Arbiters
Chess Arbiters Association

Braille
Braille Chess Association
BrailleChess.Net
International Braille Chess Association

Chess Game Archive
BRITBASE - British Chess Game Archive
chessgames.com

Chess Links
John Saunder's Links to Chess Websites

Chess Publishing & More
En Passant - Nørresundby Chess Club

Composition & Studies
ARVES Chess Endgamestudy Association
British Chess Problem Society
World Federation for Chess Composition (WFCC)

Correspondence
British Correspondence Chess Association
Chess Mail (Dr Tim Harding)
English Federation for Correspondence Chess
National Correspondence Chess Club

Deaf
English Deaf Chess Association
International Committee of Silent Chess
Scottish Chess and Draughts Assn for the Deaf

International
European Chess Union
World Chess Federation (FIDE)

National Associations
British Universities Chess Association
English Chess Federation
English Primary Schools Chess Association
Friends of Chess

Physically Disabled
International Physically Disabled Chess Association

Senior Chess
Chess Mail - Senior Tournaments Calendar