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What did you want to accomplish with the turn check.

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well, there are virtually no cards that hurt me on the river. If he has a J, he is winding up to c/r the turn. if not, there is very little that he can call with. i am hoping he'll fire the river with any pair or anything at all.

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Checking the turn is a good move against a tricky aggressive player, but if you are against a player that would never checkraise here without trips or better, than you might as well bet it to gain more value when you are ahead since you can safely fold to a checkraise. Given that you checked the turn, you must call this river checkraise. He may be putting you on a weak hand/bluff. Your hand is too strong to fold in this spot given the action.