01- http://www.computerchess.org.uk/ccrl/4040/games.html

02- http://www.husvankempen.de/nunn/downloads.htm

03- http://www.sedatchess.com/download.html

04- http://chessopeningsdatabase.com/

05- http://chessok.com/?page_id=694

06- http://www.pgnmentor.com/files.html

07- http://www.masterchessgames.com/

08- http://www.chessgames.com/

09- http://www.chessgameslinks.lars-balzer.info/

10- http://www.gladiators-chess.ru/downloads.php?cat_id=1

11- http://www.chessgames.com/perl/chessplayer?pid=100439&kpage=55#reply1401

12- http://www.chessopeningspgn.com/chess/Openings.html

13- http://www.chessopolis.com/chessfiles/pgn_openings.htm

14- http://www.frayerchess.com/databases