[piggity]

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When you raise off the button, he will fold the bottom 10% of his hands and 3-bet the rest. When he 3-bets and you 4-bet, he will 5-bet the top 70% of his hands.

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Not sure if this means he will 5-bet the top 70% of the the top 90% of his hands, or the top 70% of all starting hands.

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You have 55 on the button. You raise, he 3-bets, you 4-bet, he 5-bets, do you 6-bet?

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In either case, you must 6-bet. If he's 5-betting with the top 70% of all starting hands, he will be 3-betting all the way down to T2s, and you are ~ 77% likely to be ahead. Even if he's only 5-betting with the top 70% of the top 90%, you are still ~ 75% likely to be ahed.