IN this database you receive:
Opening Master OTB Chess Database. You must have a chess program to open the database.
Updates frequency: quarterly
Size: 9 million human chess games
Price: 59 EUR
Usage: This chess database is good for all classic chess players from beginners to Grandmasters. It is intended for Chessbase users, Chess Assistant Users, and SCID (or other open-source PGN) chess database programs.
Free trial subscription for first 1 year, then
for every 1 year