BB ($50.10).
Pot 2: $7.25, returned to BB.

Results in white below:
BB has 8s Qs (flush, ace high).
Hero has 2s 4s (flush, ace high).
Outcome: BB wins $57.35.

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idkmybffjill?

Reraising him wasn't a good idea with the worst possible flush. Just call his raise ($3.50) and save yourself the extra $20.

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ICM / EV Calculator and other free poker software

Yeah going by the betting, or lack of it, I probably would have figured him for a higher flush and just called.

His river action should've saved you a lot of money. If he only had Ax he would've bet somewhere. It looks pretty obvious he hit the flush too, you have no flushes beat bud.

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BOSS