Idiot's Guide to the Middle East (chart) (updated)

A couple of days ago, Egyptian blogger Big Pharaoh had a fantastic idea to graphically explain the Middle East:

I loved the idea but wasn't happy with the execution. I thought maybe I could make it easier to follow, streamlined and even add more detail. I admire good graphic design and it seemed like it was do-able.

Well, I don't think I succeeded in making it simpler.

Adding a few more vertices and nodes made it even more spectacularly complicated than before.

Maybe we can turn it into a board game.

My original intent was to add Copts, Kurds and (Lebanese) Druze to the chart, but things would have really gotten out of hand.

UPDATE: Some fixes; I put the wrong color for Turkey-Assad and added PA-Israel, some other stuff as people mention it. Continuously updating...

UPDATE 2:  Yoel found a simplified guide, which Nevet translated:

(h/t Gidon)