While waiting for the 2-5 to open, I sat in a 1-2 $300 buy-in, with minimal experience with any of the players. After less than an hour was down to $185.
Hero is 60s WG who was the only one routinely raising pre rather than limping.
V is 50s WG on button.
HJ opens to $10, V in BTN calls, SB folds and Hero in the BB makes it $40 with JhJs. HJ folds and BTN shoves and has me covered.
Normally I would fold JJ to a 4 bet without thinking twice. Here I was facing a 4 bet shove from BTN who only smooth called a late position raise.
You've gotta call 145 into ~245 so you need around 37% equity. He probably does this with half of AA, 3/4 of KK, all of QQ, all JJ, 60% of TT, 20% of 99, and 3p% of AKo, and 80% of AKs. So if you gave odds vs that range, call. Otherwise fold.
Call, I think we are far more likely to be against a hand that V doesn't want to fold, but isn't comfortable calling given stack depth then we are up against an overpair that has flatted a HJ open on the btn, I'd expect to see AK-AJ, TT-77 a lot here.
Grunch: This line is usually a medium PP that was set-mining in position, but changes its mind with all the money in the pot and is hoping for folds or to flip against AK. I would snap call and expect to see 88-TT most of the time, a big Ace that we're flipping with about 25% of the time, and almost never QQ. Occasionally, its the other JJ.
Tip your hat to him for making a risky but profitable play. HJ open is crushed by KK and he’s playing IP to the blinds if he goes to the flop but they also might squeeze pre. WP V.