These are the best chess links I have found from around the net.
Internet Chess Club
: This is the best place to play chess against another human in real time online.
US Chess Federation
: The main governing body for tournament chess in the United States
Colorado State Chess Association
: Only because I live in Colorado.
La Mecca - Chess Encyclopedia
: Online chess opening encyclopedia.
House of Staunton
: Perhaps THE leader in high quality chess boards and sets.
World Chess Championship Index
: Scores and PGN files for all of the world championships both human & computer.
Green Mountain Reservoir Cabin