Start with the work you can see — and the work you cannot.
Taking out the trash is easy to put on a chart. Remembering collection day, buying bin liners and noticing that supplies are low are work too. Before assigning names, write a shared list. You do not need to track every minute; you need a picture that everyone recognises.
Make each task specific enough to finish.
“Clean the kitchen” can mean different things to different people. A short description such as “wipe counters, clean sink and put away dishes” makes the expectation easier to discuss. Keep the printed task short and use the notes area for the shared definition.
Rotate jobs, then check the actual workload.
Our chore tool moves each task to the next person every week. It balances the number of assignments, not the effort or the time they take. A bathroom clean and watering a plant do not carry the same workload. Review the result together and change the list where needed.
Leave room for real life.
A late shift, travel or a difficult week can change what is reasonable. Agree how to swap a task before you need to. A five-minute weekly check-in can be more useful than a complicated scoring system. Keep a version that everyone can see, and print a new one when the arrangement changes.