[A_PLUS]

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Theoretically, you are a coin flip at best...worst you are well behind. So say 70% coin flip, 20% facing AA, KK, 10% nonsense, Its tough...he's committed and representing, I guess I fold and go to dinner pissed off.

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From various tourney reports, blogs etc (I have zero big buy-in experience), it seems that the last hand before the end of the day is a popular time to make a move, based on the whole 'I just want to get the F- out of here with my stack' thinking by opponents.

The only way I lay this down is if:
-my image is squeeky clean (but not weak tight)
-his image is straightforward
-Any tells or feel I have makes me think he is strong.

33x is deeper than you would like with AK, but as long as you can't rule out AK & JJ, its a profitable push.

Think about it. Against JJ+, AK you are 42%, Even if you knew he would call (and his range), it is 29K to win 68.5K. which makes this neutral CEV-wise. I would assume there is some chance he has AQ or a smaller pair (or a stone bluff).

Tough call, no doubt, but I think for players of most skill levels, this is one you absolutely have to make to maximize the $$ you can win.