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You see the same tired old examples in every instructional book, and all over this website. Why not put them all in a PGN file? You can play along with most of the games on this site from this page or another one.
This needs a better index(left), but here they are:
Hover mouse over board squares to see extra controls e.g. b2 = toggle autoplay, b5 = search, a5 = repeat last search, f3 = next game, f8 = shortcuts help