| Abbreviation | Definition |
|---|---|
| BXN | Bishop Takes Knight ( Chess) |
| BXP | Bishop Takes Pawn ( Chess) |
| BXQ | Bishop Takes Queen ( Chess) |
| BXR | Bishop Takes Rook ( Chess) |
| CAAS | Chess Association for Arkansas Schools |
| CAQ | Chess Association of Queensland |
| CAUP | Chess Arbiters Union of the Philippines |
| CBOI | Chess Boxing Organisation of India |
| CC1 | Chess Challenger 1 |
| CCA | Chess Coaches Association |
| CCC | Clatskanie Chess Club |
| CCCC | Cumberland County Chess Club |
| CCF | Coulsdon Chess Fellowship |
| CCFC | CHESS CLUB of FAIRFIELD COUNTY |
| CCFM | Chess and Checkers Foundation of Michigan |
| CCL | Correspondence Chess League |
| CCLA | Chess Club Los Angeles |
| CCLA | Correspondence Chess League of Australia |
| CCNS | Chessmen Club of the North Shore, Evanston, Illinois |
| CCPF | Catholic Chess Project Foundation |