[spider]

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As to the part you quoted: it means that if you make him fold a hand that is worse than trip 9's, you will have gained nothing, because you would win the money that is in the pot anyway, because you have the better hand.

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Maybe I'm getting caught up in semantics but I think this is wrong in any sort of strictly mathematical sense. When he has a flush draw here, he has about 20% equity and has to prefer that I call rather than raise him out of his 20% stake.

Doesn't mean my push was the best move, of course, but I don't see how it could be "gaining nothing" when it shuts my opponent out of his 20% stake of the pot.

Maybe I should phrase it like this? Given my checks on the flop and turn, should I have picked a raise on the turn to give him something like 3 to 1?