Weekend Challenge: Your AI Cheat Sheet — Create a Perfect Quick Reference in 20 Minutes

Sound familiar? You use a tool or skill regularly, but every time you have to look up the same three things. The Excel formula for VLOOKUP. The right exposure for twilight photography. Which spices go with which dish. The Git commands you never memorize.

The problem: Knowledge is scattered everywhere — in bookmarks, YouTube videos, notes you never find again. What is missing is one single page that summarizes exactly what YOU need, at YOUR level.

This challenge turns AI into your personal knowledge designer who transforms your scattered knowledge into a compact, immediately usable quick reference.

The task (20 minutes, 3 phases):

Phase 1 — Define your topic and level (3 min)
Choose a topic where you keep having to look things up. Copy this prompt:

'I want to create a one-page quick reference (cheat sheet) on the topic: [YOUR TOPIC, e.g. Excel formulas for office work / smartphone photography / cooking with spices / Git commands / business emails in English / sewing basics]

My level: [beginner / intermediate / expert]

What I already know well:
- [e.g. basic formulas like SUM and AVERAGE]
- [e.g. simple filters and sorting]

What I keep struggling with:
- [e.g. VLOOKUP / nested IF statements]
- [e.g. creating pivot tables]
- [e.g. conditional formatting]

What I need the cheat sheet for: [e.g. daily office work, creating reports]

Do NOT create the reference yet. First summarize what you understood and suggest an outline with 5-7 sections. Ask me if I want to add or remove anything.'

Adjust the outline until it fits your needs.

Phase 2 — Create and refine the cheat sheet (12 min)
Now comes the core. Copy this prompt:

'Now create the complete quick reference based on our agreed outline. Follow these rules:

Format:
- Maximum one A4 page (when printed)
- Use tables, lists, and symbols for maximum clarity
- Each section has a bold heading
- No long explanations — only the essentials
- Where possible: examples instead of descriptions
- Color coding through emojis or symbols (e.g. star for important, exclamation mark for common mistakes)

Content:
- ONLY things I regularly need (no beginner basics I already know)
- For each entry: what it does + concrete example
- At the end: 3 common mistakes and how to avoid them
- Bonus line: the one thing most people at my level do not know'

Review the cheat sheet and ask for adjustments:

'Please change the following in the quick reference:
- [e.g. Add a section on conditional formatting]
- [e.g. Replace the VLOOKUP example with one using product numbers]
- [e.g. Make the formulas larger/shorter]
- [e.g. Add a quick-reference line at the top: the 5 most important keyboard shortcuts]'

Refine until the cheat sheet is perfect.

Phase 3 — Format and save (5 min)
Finally, make the cheat sheet usable:

'Create three versions of my quick reference:

1. Print version: Formatted for A4, with clear sections and enough contrast for printing. Use markdown tables and bold headings.

2. Phone version: The 10 most important points in a compact list that I can save as a note on my phone. No point longer than one line.

3. Flash cards: The 5 things I am worst at, as question-answer pairs. Front: question or task. Back: solution with a short example.'

Why this works: The cheat sheet effect is scientifically proven: simply creating a summary improves your memory, even if you never look at the sheet again. This is called the Generation Effect — information you structure yourself sticks better than information you passively read.

But the best part: you end up with an immediately usable tool. No 20-minute YouTube video, no 50-page manual — just exactly the information YOU need, on ONE page.

Topic ideas if you need inspiration:
- Excel/Google Sheets for daily office work
- Smartphone photography (settings, composition, editing)
- Spice guide for cooking (which spice goes with what?)
- Git commands for developers
- English business phrases for emails and meetings
- Keyboard shortcuts for your most-used program
- Sewing machine basics (stitch types, fabrics, settings)
- Household stain remover guide (which product for which stain?)

Pro tip: Save the cheat sheet where you will actually find it — not in a folder you will forget about. Print it and hang it next to your monitor, save it as a note on your phone, or take a photo of it. A cheat sheet you cannot find is not a cheat sheet.

Your learning outcome: You learned how to use AI as a knowledge designer — not for generating text, but for structuring and condensing knowledge. You can reuse this method for any new topic. And you have a concrete result: a quick reference that saves you time starting now.