From Aproximately move 14.
In the beginning of the game I was very satisfied with my opening, getting two good corners and white´s 2 stones being rather trapped up there. But then I noticed that this huge white block was beginning to take shape, so I invaded with J3. I wonder if K3 would have been better?
J4 is, according to AI, maybe not so good. I thought it was a neccesary move, because after the contact play I couldn´t extend with a big jump to the left. So I´m not sure what else would have been good.
Then after white´s reply, I felt suddenly that my stones might be about to die, and even now I feel that they should have died. I had expected white to cut my horse jump to H6. If white had played J5 there, I suppose I would have let j3 and j4 die (treat them lightly) and then tried to connect to the top right group, Maybe that would have been good enouh.