Get me competent at this as fast as possible

Find the 20% of things that will get you 80% of the way there

What skill do you need to get good at?

When do you need to be competent?

Where are you starting from?

This is the prompt Claude will receive

I need to become competent at [SKILL] by [DEADLINE]. I'm currently at [CURRENT_LEVEL]. Tell me the 20% of things I should learn that will get me 80% of the way there, and give me a concrete plan to get there.