NCCU - Northern Counties Chess Union
ECF - Official Website of the English Chess Federation
WCU - Official Website of the Welsh Chess Union
FIDE - Official Website of the World Chess Governing Body.
FICS - The Free Internet Chess Server - Play Live Chess and a number of variants with players around the world at various speeds.
ICC - Internet Chess Club - Similar to FICS but with a much larger player base. Requires subscription to join.
Chess.com - Play Correspondence Chess in teams or individually
ECF Gradings - Check your ECF Grade online
WCU Gradings - Check your Welsh Grade online
FIDE Ratings - Check your FIDE Rating online
Wirral League - Official website of the other local chess league.