First, some context: I haven't played or watched chess at all in about 8 years (quit when I was 12) but before that I was a competitive player. I did all the "

First, some context: I haven't played or watched chess at all in about 8 years (quit when I was 12) but before that I was a competitive player. I did all the "moving past the basics" problems apart from the opening moves, and found all but 1 or 2 trivial. The long-winded descriptions didn't really help at all. Something that might help a ton to grasp the concepts is to provide annotated example boards where the same technique is demonstrated. It feels like a situation that is very accurately described by "a picture is worth a thousand words". I'm very curious how a beginner would approach a simple ending like King+Rook vs King.