How chess changed over years
Great cartoon by John Atkinson via http://wronghands1.wordpress.com/ GO HERE --> www.all-about-psychology.com/10-brilliant-cartoons-psychology-students-will-love.html to see some brilliant psych cartoons!
how password-less ssh works
40 facts about chess most players don't know including obscure historical facts
10 tips to winning chess.. for example : Develop quickly and well. Control the center. Keep your king safe. Know when to trade pieces.
This page has a few, good basic rules to develop your chess game.