[Isura]

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I know most people don't like the minraise but I figured it was the best way to build the pot and hide the fact that I had a 9.

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Minraise is probably the worst way to hide that you have a 9.

Edit: Remember this is NL50. They don't fold overpairs here and some will call a flop raise with AK. Raise 15-20 on the flop, starting building the pot. Bet 1/2-2/3 pot on the turn (although sometimes I bet full pot if my image is particularly laggy).