[AlwaysWrong]

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You mean, if you just call here you expect the BB to bet out when another diamond hits? When an ace hits?

Reasons to raise here:

(1) You just might have the best hand.

(2) You might be up against K6, and be the favorite to win with your 15-out draw.

(3) It can buy you a free river card if you miss on the turn.

(4) Even if a raise here were slightly -EV, it buys you action next time when you raise preflop with a pair and flop undercards.

Reasons to smooth-call here:

(1) Uhhhhhh.... Give me a minute, I'll think of something.... Time, please....

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(1) How often do we have the best hand? How often to we win unimproved here? What does "just might" mean?

(2) How much pure value do we gain if the BB has K6 and the sb folds?

(2.b) How much pure value would we have gained by letting the sb come along with 33 or 76 or J2, etc if we called?

-->Is being a favorite really a reason at all to raise?

(3) Given our large number of outs how much is a free card worth?

(4) Do we expect our opponents to even register this in a 9-handed online game?

[ QUOTE ]
You mean, if you just call here you expect the BB to bet out when another diamond hits? When an ace hits?

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Often, yes.