Home: Fold trips to opponents all-in?

[JustASpectator]

Home tournament, 6 players started, now down to heads up. 10,000 starting chips, 25/50 blinds to start (followed WSOP main event blind structure, but with 30 min rounds). Heads up against somewhat aggressive opponent (playing good big stack poker). Hero has ~T20,000, Villain has ~T40,000, blinds 300/600 w/ 75 ante. Hero is dealt 62s on the button. Hero limps (Villain has been playing pretty straightforward preflop, raising with good hands and checking mediocre hands when Hero has limped from SB). Villain checks.

Pot: 1350
Flop: J 6 5 (rainbow)
Villain checks
Hero bets T700
Villain calls (range?)
Pot: 2750
Turn: (J 6 5) 9
Villain checks
Hero checks (thoughts on this check?)
Pot: 2750
River: (J 6 5 9) 6
Villain goes all-in
Hero...?

Did my turn check-behind induce a major bluff on the river? How often am I beat here?

Any insight is greatly appreciated! Thanks in advance!

[AllinDan]

I'd call instantly

What a bad, bad, bad structure regardless of the wannabe reason.

Call. Honestly, the worst thing about this is that you've probably wasted 5 hours of your life and you may get 2d.

[aujoz]

you gotta call.... if he had trips, he's unlikely to go all-in.

[rbear]

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I'd call instantly

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[JustASpectator]

I wanted to add 1 thing. We had been playing heads-up for about 1/2 hour, and villain had never severely overbet the pot in any previous hand. Villain had been making 1/2 to 2/3 pot bets consistently (when bluffing, and not bluffing).

An earlier hand to shed some like on villain. When three handed, blinds 200/400 ante 50. Villain raises to 1200 on the button. Hero calls from SB with KQo (no d). BB folds.
Flop: Kd 7d 5c
Hero checks
Villain bets 1500
Hero raises 3500 to 5000
Villain calls 3500
Turn (Kd 7d 5c) Jd
Hero checks
Villain moves all-in for around 12,000 (Hero has about 20,000 left)
Hero goes into the tank for several minutes then folds.
Villain, convinced that Hero made a bigger laydown than just TPGK, makes comment to the effect of "Holy crap, if I can make you lay down a set there I gotta start doing that (moving all in) more often".

[JustASpectator]

Regarding the structure, it was the first time our group had tried that structure (and we all loved it). It works for the WSOP main event, so I have a hard time believing it is that horrible.

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I'd call instantly

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[benza13]

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Regarding the structure, it was the first time our group had tried that structure (and we all loved it). It works for the WSOP main event, so I have a hard time believing it is that horrible.

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Sure, its a great structure for a several hundred/thousand player tournament, not for a 6 man home game.