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in a standard BTNvsBB 2b spot on a k62(r) flop there seems to be universal agreement (afaik) that betting small or a "100% range bet" is the best strategy by the preflop aggressor in a spot like this
I feel this strategy works because there is always cost of splitting your range (you give some information when using more than 1 bet size) so if there is an option to bet everything then it's very attractive even if it means a small bet size. This can of course only work if there is significant range advantage.
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So what Im beginning to (hopefully correctly) understand and what I'm hoping for feedback which is that from what I see the reason we change sizes on different board textures so dramatically is because as the preflop aggressor our range is always going to be stronger on the flop as a whole but we retain a much larger amount of equity on the super dry flops which allows us to adapt a betsize suitable for a linear-type range, and we can do this because its relatively less likely that our opponent has many hands he should be doing anything other than calling which in turn helps us realise our equity easier.
I feel you are correct about it.
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on a side note: is there any anyone can point me where the idea came from that the official ptsb at 100bbs is a 33% ptsb> is the '100% range bet' sizing 33% based on any sort of math or just a guesstimate
? shouldn't it be lower like 25%?
I am not sure where the idea came from. Probably some analysis of some coach
My experience is that you are in fact correct that often it's in fact lower bet size (25%) which is chosen if there is an option to use it.
With those things all we have are empirical results so it's natural that "widom" changes as more people run simulations comparing various options (and as more people choose to publish the results).
This is btw similar to turn bets. It's not a big secret anymore but at some point (I think about 2 years ago) some people started noticing that combination of a small flop bet along with overbets on turn/rivers are often the best line. You would want 2 bet sizes on turn/river in those spots, one "normal" and one overbet to get it in on the river with another overbet. The problem is that to be really sure of the pattern you need to run a lot of simulations and that takes time.
Maybe it's a good idea to look for other players interested in sharing their analysis. I don't run many simulations anymore as I simply don't have time for that. I am not an active player anymore either which makes my ability to relate simulations to current game environment very limited.