Yes, this is possible. It requires the living group to circle back on itself like this:
Here, each of the eight black eyes is locally a false eye, but because ...
Just think about what happens when your stones get fully surrounded, as will eventually happen: The stone(s) at E9 will only retain a single liberty, the false eye, and you will need to fill that single liberty with a stone to connect E9 to the rest of the black group. And after that, only a single eye remains.
That is the point of false eyes: They are ...
Edits: corrected my miscount of Black area, possible White gain
If my calculations are right, you seem to have lost or won depending on the rules in force, but you had a chance in any case!
In your position, using area scoring, I count your central group as 40 points as follows:
Counting in vertical pairs left to right two horizontal lines at a ...
I cannot tell you, what move is best, but here is how I (around 7k) think about it:
The white move at G5 is obviously a threat to cut at G4. I guess, that won't surprise you.
The threat ...
Disclaimer I am about 7 kyu, and seldom play 9×9, so I defer to those with higher ranks or more experience.
How would KataGo play?
I asked KataGo, running as an engine for Sabaki, and this is what it thinks:
The first image shows that it rates the connection at G4 as best, expecting you to win by ~60 points if you play there; the second shows how it ...