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What kind of range do you put the UTG +1 on to make this kind of play

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I can tell you some hands I don't put him on: A8 and 66. The only hands I could conceivably put him on that you dominate are 77 or 88, and even those would shock me. Much more likely you are either 50/50 or a big dog. UTG has a similar range, though he'll sometimes have something like KQ, which is still not great for you. Calling here would be a high-variance play with a very low, quite possibly negaive EV.