Welcome, Mark. I enjoyed your about.com pages and look forward to your posts here.

Let me know if you have any questions on how to post! We're all looking forward to it :)

Here are a few helpful posting links:

http://www.chess.com/article/view/how-to-use-the-chesscom-diagr

http://www.chess.com/posting_help.html

Enjoy!

Welcome!  It's great to see you've set up a third home here.  I'm sure Chess.com will be all the better for having you on board. I look forward to reading all your blogs in future.