From the peeps at Takelessons, there's a quick intro to reading tablature, 5 basic open chord shapes, a practice idea and a list of 20 songs to try out your new chords on..all in one simply laid out page. Impressive!
Read the article here
In some cases, these basic guitar chords can be remembered easily by comparing them to geometric shapes. If you connect the dots inside each grid, you’ll see that the ‘A’ is a straight line, the ‘C’ is a diagonal line, the ‘D’ is an equilateral triangle, and the ‘G’ chord forms an isosceles triangle.
Practice changing between any two chords using this simple drill. Play each chord on beats 1 & 3, lift the fingers completely on beats 2 & 4, and repeat.