I am not sure if anyone covered this, but I would follow The Rule of 31 method, https://www.bowl.com/Welcome/Welcome..._oil_patterns/ .
This has helped me tremendously in my adjustments and finding a quick shot even during practice session, helps me identify the pattern we have.
To answer your question, I have bowled 3 300s and have adjusted my shot on each of those achievements. For my first one, it was in Lake Tahoe and I was on lane 1 & 2. Because lane 1 was against the wall, I played an up and in shot and lane 2 was swinging the ball because of the type of bowlers we were bowling with (yes I was using two different bowling balls).
I know every person is different and each week is different based on who you bowl with, but I feel it is almost certain that you have to make in game adjustments. It can be as simple as reading you ball reaction as well as how the ball enters the 1/2 or 1/3 pocket (angle). I would watch the video from post from "bowl1820" posted if you haven't to start learning different ways to reach ball reactions and to stay proactive in your adjustments rather than reactive.
good bowling and I hope this post finds you well!
Mike
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