Връзки

Българска федерация по шахмат 1928

https://bgchessfederation.org

FIDE arbiters

https://arbiters.fide.com

Chess Results

http://www.chess-results.com/

Swiss-Manager

http://swiss-manager.at/

DGT

http://digitalgametechnology.com/

ChessTimer „Silver“

http://www.eurochessinternational.com/