100/200 hand

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Any halfway decent, aggressive opponent will c/r this flop with any 2 cards against a preflop 3-bettor; this is especially true if he's flopped a flush draw or even gutshot.

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I'm not a halfway decent, aggressive player, but of course, I want to become one. So, can anybody explain me, why this is a check-raise on the flop with a draw or with nothing? Is this some kind of free-card play out of position? Is this flop with two high cards suitable for a bluff against a preflop 3-bettor?

Concerning the hand, I considered at first hero to have JJ. But in this case, maybe a check-raise on the turn would have been better to make a queen fold, but, if called, to check through the river UI or fold to a bet, thinking villain to hold an Ace. Is this correct?

...Ups, sorry, just found out, that this post is quite old. But I'm hoping for answers, so I post my reply nevertheless. Anywhere, where is the solution?