GSDB is a graphical browser for Shogi games. These games originate from professional and amateur tournaments all over the world. (mostly Japan and Europe)
For more information on shogi I can warmly recommend that you catch the next wave and surf to Pieter Stouten's shogi pages.
Most people who start playing Shogi say it's a great game. To become a good shogi-player however, you need to know how professional shogi-players are playing. Well, this database allows you to see how other people have played the game in competition. Also you can review some opening theory.