Basing these answers totally on Low-limit play.

a) I raise. First, maybe we can get rid of the BB, and maybe a limper. Secondly, I know what they are callign with, weak aces or connected broadways, most likely. So, if an over hits, I can play slow and get out, but If I'm ahead, I play fast. Depending on my mood/image is at that point, I may be inclined to call, and play the flop from there since I am out of position.

b) Reraise. Again to shake the blinds if possible, but mainly to see what the UTG and CO think of their hands. If UTG caps, I fold (or MAYBE take the flop), Hes got AA, only hand you limp/cap with UTG. If CO caps, then I may be beat, but I'm playing for set value now. If they both (or one) flat call, then I'm probably up against a smaller PP or a good ace. Again. play on the flop is key to this hand.

c) How loose? Maniac? Then those 3 callers just limped in, so I reraise so the nutcase will isolate and I'll be HU with a maniac with a painted pair. If hes jsut LAgish, well then call, OOP and limpers and he may have a hand. Of course, this is a sliding scale thing based on how LAgish he is, and the other three players propensity to call him since they saw him as loose.

Mainly though, JJ is hand that is defined by the flop more than most other hands out there. Even if you miss, you may still be ahead, but its very uncertain. AA or AK or 23 or 67 are usually clearly define by the flop. This is a touchyt situation and I have found short of raising only creates odds to call PF< then aggression with JJ PF is usually rewarded.

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