How do you add chess positions like the one above to your posts?
Go to this website:
http://www.chess-videos.com/chess-diagram-generator.php
STEP #1 - Set up your chess position.
Note that you cannot capture other piece by superimposing your piece on the square, rather manually take the piece you want to capture off the board with your mouse and then place your own piece on that square.
STEP #2 - Click Generate Diagram
STEP #3 - Cut and paste the link in the box entitled "NEW! Now with a link back to the position:"
STEP #4 - Paste that link in your post
STEP #5 Post your post, the chess diagram should appear.