http://www.youtube.com/watch?v=JVJd4y33v3E
Watch this video about guides and pivots. Previous posts have explained it, but this will show you visually. My chord changes improved drastically after applying this.
Thanks for that. The 'technique' seems to be pretty much what you'd do naturally anyway though!
I don't know about natural, especially for beginners.
A lot of self-taught beginners (myself included) start off wanting to lift all fingers, then re-form the new chord from scratch.
I wrapped a newspaper ’round my head
So I looked like I was deep