[Isura]

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At the turn, if I bet and I'm ahead, he'll usually fold. If I'm behind, he simply calls. If I check, he'll bet if he's ahead and check if he's behind, which really sucks.

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If he acts this way on the river too, I think it's a check/fold. But I like check/call better than betting out the river. The turn you have to bet though imo.