Whenever we raise preflop and get callers and the board flops an Ace or a King and we bet and get called we need to tread carefully. Reason being, in LLSNL, whenever we raise preflop and get called our villains will ALWAYS put us on AK. That is the only hand in the entire universe we can ever have whenever we raise pre.
So when we do have AK and the board lands an A or K and we bet and get called our villains are doing so knowing we have top top (top pair top kicker). So the question then becomes "Well, what are they calling with".
-There are a lot of villains that peel one with anypair hoping to turn gin.
-On drawy boards quite often they are on a draw
Now, if our villain was competent then I would be in favor of Venice's line and check the turn because a competent villain is never paying us off and calling turn with AQ or AT. HOwever, the OP description says,
Quote:
Button 40, loose passive, not bluffy 2000.
Sb 50, super tricky, always slowplays his monsters to the last possible street 2000.
Believe it or not, this isn't too bad for our hand. BTN is loose passive meaning he should be a call down monkey and we do NOT have to worry about him bluffing us right?
SB slowplays to the river so again we don't have to worry about getting blasted off the turn.
So, we can bet here and expect SB to fold a fair amount of the time and the BTN to call a fair amount of the time with a lessor hand. In the case that the SB does call, then we know we have to hit river. If river is a brick then we can still bet/fold because SB has no bluffs in his range or if we pick up on some "tell" from SB we can just check it back on river and deny him his c/r. Meanwhile, BTN should pay us off with lessor hands because as the OP describes he is loose passive.
Again, if our villains were competent aggros then I could get behind a check back on turn. But based on OP descriptions, we can bet turn here.