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What are EV values in EV colum in handsEV.csv?
EV = how much you make on average in the hand.
There are two ways of expressing EV: absolute one and relative one. Absolute one means how much you make from the beginning of the hand (so calling a flop for 100$ and then folding produces -100$). Relative one means folding is always 0$ regardles how much you invested before.
1) Why all of them have positive values?
There is some money in the pot from preflop. If you are running the aggregation at the beginning of the tree every hand will be +EV as they could easily fold and guarantee being at 0$. That proves that in GTO every hand is at least 0$ and usually at least slightly above. That of course only holds if:
-you run it at the beginning of the tree and/or:
-you use relative EVs
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Doesn't fell right. It would mean that we have to defence big blind with anytwo.
It wouldn't because you invested some preflop.
For example if the blinds are 5$/10$ we are playing HU and a raise is to 30$ then you will run a postflop case with 60$ in the pot (raise and a call). That means that every hand below 20$ in EV is -EV defense.
>>This one actually feels truthfull. But then it looks like we should prefer 3bet and call 3bets with KTo, QTo, K9s instead of A5s,T9s, 98s.
This depends on ranges you've used. I got different results with ranges I've used as you can see in one of the attached preflop orders.
>>So, anyway, where're any negative EV values?
Hopefully it already makes sense why they aren't there. -EV value means it's not GTO. Slightly -EV is possible because the solutions are not perfect. You will also see -EV values if you run the aggregation later in the tree (as the reports use absolute values).
You would also see absolute -EV values postflop if the tree started preflop but it doesn't, the solver is not aware what happened preflop and how the money ended up in the pot (it would have to guess for examples if 65$ in the pot came from 32.5$ raise and a call HU or from 30$ raise, SB folding and BB calling).