First off. Good post because this is a classic spot when a tournament is just getting going and you get a monster hand early but when you make your standard raise of 3x and such, blinds call with any two cuz the 3x is insignificant to stacks so try to flop monsters with rags. I think we have all gone broke in this spot because we hope villian just flops top pair and is just agg but then when it all gets in they flopped two pair or a set.

With that said here are my thoughts. You have to do the best with the information you have…this guy has shown to be the raiser if entering a pot and this is the first call pre rather than raise…so I think we can take premiums out of his range down to even AJ or 1010. With him being so tight he is not likely limping into a pot with rag rag such as 3 4 or 8 4. So to me it looks like either a set, maybe 55 or 66 (he might think its good but turn bet is too strong), or nothing. The only way to figure this out is to 4 bet his check-raise post flop…if he snaps all-in a 4 bet you can definitely let go of the hand I think. Calling the check-raise is real bad in my opinion, there is no turn card you are going to necessarily like since you already have a made hand, if anything most turns will bring draws or over cards. I think show massive strength with a 4-bet post flop to about 980 and if he snaps all-in we fold. When you just call and the turn didnt change your hand, you either fold not knowing if its right or you frustratively go all in not knowing if its good. Get the information and a read with the 4-bet and you either take the pot or save going bust.

If sb had set or 2 pr than he's flat calling and hoping BB comes along.  His check-raise screams weak hand here.  Your flat of his raise is right on.  When he bets turn you really have 2 choices – call or shove.  Because there are some scare cards that can roll off for both u and villan I lean toward shoving turn.

If villan shows up with set I would be very surprised.