Standard for Vital's excellent games, there are many moving parts, and I find it handy to have them all documented compactly in one place, especially for a refresher, or as an outline to follow when teaching it.
Includes and integrates 1p and 2p rules!
As usual, here is the Google Doc
, in case you catch a mistake, or want to create your own derivative work (credit please!).
Check out my other holistic summaries
1.2 Added main victory condition (silly omission), auction value for undiscovered artist type, small clarification for masterpiece tiles, assistant leave-behind rule (idiotic omission), clarification that you must buy art from a discovered artist, and corrected art dealer card color (better light helps).