Can one tell me basics of this 9x9 game, particularly where I lost and could have won?

[yebellz]

@mark5000 wrote a great guide on general 9x9 concepts and strategy:

The 9x9 Amateur-Hour Strategy Thread

I’m by no means an authority on the 9x9 board, or any board for that matter. But I won’t wait around for permission to delve into a flighty dissection of the 9x9 board, which, on closer inspection, begins to unravel an inspiring level of complexity distinct from that of the larger boards. I should know; I’m giving a lecture on 9x9 for Learn Go Week. And like many overly anxious teachers, I’ve lately felt the motivation to impart my own brand of “hype” on some of the material I hope to discuss on…