My French Go (FFG) rating is 1d; I used to play on KGS where my rating was between 1d and 3d.
I occasionally put things online about Go and toroidal Go here:
http://goplayerjuggler.blogspot.com
Older things about Go:
http://senseis.xmp.net/?malcolm
I’ve written some software related to Go:
https://github.com/goplayerjuggler/goVariants/
Some other stuff is here:
http://malcolm.schonfield.free.fr