Bet sizing math

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Bet sizing math

I am not strong at math and would like to know how to approach this sort of situation:

we find ourselves on turn with a value hand and want to (continue) betting until all-in. A9 in this case on 492 3 rainbow board.

We have 24,700 effective stacks and the pot is 12,948

Now the pot is quite dry, but we want to shove most rivers. It seems like a simple spot, and it is, but the process is not too clear to me.

How do we choose the best sizing? My uninformed process goes something like --

10,000 would leave 14700 into 13000 + 20000 = 33000 and 10k is a very large bet on this texture and likely to get more folds, so bet a bit smaller than 10k

thats about it! I would like to know if there is a sort of fine-tuning that can be done here.

3 Comments

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CBetChamp 5 years, 7 months ago

Knowing the PST (position, stack, tendencies) of villian would help massively here. How do you usually play hands you go for value? (This will usually be a tell for villian), how did the action play out during postflop and turn?

Pedro Madeira 5 years, 6 months ago

Your betting sizing varies according to your range, the proportion of value and bluff hands in it, and both players equity distribution on the given board. (You can search for 1-A and MDF to get a better idea as well as equity advantange vs nuts advantage). As well as SPR.
But in a simple way, the more polarized your range is (split in between nuts and air) bigger your sizing and more linear (betting lots of medium equity hands) smaller it should be.

ValueBetRiver 5 years, 6 months ago

If you have a 2x SPR on the turn, as here, bet 1/3 pot. If the bet gets called you'll have a pot sized bet left on the river. If you want to get really good at this you can just workout situations on a spreadsheet and review repeatedly

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