This is cool! The major online chess sites should add this as an option. The lines don't need to be so thick I think, which would allow little arrow heads to m

This is cool! The major online chess sites should add this as an option. The lines don't need to be so thick I think, which would allow little arrow heads to make it even more obvious. And while we're at it, they don't even need to look like actual physical pieces, so the knight could be designed to show how it hops over squares by having blank spots in its icon.