[Troll_Inc]

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If you check the flop and fire a blank turn (if there IS a blank turn possible...), what are you representing? Do people believe you checked AA there? Or even top two pair?

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I'm thinking more if one of the draws hits, and no one bets. If you having something like QJTx or high flush draw you could check there to get the nuts.

And if someone has a flush or straight (and you checked behind on the flop), they no longer have the expectation that you will bet out on the flop, plus they will more likely want to "protect" their hand.