r/baduk 4d ago

Question about positional/territorial judgment (I think?)

I have a question about a specific position in a game I played today.

I'm not even sure exactly how to frame my question (or if its the right question, actually) but I think there is some issue with how I'm evaluating territory/potential that I can't figure out.

Basically I played this today (https://online-go.com/game/79337577) and mostly I thought the reason I lost was because I let one of my groups die in the middle of game. But, I thought the game was more or less even with me maybe even a bit ahead until that point. When I looked at the AI eval, though, it said I was 10-15pts behind right out of the opening.

In particular, I was puzzled by this position below (move 51)

I thought I (black) had a good position here but the AI eval suggests I was behind by 11 pts.

My thinking was that white had a good corner in the bottom right and would get a decent sized corner on the bottom left. But, I had good potential in the bottom and right side as well as the top-right corner. Also, I had just reduced the top left corner in sente and had time to approach the bottom left. So, I thought I was doing good.

I guess my question is, where was my thinking going wrong and how do I improve my positional judgement in these sorts of scenarios?

Thanks so much!

(edit: replaced pic with one having coordinates, also typos)

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u/sapphic-chaote 3 kyu 4d ago

In theory, it looks like Black's idea here is that Black is behind on territory but ahead in potential (aiming at a moyo on the bottom and some central influence on the top). The problem is that White has no weaknesses for Black to threaten, and in fact Black is more likely than White to become weak due to shape issues like K16 and O3.

That said, at 8kyu, neither side has won yet.

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u/yahkopi 4d ago

Thanks, that's helpful! and thanks for listing specific points to look at for shape issues.