The links to the tablebases web interfaces:
- CHESSOK http://chessok.com/?page_id=361
- Knowledge4IT http://www.k4it.de/index.php?topic=egtb&lang=en
- Shredder http://www.shredderchess.com/online-chess/online-databases/endgame-database.html
An explanation of tablebases:
