[mmcd]

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If you are going to call a river bet, you are much better of betting it yourself here. Why let AK/Q (the only 2 hands you beat) off the hook and give a chance to check behind? Its also really doubtful he checks behind better hands as he thinks you are pushing him around, so he will be value betting much more "defiantly".

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AK/AQ or any Ax pretty much require a river bet by him given how the board developed. I think when I check the river given the action thus far, it's pretty much impossible for those hands to win a showdown (if they were good, I would have bet). I also don't think he's capable of making a really thin value bet either. He'd probably bet a T if he somehow didn't 3-bet the turn with it, and obviously he'd value bet KJ/QJ/etc., but I really don't think he'd go any thinner than that.