| FIDE | FIDE - World Chess Federation |
| ECF | English Chess Federation |
| YCA | Yorkshire Chess Association |
| S&DCA | Sheffield and District Chess Association |
| BCPS | British Chess Problem Society |
| EFCC | English Federation for Correspondence Chess |
| Chess.com | Chess.com
Online Chess |
| Chessbase | Chessbase |
| Lichess | Lichess
Free Internet chess server |
| Kids | A Kid's Guide to Playing Chess |